This manual contains maintenance and repair procedures for the
2007 NISSAN QUEST.
In order to assure your safety and the efficient functioning of the vehicle,
this manual should be read thoroughly. It is especially important that the
PRECAUTIONS in the GI section be completely understood before starting
any repair task.
All information in this manual is based on the latest product information
at the time of publication. The right is reserved to make changes in specifications and methods at any time without notice.
IMPORTANT SAFETY NOTICE
The proper performance of service is essential for both the safety of
the technician and the efficient functioning of the vehicle.
The service methods in this Service Manual are described in such a
manner that the service may be performed safely and accurately.
Service varies with the procedures used, the skills of the technician
and the tools and parts available. Accordingly, anyone using service
procedures, tools or parts which are not specifically recommended
by NISSAN must first be completely satisfied that neither personal
safety nor the vehicle’s safety will be jeopardized by the service
method selected.
-2
Page 3
PLEASE HELP MAKE THIS SERVICE MANUAL BETTER!
Your comments are important to NISSAN and will help us to improve our Service Manuals.
Use this form to report any issues or comments you may have regarding our Service Manuals.
Please print this form and type or write your comments below. Mail or fax to:
Nissan North America, Inc.
Technical Service Information
39001 Sunrise Drive, P.O. Box 9200
Farmington Hills, MI USA 48331
FAX: (248) 488-3910
SERVICE MANUAL:Model:Year:
PUBLICATION NO. (Refer to Quick Reference Index):
Please describe any Service Manual issues or problems in detail:
Page number(s)
Note: Please include a copy of each page, marked with your comments.
Are the trouble diagnosis procedures logical and easy to use? (circle your answer)YESNO
If no, what page number(s)?
Please describe the issue or problem in detail:
Is the organization of the manual clear and easy to follow? (circle your answer)YESNO
Please comment:
What information should be included in NISSAN Service Manuals to better support you in servicing or
repairing customer vehicles?
Note: Please include a copy of each page, marked with your comments.
DATE:YOUR NAME:POSITION:
DEALER:DEALER NO.:ADDRESS:
CITY:STATE/PROV./COUNTRY:ZIP/POSTAL CODE:
Page 4
QUICK REFERENCE CHART: QUEST
2007
QUICK REFERENCE CHART: QUESTPFP:00000
Engine Tune-Up DataELS001XP
Cylinder arrangementV-6
Displacement
Bore and stroke95.5 x 81.4 mm (3.760 x 3.205 in)
Valve arrangementDOHC
Firing order1-2-3-4-5-6
Number of piston rings
Number of main bearings4
Compression ratio10.0:1
Compression pressure
Compression2
Oil1
Standard
Minimum
Differential limit
between cylinders
981 kPa (10.0 kg/cm
3,498 cm
1,275 kPa (13.0 kg/cm
98 kPa (1.0 kg/cm
3
(213.45 in3 )
2
, 185 psi) / 300
rpm
2
, 142 psi) / 300 rpm
2
, 14 psi) / 300 rpm
Cylinder number
SEM713A
Valve timing (IVTC - OFF)
PBIC0187E
abcdef
240°238°- 6°64°8°52°
Unit: degree
Page 5
QUICK REFERENCE CHART: QUEST
Drive Belt Deflection and Tension
2007
1. Power steering oil pump2.Idler pulley3.Pow er steer in g oil pump
4. Crankshaft pulley5.Air conditioner compressor6.Gen e ra to r
Deflection adjustment Unit: mm (in)Tension adjustment* Unit: N (kg-f, lb-f)
Used belt
LimitAfter adjustmentLimit After adjustment
Generator and
air conditioner
compressor
Power steering
oil pump
Applied pushing
force
*: If belt tension gauge cannot be installed at check points shown , che ck dr iv e belt tensi on at different locat ion on th e bel t.
7 (0.28)
11 (0.43)
98 N (10 kg-f, 22 lb-f) —
4.2 - 4.6
(0.17 - 0.18)
7.3 - 8.0
(0.29 - 0.30)
New belt
3.7 - 4.1
(0.15 - 0.16)
6.5 - 7.2
(0.26 - 0.28)
294 (30, 66)
196 (20, 44)
Used belt
730 - 818
(74.5 - 83.5,
164 - 184)
495 - 583
(50.5 - 59.5,
111 - 131)
Spark Plugs (Double Platinum Tipped)
MakeNGK
Standard typePLFR5A-11
Hot typePLFR4A-11
Cold typePLFR6A-11
Gap (nominal)1.1 mm (0.043 in)
Angle (left plus right)
degree minute (decimal degree)
Wheel turning angle
full turn*2
*1: Fuel, engine coolant and engine oil full. Spare tire, jack, hand tools and mats in designat ed positions.
*2: On power steering models, wheel tu rning fo rce (at circ umferenc e of steer ing wheel ) of 98 to 147 N (10 t o 15 kg-f, 22 to 33 lb-f) with
engine idle.
Genuine NISSAN Super Heavy Duty Brake Fluid
or equivalent, DOT 3 (US FMVSS No. 116)
Unit: mm (in)
Page 8
QUICK REFERENCE CHART: QUEST
Brake modelAD35VB (Front)AD 14VE (Re ar)
Maximum runout0.04 (0.0016)0.05 (0 .00 20)
Rotor repair limit
Brake Pedal
Minimum thickness26.0 (1.02)14.0 (0.55)
Maximum thickness variation
(measured at 8 positions)
0.015 (0.0006) or less
2007
Unit: mm (in)
WFIA0160E
Free height “H” *156.3 - 166.3 (6.15 - 6.55)
Depressed pedal height “D” [under a force of 490 N (50 kg-f, 110 lb-f) with engine running *more than 90.3 (3.55)
1
Clearance “C
ASCD switch
Pedal play “A”3 - 11 (0.12 - 0.43)
*: Measured from surface of dash reinforce me nt panel to surface of pedal pad
” or “C2 ” between pedal stopper and threaded end of stop lamp sw it ch or
0.74 - 1.96 (0.029 - 0.077)
Refill CapacitiesELS001XT
Description
Fuel
Engine oil
Drain and refill
Dry engine (engine overhaul)
Cooling systemWith reservoir at “MAX” level
Automatic transaxle fluid (ATF)
Power steering fl uid (PSF)
Windshield washer fluid
Air conditioning system refrigerant900 ± 50 g1.98 ± 0.11 lb1.98 ± 0.11 lb
Air conditioning system lubricants
PRECAUTIONSPFP:00001
Precautions fo r Su ppl em ental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER”
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSION ER”, used along
with a front sea t belt, h el ps to red uce the ris k or sever ity of injur y to the driv er and f ron t passe nger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SRS and SB section of this Service Manual.
WARNING:
●To avoid re ndering t he SRS in operat ive , wh ich co uld increas e t he risk o f personal inj ury or de ath
in the event of a collision which w ould result in air bag inflation, all maintena nce must be performed by an authorized NISSAN/INFINITI dealer.
●Improper main tenance, includi ng incorrect removal a nd installation of the S RS, can lead to per-
sonal injury caused by un intenti onal act iva tion of t he syste m. Fo r removal o f Spiral Ca ble and Air
Bag Modu le, see the SRS section.
●Do not use elect rical test equip ment on any circu it related to t he SRS unles s instructed to in this
Service Manual. SR S wiring harnesses can be identified by yellow and /or orange harnesses or
harness connectors.
EBS00QUS
Revision: March 2006
ACC-2
2007 Quest
Page 11
ACCELERATOR CONTROL SYSTE M
ACCEL ERATOR CONTROL SYSTEMPFP:18005
Removal and InstallationEBS00QAJ
Adjustable and Non-adjustable Accelerator Pedal
A
ACC
C
D
E
F
G
LBIA0372E
1.Adjustable pedal electric motor2.Adjustable accelerator pedal3.Accelerator position sensor (adjustable pedal)
4.Accelerator position sensor (non-
adjustable pedal)
5.Non-adjustable accelerator pedal
CAUTION:
●Before removal and installation the accelerator and brak e pedals must be in the front most posi-
tion. This is to align the base position of the accelerator and brake ped als (adjustable type only).
●Do not disassemble the accelerator pedal assembly.
●Do not remove the accelerator pedal position sensor from t he accelerator pedal bracket.
●Do not disassemble the accelerator pedal adjusting mechanism (adjustable type only).
●Avoid damage from dropping the accelerator pedal assembly during handling.
●Keep the accelerator pedal assembly away from water.
ADJUSTABLE PEDAL
Removal
1.Move the accelerator and brake pedals to the frontmost position.
2.Turn the ignition switch OFF and disconnect the negative battery terminal.
3.Remove the heater and cooling unit assembly. Refer to ATC-170, "
UNIT ASSEMBLY" .
FRONT HEATER AND COOLING
H
I
J
K
L
M
Revision: March 20062007 Quest
ACC-3
Page 12
ACCELERATOR CONTROL SYSTEM
4.Disconnect the adjustable brake pedal cable from the adjustable
pedal electric motor.
● Unlock (1) th en pul l (2) the ad justable bra ke pedal cable end
to disconnect it from the adjustable pedal electric motor as
shown.
● When unlocki ng the cable end, do not spread open the lock
tabs more than is necessary to release the cable end.
5.Disconnect the adjustable pedal electric motor electrical connector.
6.Disconnect the accelerator position sensor electrical connector.
7.Remove the upper and lower accelerator pedal nuts.
8.Remove the adjustable accelerator pedal assembly.
CAUTION:
● Do not dis assemble the pedal ass embly. Do no t remove the accelerator p edal position sensor
from the pedal bracket.
● Avoid damage from dropping the accelerator pedal assembly during han dling.
● Keep the accelerator pedal assembly away from w a ter.
9.Disconnect the adjustable accelerator pedal cable from the
adjustable accelerator pedal.
● Unlock (1) then pull (2) the adjustable accelerator pedal cable
end to disconnect i t from the adjustable a ccelerator pedal a s
shown.
● When unlocki ng the cable end, do not spread open the lock
tabs more than is necessary to release the cable end.
NOTE:
The rear view of the ad justable accelerator pedal is sh own for
clarity.
LBIA0374E
LBIA0373E
10. Remove the adjustable pedal electric motor from the adjustable accelerator pedal bracket.
Installation
Installation is in the reverse order of removal .
●Check the acceler ator pedal for smooth operation. There shoul d be no binding or sticking when applying
or releasing the accelerator pedal.
●Check the accelerator pedal adjustable feature for smooth operation. There should be no binding or stick-
ing when adjusting the accelerator pedal forward or backward.
●Check that the cable end is locked securely onto the adjustable pedal electric motor.
CAUTION:
Whenever the harness connector of the accelerator pedal position sensor has been disconnected,
perform the “Accelerator Pedal Released Position Learning”. Refer to EC-80, "
Accelerator Pedal
Released Position Learning" .
NON-ADJUSTABLE PEDAL
Removal
1.Disconnect the accelerator position sensor electrical connector.
2.Remove the upper and lower accelerator pedal nuts.
3.Remove the accelerator pedal assembly.
CAUTION:
● Do not dis assemble the pedal ass embly. Do no t remove the accelerator p edal position sensor
from the pedal bracket.
● Avoid damage from dropping the accelerator pedal assembly during han dling.
● Keep the accelerator pedal assembly away from w a ter.
Installation
Installation is in the reverse order of removal .
Revision: March 2006
ACC-4
2007 Quest
Page 13
ACCELERATOR CONTROL SYSTE M
●Check the a cceler ator p edal for smoo th o per ation. T here s ho uld be no bind in g o r stick ing w hen ap plying
or releasing the accelerator pedal.
CAUTION:
Whenever the harness connector of the accelerator pedal position sensor has been disconnected,
perform the “Accelerator Pedal Released Position Learning”. Refer to EC-80, "
Released Position Learning" .
ADJUSTABLE PEDAL ELECTRIC MOTOR
Removal
1.Move the accelerator and brake pedals to the frontmost position.
2.Turn the ignition switch OFF and disconnect the negative battery terminal.
3.Disconnect the adjustable brake pedal cable from the adjustable
pedal electr ic motor.
● Unlock (1) then pull (2) the adjus table brake p edal ca ble end
to disconnect it from the adjustable pedal electric motor as
shown.
● When u nlocking the cable en d, do not spread op en the lock
tabs more than is necessary to release the cable end.
4.Disconnect the adjustable pedal electric motor electrical connector.
Accelerator Pedal
LBIA0374E
A
ACC
C
D
E
F
G
5.Disconnect the adjustable accelerator pedal cable from the
adjustable accelerator pedal.
● Unlock (1) then pull (2) the adjustable accelerator pedal cable
end to disconne ct it from the adjustable ac celerator pedal as
shown.
● When u nlocking the cable en d, do not spread op en the lock
tabs more than is necessary to release the cable end.
NOTE:
The rear view of the adjustable accelerator pedal is show n for
clarity.
LBIA0373E
6.Remove the adjustable pedal electric motor from the adjustable accelerator pedal bracket.
CAUTION:
● Do not disassemble the adjustable pedal electric motor.
● Avoid damage from dropping the adjustable pedal electric motor during handling.
● Keep the adjustable pedal electric motor away from water.
Installation
Installation is in the reverse order of removal.
●Check the accelerator pedal adjus table feature for smooth operation. There should be no binding or stick-
ing when adjusting the accelerator pedal forward or backward.
●Check that the cable end is locked securely onto the adjustable pedal electric motor.
CAUTION:
Whenever the harness connector of the accelerator pedal position sensor has been disconnected,
perform the “Accelerator Pedal Released Position Learning”. Refer to EC-80, "
Released Position Learning" .
Accelerator Pedal
H
I
J
K
L
M
Revision: March 20062007 Quest
ACC-5
Page 14
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFIC ATIONS (SDS)PFP:00030
Accelerator ControlEBS00QAK
PEDAL TRAVEL
Accelerator control pedal - total travel 73.2 mm (2.88 in)
Revolution Sen so r .... .............................................312
Revision: March 20062007 Quest
AT-4
Page 21
INDEX FO R DTC
INDEX FO R DTCPFP:00024
Alphabetical IndexECS00E61
NOTE:
If DTC U1000 is displayed with other DTCs, first perform the trouble diagnosis for DTC U1000. Refer to
.
AT-84
DTC
Items
(CONSULT-II screen terms)
A/T 1ST GR FNCTNP0731P0731AT-116
A/T 2ND GR FNCTNP0732P0732AT-119
A/T 3RD GR FNCTNP0733P0733AT-124
A/T 4TH GR FNCTNP0734P0734AT-129
A/T 5TH GR FNCTNP0735P0735AT-133
A/T TCC S/V FNCTNP0744 P0744 AT-138
ATF TEMP SEN/CIRCP 0710P0710AT-96
CAN COMM CIRCUITU1000U1 000AT-84
ELEC TH CONTRO L—P1726AT-203
ENG SPD INP PERFOR—P0726AT-114
FLUID TEMP SENP0711P0711AT-101
GEAR LE VER SWITCH—P0825AT-195
PC SOL A(L/PRESS)P074 5P0745AT-141
PC SOL B(SFT/ PRS)P0775P0775AT-176
PC SOL C(TCC&SFT)P0795P0795AT-185
PC SOL C STC ONP079 7P0797AT-190
PNP SW/CIRCP0705P0705AT-91
SHIFTP0780P0780AT-181
SHIFT SOL AP0750P0750AT-146
SHIFT SOL BP0755P0755AT-151
SHIFT SOL CP0760P0760AT-156
SHIFT SOL D P0765P0765AT-166
SHIFT SOL EP0770P0770AT-171
SFT SOL C STUCK ONP0762P0762AT-161
TCM POWER INPT SIGP0882P0882AT-199
TCM PROCESSOR—P0613AT-89
TURBINE SENSORP0717P07 17AT-106
VEH SPD SE/CIR-M TR—P0500AT-87
VHCL SP EED SEN-A/TP0722P0722AT-110
*1: These numbers are prescribed by SAE J2012.
OBD-IIExcept OBD-II
CONSULT-II
*1
GST
CONSULT-II
only “TRANSMIS-
SION”
Reference page
A
B
AT
D
E
F
G
H
I
J
K
L
M
Revision: March 20062007 Quest
AT-5
Page 22
INDEX FOR DTC
DTC No. IndexECS00E62
NOTE:
If DTC U1000 is displayed with other DTCs, first perform the trouble diagnosis for DTC U1000. Refer to
—P0726ENG SP D INP PERF ORAT-114
P0731P0731A/T 1ST GR FNCTNAT-116
P0732P0732A/T 2ND GR FNCTNAT-119
P0733P0733A/T 3RD GR FNCTNAT-124
P0734P0734A/T 4TH GR FNCTNAT-129
P0735P0735A/T 5TH GR FNCTNAT-133
P0744 P0744 A/T TCC S/V FNCTNAT-138
P0745P0745PC SOL A(L/PRESS)AT-141
P0750P0750SHIFT SOL AAT-146
P0755P0755SHIFT SOL BAT-151
P0760P0760SHIFT SOL CAT-156
P0762P0762S FT SOL C STUCK ONAT-161
P0765P0765SHIFT SOL DAT-166
P0770P0770SHIFT SOL EAT-171
P0775P0775PC SOL B(SFT/PRS)AT-176
P0780P0780SHIFTAT-181
P0795P07 95PC SOL C(TCC&SFT)AT-185
P0797P07 97PC SOL C STC ONAT-190
—P0825GEAR LEVER SWITCHAT-195
P0882P0882T CM POWER INPT SI GAT-199
—P1726ELEC TH CONTROLAT-203
U1000U1000CAN COMM CIRCUITAT-84
*1: These numbers are prescribed by SAE J2012.
CONSUL T-II
only “TRANSMIS-
SION”
(CONSULT-II screen terms)
Items
Reference page
Revision: March 20062007 Quest
AT-6
Page 23
PRECAUTIONS
PRECAUTIONSPFP:00001
Precautions f or Supplemental Restraint Syst em (S RS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER”
ECS00E63
A
The Sup plemental Restraint Syste m such as “AIR BAG” and “SEAT BELT PRE-TENSIONER ”, used along
with a fron t seat be lt, hel ps to re duce th e risk or s everity of injur y to th e dr iver and fro nt pass enge r for cer tain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt sw itches to d etermine the fron t air bag dep loyment, and may on ly d eploy one fr ont
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SRS and SB section of this Service Manual.
WARNING:
●To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death
in the eve nt of a collision whic h would result in air bag inflation, all mai ntenance must be performed by an authorized NISSAN/INFINITI dealer.
●Improper maint enance, including i ncorrect removal and installation of the SRS, can lead to per-
sonal injury caus ed by unin te ntional activati on of th e system . For rem oval of Spiral Cab le an d Air
Bag Module, see the SRS section.
●Do not use electrica l test equipmen t on any circuit relat ed to the SRS u nless instruct ed to in this
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or
harness connectors .
Precautions for On Board Diagnostic (OBD) System of A/T and Engin eECS00E64
The ECM ha s an on board diagnostic system . It will light up the malfun ction indica tor lamp (MIL) to warn the
driver of a malfunction causing emission deterioration.
CAUTION:
●Be sure to turn the ignition switch “OFF” and disconnect the negative battery cable before any
repair or inspection work. The open/short circuit of related switches, sen sors, solenoid valves,
etc. will cause the MIL to light up.
●Be sure to connect and lock the connectors securely after work. A loose (unlocked ) connector will
cause the MIL to light up due to an open circuit. (Be sure the con nector is free from water, grease,
dirt, bent terminals, etc.)
●Be sure to route an d sec ure the harnes ses prope rly a fter wo rk. In terfe rence o f the h arness w ith a
bracket, etc. may cause the MIL to light up due to a short circuit.
●Be sure t o c onn ect r ubb er tub es p r oper l y af te r wo rk. A mis co nnec te d o r di sc onn ect ed rubb e r tub e
may cause the MIL to light up due to a malfunction of the EGR system or fuel injection system, etc.
●Be sure to erase the unn ecessary malf unction in formation (repairs com pleted) from the TCM and
ECM before returning the vehicle to the customer.
B
AT
D
E
F
G
H
I
J
K
L
Revision: March 20062007 Quest
AT-7
M
Page 24
PRECAUTIONS
Precautions fo r A/T As sem bly or TCM ReplacementECS00E65
●When replacing A/T assembly or TCM, refer to the pattern table below and initialize TCM if necessary.
TCM INITIALIZATION PATTERNS
TCMA/T assemblyErasing EEPROM in TCMRemarks
Replaced with
new one
Not replaced
Replaced with
old one
NOTE:
“Old one” is the TCM or A/T assembly that has been used on other vehicles.
2.Set th e vehicle following the items listed below.
● Ignition switch “ON”.
● Selector lever “P” or “N” position.
● Engine not running.
● Vehicle speed is 0km/h ( 0 MPH).
● Ignition voltage is more than 10.5V.
● Malfunction was not detecte d.
3.Touch “WORK SUPPORT”.
4.Touch “INITIALIZATION”.
5.Initialize TCM following the direction in display.
Not replaced
Repl aced with
new or old one
Repl aced with
new or old one
Not replaced
Repl aced with
new or old one
Not required
Required
Not required beca use the EEPROM i n TC M is i n the defaul t
state.
Required because data cannot be conformed to previous
data written in the EEPROM in TCM.
Revision: March 20062007 Quest
AT-8
Page 25
PRECAUTIONS
Precautions ECS00E66
NOTE:
Do not remove or di sassemble any R E5F22A model transaxle parts unless specified to do so in AT
section.
●Before connecting or disconnecting the TCM harness con-
nector, turn ignition switch “OFF” and disconnect negative
battery cable. Because battery voltage is applied to TCM
even if ignition switch is turned “OFF” .
A
B
AT
D
●When connecting or disconnecting pin connectors into or
from TCM, take care not to damage pin terminals (bend or
break).
Make sure that there are not any be nds or breaks on T CM
pin terminal, when connecting pin connectors.
●Before replacing TCM, perform TCM input/output signal
inspection and make sure whether TCM f unctions properl y
or not. AT-73, "
TCM INSPECTION TABLE".
SEF289H
SEF291H
E
F
G
H
I
J
K
L
MEF040DA
●After performing each TROUBLE DIAGNOSIS, perform
“DTC (Diagnostic Trouble Code) CONFIRMATION PROCEDURE”.
The DTC should not be displayed in the “DTC CONFIRMATION PROCEDURE” if the repair is com pleted.
SEF217U
●Always use the specified brand of A/T fluid. Refer to MA-9, "Fluids and Lubricants" .
●Use paper rags not cloth rags during work.
●After replacing the A/T fluid, dispose of the waste oil using the methods prescribed by law, ordinance, etc.
Revision: March 20062007 Quest
AT-9
M
Page 26
PRECAUTIONS
●Before procee ding with disassembl y, thoroughly clean the outside of the tra nsaxle. It is important to pre-
vent the internal parts from becoming contaminated by dirt or other foreign matter.
●Disassembly should be done in a clean work area.
●Use lint-free cloth or towels for wiping parts clean. Common shop rags can leave fibers that could interfere
with the operation of the transaxle.
●Place disassembled parts in order for easier and proper assembly.
●All parts should be carefully cleaned with a general purpose, non -flamm able solvent befor e inspection or
reassembly.
●Gaskets, seals and O-rings should be replaced any time the transaxle is disassembled.
●It is very important to perform functional tests whenever they are indicated.
●The valve body contains prec ision parts and requires extreme care when parts are removed and se rviced.
Place disassembled valve body parts in order for easier and proper assembly. Care will also prevent
springs and small parts from becoming scattered or lost.
●Properly installed valves, sleeves, plugs, etc. will slide along bores in valve body under their own weight.
●Before assem bly, apply a coat of recommended ATF to all parts. Apply petroleum jelly to protec t O-rings
and seals, or hold bearings and washers in place during assembly. Do not use grease.
●Extreme car e should be taken to avoid damage to O-rings, seals and gaskets when assembling.
●After overhaul, refill the transaxle with new ATF.
●When the A/T drain pl ug is removed, only s ome of the fluid is drained . Old A/T fluid will remain i n torque
converter and ATF cooling system.
Always follow the procedures under “Changing A/T Fluid” in the A T section when changing A/T fluid. Refer
to AT-14, "
If A/T fluid contains frictional mate rial (clutc hes, ban ds , etc.) , or if an A/T is r epaired, overh auled, or repla ced,
inspect and cl ean the A/ T fluid c o oler m ount ed in th e radi ator or re place the ra diator. Flush coo ler lines using
cleaning solvent and comp ress ed a ir after repair. For A/T fluid cooler clean ing pro cedur e, refer to AT-15, "
Fluid Cooler Cleaning" . For radiator replacement, refer to CO-15, "RADIATOR" .
OBD-II SELF-DIAGNOSIS
●A/T self-diagnosis is performed by the TCM in combination with the ECM. The results can be read through
the blinking pattern of the O/D OFF indicator or the malfunction indicator lamp (MIL). Refer to the table on
AT-75, "
●The self-diagnostic results indicated by the MIL are automatically stored in both the ECM and TCM mem-
ories.
Always perform the procedure on AT-41, "
unnecessary blinking of the MIL.
● For details of OBD-II, refer to AT-40, "ON BOARD DIAGNOSTIC (OBD) SYSTEM" .
●Certain systems and compon ents, especially th ose related to OB D, may u se the new sty le slide-
locking type harness connector. For description and how to disconnect, refer to PG-76, "
NESS CONNECTOR" .
SELF-DIAG RESULT MODE" for the indicator used to display each self-diagnostic result.
HOW TO ERASE DTC" to complete the repair and avoid
A/T
HAR-
Revision: March 20062007 Quest
AT-10
Page 27
PREPARATION
PREPARATIONPFP:00002
Special Service T oolsECS00E69
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
KV31102400
(J-34285 and J-34285-87)
Clutch spring compressor
ST30720000
(J-25405)
Drift
ST30612000
(J-25742-2)
Drift
ST3127S000
(J-25765-A)
Preload gauge
1 GG91030000
(J-25765-A)
Torque wre nc h
2 HT62940000
(—)
Socket ada pter
3 HT62900000
(—)
Socket ada pter
KV40102500
(J-28815)
Drift
Description
Removing and installing return springs
a: 320 mm(12.60 in)
b: 174 mm(6.85 in)
NT423
● Installing oil seal
● Installing thrust roller bearing
a: 77 mm(3.03 in) dia.
b: 55.5 mm(2.185 in) dia.
NT115
Removing outer race and adjust shim
a: 62 mm(2.44 in) dia.
b: 40 mm(1.57 in) dia.
NT073
Checking differential side bearing preload
NT124
a: 60 mm(2.362 in) dia.
b: 45 mm(1.772 in)
SCIA5517E
ST33061000
(J-8107-2)
Drift
● Removing tapered roller bearing
● Installing manual valve oil seal
a: 38 mm(1.496 in) dia.
b: 28.5 mm(1.122 in) dia.
NT073
KV38100500
Installing tapered roller bearing
(—)
Drift
a:80 m m(3.15 in) di a.
b:60 m m(2.362 in) di a.
NT115
Revision: March 20062007 Quest
AT-12
Page 29
PREPARATION
Tool numbe r
(Kent-Moore No.)
Tool name
KV40100621
(J-25273)
Drift
SCIA5518E
ST30022000
(—)
Drift
SCIA5519E
Description
Installing outer race and adjust shim
a: 76 mm(2.992 in) di a.
a: 56 mm(2.205 in) di a.
b: 110 mm(4.331 in) dia.
c: 15 mm(0.591 in)
Commercial Service ToolsECS00E6A
Tool nameDescription
Power toolLoosening bolts and nuts
A
B
AT
D
E
F
G
H
PBIC0190E
PullerRemoving tapered roller bearing
NT077
Pullera: 60 mm(2.36 in) dia .
b: 35 mm(1.38 in) dia.
NT411
I
J
K
L
M
Revision: March 20062007 Quest
AT-13
Page 30
A/T FLUID
A/T FLUIDPFP:KLE40
Changing A/T FluidECS00E6B
1.Run the engine to warm up the transaxle until the fluid is at full operating temperature “HOT”.
Temperature range
COLD: 30° – 40° C (86° – 104° F)
HOT: 70° – 80° C (158° – 176° F)
2.Stop the engine.
3.Remove the engine undercover.
4.Drain the A/T fluid by removing the drain plug. Reinstall the drain
plug to the specified tightness using a new drain washer.
Drain plug: 39 N·m (4.0 kg-m, 29 ft-lb)
LLIA0066E
5.Refill th e tr ansax le wi th new s peci fied A/T fluid t hro ugh the A/T fluid ch arg ing p ipe. A lw ays refi ll the t ran saxle with the same volume amount that was drained out.
Fluid grade and capacity: Refer to MA-9, "RECOMMENDED FLUIDS AND LUBRICANTS" .
CAUTION:
Do not overfill the transaxle.
6.Run the engine at idl e speed for five minutes.
7.Chec k fluid level and condition. R efer to MA-23, "
Checking A/T Fluid" . If the fluid is still contami nated,
repeat step 2 through 5.
Checking A/T Flui dECS00E6C
1.Warm up the engine.
2.Check for any transaxle fluid leaks.
3.Before driving, the fluid le vel can be checked at fluid temper ature using the “COLD” range on the A /T fluid level gauge.
Temperature range
COLD: 30° – 40° C (86° – 104° F)
HOT: 70° – 80° C (158° – 176° F)
a.Park the vehicle on a level surface and set parking brake.
b.Start the engine and move the tr ansaxle selector lever thro ugh
each gear posi tion. Leave the selector lever in the “P” park position.
WLIA0014E
c.Check the fluid level with the engine idling.
CAUTION:
Firmly secure the A/T fluid level gauge into the A/T fluid
charging pipe usin g the attached stopper, this will provide
an accurate reading on the gauge.
d.Remov e the A/T fluid level g auge and wipe it clean w ith a lint-
free paper.
e.Re-ins ert the A/T fluid level gauge into the c harging pipe as far
as it will go.
LLIA0065E
Revision: March 20062007 Quest
AT-14
Page 31
A/T FLU I D
f.Remove the A/T fluid lev el gauge and not e the reading. If t he reading is at or below the low s ide of the
range, add the necessary specified A/T fluid through the A/T fluid charging pipe and then re-insert the A/T
fluid level gauge.
CAUTION:
● Do not overfill the transaxle.
● Firmly se cu re the A /T fluid l evel gau g e into th e A/T f luid c hargin g pipe u sin g the at tached stop -
per, this will provide an accurate reading on the gauge, and will keep the gauge in position while
driving.
4.Drive the vehicle for approximately 5 minutes at moderate speeds.
5.Re-check th e fluid level at fluid temperatures using th e “HOT”
range on the A /T fluid level gauge.
CAUTION:
Firmly secure the A/T fluid level gauge into the A/T fluid
charging pipe using the attached stopper, this will provide
an accurate readin g on the gauge, and will keep the gauge
in position while driving.
Temperature range
COLD: 30° – 40° C (86° – 104° F)
HOT: 70° – 80° C (158° – 176° F)
6.Check the fluid for the following conditions:
● If the fluid is v ery dark or smells burn ed, refer to the AT sec-
tion for checking the oper ation of the transaxle. Flus h the AT
fluid cooling system after repairing the transaxle.
● If the fluid contains frictional material (from the clutches or
bands), remove the radiator and flush the cooler lines using a
cleaning solven t and com pressed air af ter completi ng repairs
to the transaxle. Refer to CO-15, "
RADIATOR" .
WLIA0014E
A
B
AT
D
E
F
G
H
I
SMA853B
A/T Fluid Co oler CleaningECS00E6D
Whenever a n automatic transaxle is repaire d, overhauled, or replaced, the A/T fluid cooler mounte d in the
radiator must be inspected and cleaned.
Metal debris and f riction ma ter ial, if p rese nt, can bec om e trappe d i n the A/T fl uid cool er. This debris c an contaminate the newly serviced A/T or, in severe cases, can block or restrict the flow of A/T fluid. In either case,
malfunction of the newly serviced A/T may result.
Debris, if present, may build up as A/T fluid enters the cooler inlet. It will be necessary to back flush the cooler
through the cooler outlet in order to flush out any built up debris.
A/T FLUID COOLER CLEANING PROCEDURE
1.Position an oil pan under the automatic transaxle's inlet and outlet cooler hoses.
2.Identify the inlet and outlet fluid cooler hoses.
3.Disconnect the fluid cooler inlet and outlet rubber hoses from the
steel cooler tubes or bypass valve.
NOTE:
Replace the cooler hoses if rubber material from the hose
remains on the tube fitting.
4.Allow any A/T fluid that rema ins in the cool er hose s to drain into
the oil pan.
J
K
L
M
SCIA2945E
Revision: March 20062007 Quest
AT-15
Page 32
A/T FLUID
5.Insert the extension adapter hose of a can of Transmission
Cooler Cleaner (Nissan P/N 999 MP- AM006 ) into th e co oler o utlet hose.
CAUTION:
● Wear safety glasses and rubber gloves when spraying
the Transmission Cooler Cleaner.
● Spray cooler cleaner only wit h adequate ventilation.
● Avoid contact with eyes and skin.
● Do not breath vapors or spray mist.
6.Hold th e hose and can as high as possib le and s pray Transmission Cooler Cleaner in a continuous stream into the cooler outlet
hose until fluid flows out of t he cooler inlet hose for 5 seconds.
7.Insert the tip of an air gun into the end of the cooler outlet hose.
8.Wrap a shop rag aro und the air gun tip and of the coo ler outlet
hose.
SCIA2955E
SCIA2962E
2
9.Blow compress ed air regul ated to 5 - 9 kg /cm
(70 - 13 0 psi) throug h the cool er outle t hose for 10 sec-
onds to force out any remaining fluid.
10. Repeat steps 5 through 9 three additional times.
11. Position an oil pan under the banjo bolts that connect the fluid cooler steel lines to the transaxle.
12. Remove the banjo bolts.
13. Flush each steel line from the cooler side back toward the transaxle by spraying Transmission Cooler
Cleaner in a c ontinuous stream for 5 seconds.
2
14. Blow compressed air regulated to 5 - 9 kg/cm
(70 - 130 psi) through each steel line from the cooler side
back toward the transaxle for 10 seconds to force out any remaining fluid.
15. Ensure all debris is removed from the steel cooler lines.
16. Ensure all debris is removed from the banjo bolts and fittings.
17. Perform AT-16, "
A/T FLUID COOLER DIAGNOSIS PROCEDURE" .
A/T FL UID COOLER DIAGNOS IS PROCEDURE
NOTE:
Insufficient cleaning of the cooler inlet hose exterior may lead to inaccurate debris identification.
1.Position an oil pan under the automatic transaxle's inlet and outlet cooler hoses.
2.Clean the exterior and tip of the cooler inlet hose.
3.Insert the extension adapter hose of a can of Transmission
Cooler Cleaner (Nissan P/N 999 MP- AM006 ) into th e co oler o utlet hose.
CAUTION:
● Wear safety glasses and rubber gloves when spraying
the Transmission Cooler Cleaner.
● Spray cooler cleaner only wit h adequate ventilation.
● Avoid contact with eyes and skin.
● Do not breath vapors or spray mist.
4.Hold th e hose and can as high as possib le and s pray Transmission Cooler Cleaner in a continuous stream into the cooler outlet
hose until fluid flows out of t he cooler inlet hose for 5 seconds.
SCIA2955E
Revision: March 20062007 Quest
AT-16
Page 33
A/T FLU I D
5.Tie a common whit e, basket-type coffee filte r to the end of the
cooler inlet hose.
6.Insert the tip of an air gun into the end of the cooler outlet hose.
7.Wrap a shop rag arou nd the air gun tip and en d of cooler outle t
hose.
2
8.Blow com pressed air regulated to 5 - 9 kg/cm
through the c ooler outlet hos e to force any re maining A/T fluid
into the coffee f ilter.
9.Remove the coffee filter from the end of the cooler inlet hose.
10. Perform AT-17, "
A/T FLUID COOLER INSPECTION PROCE-
DURE" .
(70 - 130 psi)
A
B
AT
SCIA2965E
D
E
F
G
SCIA2966E
A/T FLUID COOLER INSPECTION PROCEDURE
1.Inspect the coffee filter for debris.
a.If small metal debris less than 1mm (0.040 in) in size or metal
powder is found in the coffee filter, this is normal. If normal
debris is found, the A/T fluid cooler/radi ator can be re-used an d
the procedure is ended.
b.If one or more pieces of debris are found that are over 1mm
(0.040in) in size and/ or peeled clutch fa cing mater ial is found in
the coffee filte r, the fluid cooler is not s erviceab le. The radiator/
fluid cooler must be replaced and the inspection procedure is
ended.
SCIA2967E
SCIA5257E
H
I
J
K
L
M
A/T FLUID COOLER FINAL INSPECTION
After performing all procedures, ensure that all remaining oil is cleaned from all components.
Revision: March 20062007 Quest
AT-17
Page 34
A/T CONTROL SYSTEM
A/T CONTROL SYSTEMPFP:31036
Cross-Sectional ViewECS00E6E
22. C ounter driven gear23. Output shaft24. Parking gear
25. P arking pawl
H
I
J
SCIA2576E
K
L
M
Revision: March 20062007 Quest
AT-19
Page 36
A/T CONTROL SYSTEM
FUNCTION OF CLUTCH AND BRAKE
Clutch and brake componen t sAbbr.Function
Forward clutch 1F/CConnect input shaft 20 to main rear internal gear 10 .
Direct clutch 2 D/CConnect input shaft 20 to main sun gear 11 .
U/D clutch 3U/D.CConnect U/D sun gear 15 to U/D front planetary carrier 16 .
2nd coast brake 42nd C/BLock main sun gear 11 .
2nd brake 52nd/BLock counterclockwise rotation of main sun gear 11 .
1st and reverse br a ke 61st & R/BLock main front internal gear 13 .
U/D brake 7U/D.B Lock U/D sun gear 15 .
B5 brake 8B5/BLock U/D rear planetary carrier 18 .
One-way clut ch No. 1 9O.C1Lock counterclockwise rotation of main sun gear 11 , when 2nd brake 5 oper-
ations.
One-way clut ch No. 2 10O.C2Lock counterclockwise rotation of main front internal gear 13 .
CLUTCH AND BAND CHART
ClutchBrak eOne-way clutch
Shift position
P
R
N
F/C
1
D/C2 U/D.C
3
2nd C/
B
4
2nd/B
5
1st &
R/B
6
U/D.B 7B5/B8O.C1 9O.C2
10
Remarks
PARK
POSITION
REVERSE
POSITION
NEUTRAL
POSITION
1st
1 ⇔ 2
2nd
2 ⇔ 3
*1
D
L
: Operates
: In transition between applied and released.
*1: A/T will not shift to 5th when lever switch is pushed (indicated A/T indicator “4”).
*2: A/T will not shift to 3th when lever switch is pushed (indicated A/T indicator “2”).
NOTE:
When shifting D to L position or lever switch pushes (indicated A/T indicator “4” at D position or “2” at L position), down shift permission
control is activated. Refer to AT-37, "
3rd
3 ⇔ 4
4th
4 ⇔ 5
5th
1st
1 ⇔ 2
*2
2nd
2 ⇔ 3
3rd
Down Shift Permission Control" .
Automatic shift
1 ⇔ 2 ⇔ 3 ⇔
4 ⇔ 5
Automatic shift
1 ⇔ 2 ⇔ 3
Revision: March 20062007 Quest
AT-20
Page 37
A/T CONTROL SYSTEM
POWER TRANSMISSION
“N” position
Since both the forwa rd cl utch and the direct c lutc h are releas ed, torque fro m the input s haf t drive is not trans mitted to the output shaft.
“P” position
●The same as for the “N” position, both the forwa rd clutch and th e direct clutch are released, so torque
from the input shaft drive is not transmitted to the output shaft.
●The parking pole linked w ith the sel ector lever mesh es with the parking gear and faste ns the output s haft
mechanically.
A
B
AT
D
E
F
G
1.Forward clutch2.Direct clutch3.U/D clutch
4.2nd coast brake5.2nd brake6.1st and reverse brake
7.U/D brake8.B5 brake9.One-way clutch No. 1
10. O ne-way clutch No. 211. Main sun gear12. Main planetary carrier
13. Main front internal gear14. M ain rear internal gear15. U/D sun gear
16. U /D front planetary carrier17. U/D front internal gear18. U/D rear planetary carrier
22. C ounter driven gear23. Output shaft24. Parking gear
25. P arking pawl
H
I
J
K
L
M
SCIA2594E
Revision: March 20062007 Quest
AT-33
Page 50
A/T CONTROL SYSTEM
TCM FunctionECS00E6G
The function of the TCM is to:
●Receive input signals sent from various switches and sensors.
●Determine required line pressure, shifting point, lock-up operation, and engine brake operation.
●Send required output signals to the respective solenoids.
CONTROL SYSTEM OUTLINE
The automatic transaxle senses vehicle operating conditions through various sensors or signals. It always
controls the optimum shift position and reduces shifting and lock-up shocks.
SENSOR S (or SIGNAL)
PNP switch
Throttle angle signal
Throttle position signal
Engine spe ed signal
Engine torque signal
A/T fluid temperature sensor
Revolution sensor
Turbine revolution sensor
V ehi cl e spe ed sig nal
Lever switch signal
Stop lamp switch signal
Þ
Shift control
Line pressure control
Lock-up con tr o l
Engine brake control
Timi ng con t rol
Fail-safe control
Self-diagnosis
CONSULT-II comm unication li ne
CAN communic ation line
On board diagnosis
TCM
Þ
ACTUATORS
Shift solenoid valve A
Shift solenoid valve B
Shift solenoid valve C
Shift solenoid valve D
Shift solenoid valve E
Pressure control solenoid valve A
Pressure control solenoid valve B
Pressure c ontrol sol e noid valve C
O/D OFF indicator lamp
CONTRO L SY ST E M DIA GR AM
WCIA0492E
Revision: March 20062007 Quest
AT-34
Page 51
A/T CONTROL SYSTEM
Input/Output Signal of TCMECS00E6H
Line
Control item
Throttle angle signal
Throttle position signal
Revolution sensorXXXXXXX
Turb ine r ev olution senso rXXXXXX
Vehicle speed signal MTR
Engine speed signals
Engine torque signals
Input
PNP switchXXXXXX
Lever switchXXXXX
Stop lamp switch signal
A/T fluid temperature sensorXXXXXX
ASCD
TCM power suppl y volt a ge sig nalXXXXXXX
Shift solenoid valve A/B/C/D/EX XXX
Pressure control solenoid valve AXXXXXXX
Out-
Pressure control solenoid valve BXXXXX
put
Pressure control solenoid valve CXXXX
Self-diagnostics table
*1: Spare for revolution sensor
*2: Spare for throttle angle signal
*3: If these input and output signals are different, the TCM triggers the fail-safe function.
*4: Used as a condition for starting self-diagnostics; if self-diagnostics are not started, it is judged that there is some kind of error.
*5: CA N communicatio ns .
Operati on si g nal
Overdr ive cancel signal
(*5)
(*5)
(*1) (*5)
(*5)
(*5)
(*5)
(*5)
(*5)
(*5)
pressure
control
XX X XXX X
(*2)
X
XXXXXX
XXXXXX
Vehicle
speed
control
(*2)
X
XXXXX
XXX
XXX
XXX
Shift
control
Lock-up
control
X
Engine
brake
control
(*2)
X
Fail-safe
function
(*3)
Self-diag-
nostics
function
(*4)
X
(*4)
X
(*4)
X
X
A
B
AT
D
E
F
G
H
I
J
K
CAN Commu n i c a tionECS00E6I
SYSTEM DESCRIPTION
CAN (Controll er Area Net work ) is a serial communi cati on line for real time appl icati on. It is an on-ve hicle multiplex communication line with high data communication speed and excellent error detection ability. Many electronic control units are equippe d onto a vehicle, and each control unit share s information and links with other
control units during operation (not independen t). In CAN communicati on, control units are connected wi th 2
communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data onl y.
For details, refer to LAN-49, "
Revision: March 20062007 Quest
CAN System Specification Chart" .
AT-35
L
M
Page 52
A/T CONTROL SYSTEM
Line Pressure ControlECS00E6J
●The pressure control solenoid A controls linear line pressure by control signal from TCM and line pressure
for clutches and brakes to reduce shift shock.
●This pressur e contr ol sol enoid A c on trols the pres sure regu la tor va lve as the si gnal pr essur e and adjus ts
the pressure of the operating oil discharged from the oil pump to the line pressure most appropriate to the
driving state.
SCIA2605E
LINE PRESSURE CONTROL IS BASED ON THE TCM LINE PRESSURE CHARACTERISTIC
PATTERN
In order to obtain t he m os t a ppropr iate li ne pres sure char acter istic to mee t th e cur re nt d riving s tate, the TCM
controls the pressure control solenoid A current valve and thus controls the line pressure.
Shift Contro lECS00E6K
The clutch pres sure control solenoid is contr olled by the signals from the s witches and sensors. Thu s, the
clutch pressur e is adjusted to be appropriate to the engine load state and vehicle driving state. It becomes
possible to finely control the clutch hydraulic pressure with high precision and a smoother shift change characteristic is attained.
SCIA3569E
Basically TCM programmed for economy mode, but TCM changes to several shift schedule automatically
according to specified condition.
Revision: March 20062007 Quest
AT-36
Page 53
A/T CONTROL SYSTEM
SPECIAL SHIFT MODE
Upslope Mode
When TCM detects upslope from load of engine tor que and decrease of acceleration, this mode changes shift
points in high-speed side according to the upslope degree and avoids busy shift of A/T.
Downslope Mode
When TCM detects downslope from increas e of acceleration with accelera tor full close, this mode operate s
moderate engine brake by changing shift points in high-speed side.
Hot Mode Control
This control lowers ATF temperature by changing shift points when the temperature is extremely high.
Down Shift Permission Control
In order to avoid the over speed of the engine, down shift is done only at under a constant vehicle speed.
A
B
AT
D
UP/DOWN SHIFT LEARNING CONTROL
This control learn s the pres sure to each c lutch or br ake in or der to reduce s hifti ng sho ck at each s hifting ( Up,
Down, Coast down).
N-D SHIFT CONTR OL
This control improves the N-D shift quality due to controlling line pressure solenoi d valve according to forward
clutch piston stroke learned in N-D shift learning control and applying best hydraulic pressure to forward clutch
at N-D shift (include L).
N-D SHIFT LEARNING CONTROL
This control learns the forward clutch hydraulic pressure due to monitoring a forward clutch engaging time and
a rotation change rate.
N-R SHIFT CONTR OL
This control improves th e N-R shift qua lity due to c ontrolling shift pr essure s olenoid valv e accordin g to direct
clutch piston str oke learned in N-R shift learning con trol and apply ing best hydra ulic pressure to direct clutch
at N-R shift.
N-R SHIFT LEARNING CONTROL
This control lea rns the direct c lutch hydraul ic pressure du e to monit oring a direct cl utch engaging ti me and a
rotation change rate.
TORQUE REDUCTION CONTROL
This control improves th e shift qu ality due to sending torque red uction requ est sig nal from TC M to ECM and
cutting engine torque i n crease of shift at N-D shift, N-R shift and 1 ⇔ 2 ⇔ 3 ⇔ 4 ⇔ 5.
If accelerator pedal is depressed rapidly, this control establishe s the upper limit value of engine torque and
Þ
avoids engine flare at 2 ⇔ 3, 3 ⇔ 4 and 4
2 of clutch to clutch shift.
E
F
G
H
I
J
K
L
Revision: March 20062007 Quest
AT-37
M
Page 54
A/T CONTROL SYSTEM
Lock-Up Co ntrolECS00E6L
The torque converter clutch piston in the torque converter is engaged to eliminate torque converter slip to
increase po wer transmission efficiency.
The torque converter clutch control valve operation is controlled by the pressure contro l solenoid valve C,
which is c ontrolled by a signal fr om T CM, and the torque converter clutch con trol va lve engages or releas es
the torque converter clutch piston.
TORQUE CONVERTER CLUTCH CONTROL VALVE CONTROL
Lock-up Control System Diagram
OFF
(D)
ON
(4)
OFF
(3)
ON
(2)
SCIA2612E
Lock-up Released
●In the lock-up released state, the torque converter clutch control valve is set into the unlocked state by the
pressure control solenoid valve C and the lock-up apply pressure is drained.
In this way, the torque conve rter clutch piston is not coupled.
Lock-up Applied
●In the lock-up appli ed state, the torque converter clu tch control valve is set into the locked s tate by the
pressure control solenoid valve C and lock-up apply pressure is generated.
In this way, the torque converter clutch piston is pressed and coupled.
Revision: March 20062007 Quest
AT-38
Page 55
A/T CONTROL SYSTEM
SMOOTH LOCK-UP CONTROL
When shifting from the lock-up rel eased state to t he lock -up applied state, the curr ent output to the pres sure
control solenoid v alv e C is control led with the T CM. In this way, when shifting to the lock-up app lied state, the
torque converter clutch is temporarily set to the half-clutched state to reduce the shock.
Half-Clutched State
●The current output from the TCM to the pressure control solenoid valve C is varied to steadily increase the
pressure control solenoid valve C pressure .
In this way, the lock-up apply pressure gradual ly rises and while the torque conver ter clutch piston is put
into half-clutched status, the tor que convert er clutch pis ton operating p ressure i s increased a nd the coupling is completed smoothly.
Slip Lock-up Control
●In the slip region, the pressure control solenoid valve C current is controlled with the TCM to put it into the
half-clutched state. This absorbs the engine torque fluctuation and lock-up operates from low speed.
This raises the fuel efficiency for 4th and 5th gears at both low speed and when the accelerator has a low
degree of opening.
A
B
AT
D
E
F
G
M
H
I
J
K
L
Revision: March 20062007 Quest
AT-39
Page 56
ON BOARD DIAGNOSTIC (OBD) SYSTEM
ON BOARD DIAGNOSTIC (OBD) SYSTEMPFP:00028
IntroductionECS00E6M
The A/T system has two self-diagnostic systems.
The first is the em ission-relat ed on board dia gnostic system ( OBD-II) perfor med by the TCM i n combination
with the ECM. The malfun ctio n is ind icate d by th e MIL (m alfuncti on ind icato r lamp ) a nd is s tored as a DTC i n
the ECM memory but not the TCM memory.
The second is the T CM original self-diagnosi s indicated by the O/D OFF indicator lamp. The malfun ction is
stored in the TCM memory. The detected items are overlapped with OBD-II self-diag nostic items. For detail,
refer to AT-75, "
SELF-DIAG RESULT MODE" .
OBD-II Function for A/T SystemECS00E6N
The ECM provi des emissio n-related on bo ard diagno stic (OBD -II) functions for the A/T s ystem. One f unction
is to receive a signal from the TCM used w ith OBD-related parts of the A /T system. The signal is sent to the
ECM when a malfunction o ccurs in the corr esponding OBD- related part. The ot her function is to indicate a
diagnostic result by means of the MIL (malfunction indicator lamp) o n the instrument panel. Sensors, switches
and solenoid valves are use d as sensing el ements.
The MIL automatically illuminates in One or Two Trip Detection Logic when a malfunction is sensed in relation
to A/T system parts.
One or Two Trip Detection Logic of OBD-I IECS00E6O
ONE TRIP DETECTION LOGIC
If a malfunction is sensed during the first test drive, the MIL will illuminate and the malfunction will be stored i n
the ECM memory as a D TC. The TCM is not provided with such a memory function.
TWO TRIP DETECTION LOGIC
When a ma lfunction is sens ed during the f irst test drive, it is stored in the EC M memory as a 1st trip DT C
(diagnostic trouble code) or 1st trip freeze frame data. At this point, the MI L will not illuminate. — 1st Trip
If the same mal function as th at experienc ed during the first test driv e is sensed du ring the s econd test driv e,
the MIL wil l illuminate. — 2nd Trip
The “trip” in the “One or Two Trip Detection Logic” means a driving mode in which self-diagnosis is performed
during vehicle operation.
OBD-II Diagnostic Trouble Code (DTC)ECS00E6P
HOW TO READ DTC AND 1ST TRIP DTC
DTC and 1st trip DTC can be read by the following methods.
( with CONSULT-II or GST) CONSULT-II or GST (Gener ic S can Tool) Examples: P 0705, P0710 etc.
These DTC are prescribe d by SAE J2012.
(CONSULT-II also displays the malfunc tioning component or system.)
●1st trip DTC No. is the same as DTC No.
●Output of the dia gno stic t roub le c ode indica tes t hat th e in dicat ed c ircui t has a m alfun ction . Ho w -
ever, in case of the Mode II and GST, they do not indicate whether the malfunction is still occurring
or occurred in the past and returned to normal.
CONSULT-II can identify them as shown below, therefore, CONSULT-II (if available) is recommended.
A sample of CO NS ULT-II display for DTC and 1st tr ip DT C is sho wn
on the next page. DT C or 1st tri p DTC o f a malfunctio n is displayed
in SELF-DIAGNOSTIC RESULTS mode for “ENGINE” with CONSULT-II. Time data indicates how many times the vehicle was driven
after the last detection of a DTC.
BCIA0030E
Revision: March 20062007 Quest
AT-40
Page 57
ON BOARD DI AGNOSTIC (OBD) SYSTEM
If the DTC is being detected currently, the time data will be “0”.
If a 1st trip DTC is stored in the ECM, the time data wi ll be “1t”.
A
B
AT
SAT015K
D
E
F
G
SAT016K
Freeze Frame Data and 1st Trip Freeze Frame Data
The ECM has a memory function, which stores the driving condition such as fuel system status, calculated
load value, en gine coolant temperature, sh ort term fuel trim, long term fuel tr im, engine sp eed and vehicle
speed at the moment the ECM detects a malfunction.
Data which are store d in the ECM memory, along with the 1st trip DTC, are called 1st trip fr eeze frame da ta,
and the data, stored together wit h the DTC data, are called freeze fr ame data and disp layed on CON SULT-II
or GST. The 1st trip freeze fram e data can only be dis played on the CO NSU LT-II screen, not on the GST. For
detail, refer to EC-53, "
FREEZE FRAME DATA AND 1ST TRIP FREEZE FRAME DATA" .
Only one set of fre eze fr ame d ata (e ither 1s t trip f reeze fram e data of fr eeze fr am e data) can be store d in the
ECM. 1st trip fr eeze fram e da ta is stor ed in the ECM mem ory al on g with t he 1st tr ip DT C . There is no priori ty
for 1st trip freeze frame data and it is updated each tim e a differen t 1st trip D TC is de tected. However, once
freeze frame data (2nd trip detection /MIL on) is sto red in the ECM me mory, 1st trip freeze fram e data is no
longer store d. Re memb er, only one set of freeze fr am e data can be st ored in the EC M. The E C M has th e following priorities to update the data.
PriorityItems
1Freeze frame dataMisfire — DTC: P0300 - P0306
Fuel Injection System Function — DTC: P0171, P0172, P0174, P0175
2Except the above items (Includes A/T related items)
3 1st trip freeze frame data
Both 1st tr ip fre eze fr ame data a nd freeze frame data ( along wi th the DT C) are c leared w hen the ECM me mory is eras ed.
HOW TO ERASE DTC
The diagnostic trouble code can be er ased by CONSULT-II, GST or ECM DIAGNOSTIC TEST M ODE as
described following.
●If the battery cable is disconnected, the diagnostic trouble code will be lost within 24 hours.
●When you erase the DTC, using CONSULT-II or GST is easier and quicker than switching the mode
selector on the ECM.
The following em ission-related diagnostic i nformation is cleared from th e ECM memory when erasing DT C
related to OB D-II. For details, refer to EC-49, "
●Diagnostic trouble codes (DTC)
●1st trip diagnostic trouble codes (1st trip DTC)
●Freeze frame data
EMISSION-RELATED DIAGNOSTIC INFORMATION ITEMS" .
H
I
J
K
L
M
Revision: March 20062007 Quest
AT-41
Page 58
ON BOARD DIAGNOSTIC (OBD) SYSTEM
●1st trip freeze frame data
●System readiness test (SRT) codes
●Test values
How to erase DTC (with CO NSULT-II)
●If a DTC is displayed for bo th ECM and TCM, it is necessary to be erased for both ECM and TCM.
1.If the ignition s w itch stays “ON” after re pair work , be sure to turn ig nition s witch “O FF ” once. Wait at least
10 seconds and then turn it “ON” (engine stopped) again.
2.Turn CONSULT-II “ON” and touch “TRANSMISSION”.
3.Touch “SELF-DIAG RESULTS”.
4.Touch “ERASE”. (The DTC i n the TCM will be erased.) Then touch “BACK” twice.
5.Touch “ENGINE”.
6.Touch “SELF-DIAG RESULTS”.
7.Touch “ERASE”. (The DTC in the ECM will be erased.)
SCIA5576E
How to erase DTC (with GST)
1.If the ignition s w itch stays “ON” after re pair work , be sure to turn ig nition s witch “O FF ” once. Wait at least
10 seconds and then turn it “ON” (engine stopped) again.
2.Erase DTC with TC M. Refer to AT- 8 3 , "
ERASE SELF-DIAGNOSIS" . (T he engine warm- up step can be
skipped when performing the diagnosis on ly to erase the DTC.)
3.Select M ode 4 with Generic S can Tool (GST). For details, refer to EC-131, "
Generic S can Tool ( GST)
Function" .
How to erase DTC (n o tools)
The O/D OFF indicator lamp is located on the instrument panel.
Revision: March 20062007 Quest
AT-42
Page 59
ON BOARD DI AGNOSTIC (OBD) SYSTEM
1.If the ignition switc h stays “ON ” after r epair wo rk, be sur e to turn i gnition s witch “ OFF ” on c e. Wait at least
10 seconds and then turn it “ON” (engine stopped) again.
2.Erase DTC with TCM. Refer to AT-83, "
ERASE SELF-DIAGNOSIS" . (The en gine warm-up step can be
skipped when performing the diagnosis only to erase the DTC.)
3.Erase DTC with ECM. Refer to EC-63, "
How to Erase DTC" .
Malfunction Indicator Lamp (MIL)ECS00E6Q
DESCRIPTION
The MIL is located on the instrument panel.
1.The MIL will light up when the ignition switch is turned “ON” without the engine running. This is a bulb check.
●If the MIL does not light up, refer to DI-26, "WARNING LAMPS" ,
or see E C-719, "
2.When the engine is started, the MIL should go off.
If the MIL remains on, the on board diagnostic system has
detected an engine system malfunction.
MIL AND DATA LINK CONNECTOR" .
A
B
AT
D
E
SEF217U
F
G
H
I
J
K
L
M
Revision: March 20062007 Quest
AT-43
Page 60
TROUBL E DIAGNOSI S
TROUBL E DIAGNOSI SPFP:00004
DTC Inspection Pr i or it y ChartECS00E6R
If some DTC s are d isplayed at the sa me time , per form i nspec tions on e by one based on the follo wing p rior ity
chart.
NOTE:
If DTC U1000 is displayed with other DTCs, first perform the trouble diagnosis for DTC U1000. Refer to
.
AT-84
Priori tyDetected items (DTC)
1U1000 CAN communication line
2Except abo ve
Fail-SafeECS00E6S
The TCM ha s an e le ctrical fail-safe mode . T his mode mak es i t possib le to o perate e ve n if th ere is a ma lfu nction in a ma in electronic control input/output signal circuit.
In fail-safe mode, a d riv ing condi tion is sele cted acc ordi ng to the ma lfuncti oning loc ation, and li ne pres sure is
set at the maximum. For this reason, the customer will be subjected to uncomfortable “slipping” or “poor acceleration” of the vehicle.
In that case, handle accor ding to the “diagnostics flow” (Refer to AT-48
FAIL-SAFE FUNCTION
If any malfu nction occurs in a sensor or solenoid, this function controls the A/T to make driving possible.
NOTE:
Line pressure is set at the maximum in fail-safe mode. Although gear position differs depending on
the type of fail-safe modes, CONSULT-II indicates “5th”.
ping.
P0795Pressure control solenoid valve CFail-safe mode 1
P0797Pressure control solenoid valve C stuck ONFail-safe mode 1
P0825Lever switchNo lever switch control.
P0882TCM power input sig nalFail-saf e mo de 1
● The accelerator opening angle is controlled by ECM according to a
P1726Electric throttle cont r ol
pre-determined accelerator angle to make driving possible.
● No lock-up, no learning control, no special shift mode control.
*: For fail-safe modes 1 to 10, refer to AT-45, "Fail-safe mode list" .
A
B
AT
D
E
F
G
H
I
J
K
L
M
Fail-safe mode list
Fail-s afe modeSelector lever
Gear
position
*1
ABCDEABC
Shift solenoid valve
D positi o n4thOFFOFFOFFOFFOFFOFFOFFOFF
Fail-safe mode 1
L position2ndOFFOFF ONOFFOFFOFFOFFOFF
R positionReverseOFFOFFOFFOFFONOFFOFFOFF
Fail-safe mode 2
(CONSULT-II displays “8”)
Revision: March 20062007 Quest
D positi o n3rdOFFOFFONONOFFOFFOFFOFF
L position2ndOFFOFFONOFFOFFOFFOFFOFF
R positi o nReverseOFFOFFONOFFONOFFOFFOFF
AT-45
Pressure control sole-
noid valve
Page 62
TROUBL E DIAGNOSI S
Fail-sa fe mo deSelector lever
D position4thOFFOFFOFFOFFOFFOFFOFFOFF
Fail-s afe mode 3
Fail-s afe mode 4
Fail-s afe mode 5
Fail-s afe mode 6
Fail-sa fe mo de 7
Fail-s afe mode 8
(CONSULT-II displays “1”)
Fail-s afe mode 9
(CONSULT-II displays “8”)
Fail-safe mode 10
(CONSULT-II displays “6”)
*1: CONSULT-II indicates “5th”.
*2: Reverse gear ratio difference (Gear ratio: 3.342)
*3: 3rd gear ratio difference (Gear ratio: 2.301)
L positi on2ndOFFOFFONOFFONOFFOF FOFF
R positionReverseOFFOFFO FFOFFONOFFOFFOFF
D position4thOFFOFFOFFOFFOFFOFFOFFOFF
L positi on4thOFFOFFOFFOFFOFFOFFOFFOFF
R positionReverseOFFOFFOFFOFFOFFOFFOFFOFF
D position4thOFFOFFOFFOFFOFFOFFOFFOFF
L positi on4thOFFOFFOFFOFFOFFOFFOFFOFF
R positionReverseOFFOFFO FFOFF ONOFFOFFOFF
D position4thOFFOFFOFFOFF OFFOFFOFFOFF
L position2ndOFFO FFONOFFOFFOFFOFFOFF
R positionReverseOFFOFFONOFFOFFOFFOFFOFF
D position4thONOFFOFFOFFOFFOFFOFFOFF
L position2ndONOFFONOFFOFFOFFOFF OFF
R position
D position5thOFFON OFFOFFOFFOFFOFFOFF
L position
R position ReverseOFFONOFFOFFONOFFOFFOFF
D position4thOFFOFF OFFONOFFOFFOFFOFF
L positi on4thOFFOFFOFFOFFOFFOFFOFFOFF
R positionReverseOFFOFFO FFOFFONOFFOFFOFF
D position4thOFFOFFOFFONOFFOFFOFFOFF
L positi on3rdOFFOFFONONOFFOFFOFFOFF
R position
Gear
position
Reverse
(2nd)
Reverse
Shift solenoid valve
*1
ABCDEABC
*2
ONOFFONONOFFOFFOFFOFF
*3
OFFONONOFFOFFOFFOFFOFF
*2
OFFOFFONONOFFOFFOFFOFF
Pressure control sole-
noid valve
How To Perform Trouble Diagnosis For Quick and Accurate RepairECS00E6T
INTRODUCTION
The TCM receives a signal from the vehicle sp eed signal , ECM (throttle open in g) or PNP switch and provi des
shift control or lock-up control via A/T solenoid valves.
The TCM also communicate s with the ECM by means of a signal
sent from sen sing elem ents used with t he OBD-related parts of the
A/T system for malfu nction-diagnostic purposes . The TCM is capable of diagnosing malfunctioning parts while the ECM can store malfunctions in i ts memory.
Input and output signals must always be correct a nd stable in the
operation of the A/T system. T he A/T system m ust b e in go od oper ating condition an d be fr ee o f valve sei zur e, soleno id valve m alfunc tion, etc.
SAT631IB
Revision: March 20062007 Quest
AT-46
Page 63
TROUBL E DIAGNOSI S
It is much more difficult to diagnose an error that occurs intermittently rather than continuous ly. Most intermittent errors are caus ed
by poor electric conn ections or improper wiring . In this case, c areful
checking of s uspect ed circuits may he lp prev ent the repl acement o f
good parts.
A visual check on ly may not find the c au se of th e er rors. A r oad t est
with CONSULT-II (or GST) or a circuit tester connected should be
performed. Follow the AT-48, "
Before und ertaking actual chec ks, take a few minutes to talk with a
customer who approaches with a driveability complaint. The customer can supply good information about such errors, especially
intermittent ones. Find out what sym ptoms are present and u nder
what condition s they occur. A “Diagnostic Worksheet” as shown on
the example (Refer to AT-49
Start your diagnosis by looking for “conventional” errors first. This will
help troubleshoot driveability errors on an electronically controlled
engine ve hicle.
Also check related Service bulletins.
WORK FLOW" .
) should be used.
A
B
AT
SAT632I
D
E
F
G
SEF234G
M
H
I
J
K
L
Revision: March 20062007 Quest
AT-47
Page 64
TROUBL E DIAGNOSI S
WORK FLOW
A good understanding of the malfunction conditions can make troubleshooting faster and more accurate.
In general, each customer feels differently a bout a malfunc tion. It is imp ortant to fully understand the sy mptoms or conditions for a customer complaint.
Make good use of the two sheets provided, “Information From Cu stomer” (Refer to AT-49
Worksheet” (Refer to AT-49
Customer name MR/MSModel & YearVIN
Tra ns. Mo delEngin eMileage
Incident DateManuf. DateIn Service Date
Frequency❏ Continuous ❏ Intermittent ( times a day)
Symptoms❏ Vehicle does not move. (❏ Any position ❏ Particul ar position)
❏ No up-sh ift (❏ 1st → 2nd ❏ 2nd → 3rd ❏ 3rd → 4th ❏ 4th → 5th)
❏ No down-shift (❏ 5th → 4th ❏ 4th → 3rd ❏ 3rd → 2nd ❏ 2nd → 1st)
❏ Lock-up malfunc ti on
❏ Shift point too high or too low.
❏ Shift shock or slip (❏ N → D ❏ Lock-up ❏ Any drive position)
❏ Noise or vibration
❏ No kick down
❏ No pattern select
❏ Others
()
Malfunction indicator lamp (MIL)❏ Continuously lit❏ N ot lit
A
B
AT
D
E
F
G
H
I
Diagnostic Worksheet Chart
1❏ Read the item on cautions concerning fail-safe and understand the customer's complaint.AT-44
❏ A/T fluid inspection
2
❏ Stall test, time lag test and line pressure test
3
❏ Leak (Repair leak lo cation.)
❏ Sta te
❏ Amount
❏ Stall test
❏ Engine
❏ Torque converter one-way clutch
❏ Line pressure is low
❏ Forward cl utch
❏ Direct clu tch
❏ 1st and reverse brake
❏ Time lag test
❏ Line pressure is low
❏ Forward cl utch
❏ Direct clu tch
❏ 1st and reverse brake
❏ One-way clutch No. 2
❏ Line pressure inspection - Suspected part:
❏ B5 brak e
❏ One-way clutch No. 2
❏ Oil pump
❏ Oil strainer
❏ Oil leak for each range circuit
❏ Oil pump
❏ Oil strainer
❏ Oil leak for “D” position circuit
❏ Oil leak for “R” position circuit
AT-55
AT-55
57
J
K
L
M
, AT-
Revision: March 20062007 Quest
AT-49
Page 66
TROUBL E DIAGNOSI S
❏ Perform all road tests and enter checks in required inspection items.AT-58
Check before engine is started
❏ The O/D OFF indicator lamp does not come on. AT-204 .
❏ Perform self-diagnostics. Enter checks for detected items.
Idle inspection
❏ Engine cannot be started in “P” and “N” position. AT-206 .
4-2.
4-3.
❏ In “ P” position, vehicle moves when pushed. AT-206
❏ In “N” position, vehicle moves. AT-207
❏ Large shock when shifted from “N” to “D” position. AT-208
❏ Vehicle does not creep backward in “R” position. AT-209
❏ Vehicle does not creep forward in “D” or “L” position. AT-210
Driving tests
Part 1
❏ Vehicle cannot be started from D1. AT-211
❏ A/T does not shift: D1 → D2. AT-211
❏ A/T does not shift: D2 → D3. AT-212
❏ A/T does not shift: D3 → D4. AT-213
❏ A/T does not shift: D4 → D5. AT-214
❏ A/T does not perform lock-up. AT-215
❏ A/T does not hold lock-up condition. AT-216 .
❏ Lock-up is not released. AT-217
❏ Lock-up fu nction . AT-138
❏ Shift function. AT-181
❏ Pressure control solenoid valve A. AT-141
❏ Pressure control solenoid valve B. AT-176
❏ Pressure control solenoid valve C. AT-185
❏ Shift solenoid valve A. AT-146
❏ Shift solenoid valve B. AT-151
❏ Shift solenoid valve C. AT-156
❏ Shift solenoid valve D. AT-166
❏ Shift solenoid valve E. AT-171
❏ Pressure control solenoid valve C stuck ON. AT-190
❏ Shift solenoid valve C stuck ON. AT-161
❏ Lever switch circuit. AT-195
❏ TCM power input signal. AT-199
❏ Electric throttle control system. AT-203
❏ CAN com m unication. AT-84
❏ Battery
❏ Other
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
AT-59
AT-59
AT-61
Revision: March 20062007 Quest
AT-50
Page 67
TROUBL E DIAGNOSI S
Part 2
❏ Vehicle cannot be started from D1. AT-211 .
❏ A/T does not shift: D1 → D2. AT-211
❏ A/T does not shift: D2 → D3. AT-212
❏ A/T does not shift: D3 → D4. AT-213
Part 3
❏ A/T does not shift: 5th gear → 4th gear, when lever switch “OFF” → “ON”. AT-218 .
❏ A/T does not shift: 4th gear → 3rd gear, when selector lever “D” → “L”. AT-219
❏ A/T does not shift: 3rd gear → 2nd gear, when lever switch “OFF” → “ON”. AT-221
❏ A/T does not shift: 2nd gear → 1st gear, when release accelerator pedal. AT-222
❏ Vehicle does not decelerate by engine brake. AT-223
❏ Perform self-diagnostics. Enter checks for detected items.
❏ Vehicle speed sensor·MTR. AT-87
❏ TCM p rocessor. AT-89
❏ PNP switch. AT-91
❏ A/T f luid te m perature sensor c ircuit. AT-96
❏ A/T f luid te m perature sensor p erformance. AT-101
❏ Turbine revolution sensor circuit. AT-106
❏ Vehicle speed sensor·A/T (revolution sensor) circuit. AT-110
❏ Engine speed input circuit performance. AT-114
44-3
5
6❏ Perform all road tests and enter the checks again for the required items.AT-58
7
8❏ Erase the results of the self-diagnostics from the TCM.AT-78AT-83
❏ Inspect each system for items found to be NG in the self-diagnostics and repair or replace the malfunction
parts.
❏ For any remai ning NG items, perfor m the “diagno stics pr oced ure ” and repair or repl ace the malf unctio n p arts.
See the chart for diagnostics by symptoms. (This chart also contains other symptoms and inspection procedures.)
❏ 1st gear function. AT-116
❏ 2nd gear function. AT-119
❏ 3rd gear function. AT-124
❏ 4th gear function. AT-129
❏ 5th gear function. AT-133
❏ Lock-up function. AT-138
❏ Shift function. AT-181
❏ Pressure control solenoid valve A. AT-141
❏ Pressure control solenoid valve B. AT-176
❏ Pressure control solenoid valve C. AT-185
❏ Shift solenoid valve A. AT-146
❏ Shift solenoid valve B. AT-151
❏ Shift solenoid valve C. AT-156
❏ Shift solenoid valve D. AT-166
❏ Shift solenoid valve E. AT-171
❏ Pressure control solenoid valve C stuck ON. AT-190
❏ Shift solenoid valve C stuck ON. AT-161
❏ Lever switch circuit. AT-195
❏ TCM power input signal. AT-199
❏ Electric throttle control system. AT-203
❏ CAN communication. AT-84
❏ Battery
❏ Other
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
AT-62
AT-63
AT-65
A
B
AT
D
E
F
G
H
I
J
K
L
M
Revision: March 20062007 Quest
AT-51
Page 68
TROUBL E DIAGNOSI S
A/T Electric al Parts LocationECS00E6U
WCIA0583E
Revision: March 20062007 Quest
AT-52
Page 69
TROUBL E DIAGNOSI S
1.A. TCM (transmission control module
(view with glove box removed)
4.A. Turbine revolution sensor F37
B. Terminal cord assembly F30, F62
C. Park/ neu tral posit ion ( PNP) s wit ch
F29
(view with battery tray removed)
2.A. Shift lock button
B. Overdrive control switch
C. Shift position indicator
5.Revolution sensor F38
(view with intake air duct removed)
3.O/D OFF indicator
6.Accelerator pedal position sensor
harn ess connector E20
A
B
AT
D
E
F
G
H
M
I
J
K
L
Revision: March 20062007 Quest
AT-53
Page 70
TROUBL E DIAGNOSI S
Circuit DiagramECS00E6V
BCWA0594E
Revision: March 20062007 Quest
AT-54
Page 71
TROUBL E DIAGNOSI S
Inspections Befor e Trouble Diagnosi sECS00E6W
A/T FLUID CHECK
Fluid leakage and fluid level check
●Inspect for fluid leakage and check the fluid level. Refer to MA -23, "Checking A/T Fluid" .
Fluid condition check
Inspect the fluid condition.
Fluid statusConceivable CauseRequired Operation
Replace t he A/T flui d and check the
Varnished (viscous
varnish state)
Milky white or
cloudy
Large amount of
metal pow der mixed
in
STALL TEST
Stall test procedure
1.Inspect the amount of engi ne oil. Replenish the engine oil if necessa ry.
2.Drive for about 10 mi nutes to wa rm up the vehicle so that the A/
T fluid temperature is 50 to 80°C (122 to 176°F). Inspect the
amount of A/T fluid. Replenish if necessary.
3.Switch of A/C and light etc. are off.
Clutch, brake
scorched
Water in the fluid
Unusual we ar of
sliding parts within
A/T
A/T main unit and the vehicle for
malfunctions (wire harnesses,
cooler pipes, etc.)
Replace the A/T fluid and check for
places where water is getting in.
Replace the A/T fluid and check for
improper operation of the A/T.
SAT638A
A
B
AT
D
E
F
G
H
4.Securely engage the parking brake so that the tires do not turn.
5.Engine start, apply foot brake, and place selector lever in “D”
position.
6.While holding down the foot brake, gradually press down the
accelerator pedal.
7.Quickly read off the stall spee d, then quickly remove your foot
from the accelerator pedal.
CAUTION:
Do not hold down the accelerator pedal for more than 5 seconds during this test.
8.Move the selector lever to the “N” position.
9.Cool down the A/T fluid.
I
J
SAT647B
K
L
M
SCIA7463E
SAT514G
Revision: March 20062007 Quest
AT-55
Page 72
TROUBL E DIAGNOSI S
CAUTION:
Run the engine at idle for at least one minute.
10. Repeat step 5 through 9 with selector lever in “L” and “R” positions.
Stall speed:2,430 - 2,730 rpm
Judgement stall test
Selector lever position
D, LR
HO
OH
Stall rotation
LL
HH
O: St all spe ed within stand ar d value position
H: Stall speed higher than standard value
L: Stall speed lower than standard value
● Line pressur e is low (pressure control soleno i d valv e A malfunction, primar y regulator
valve malfunction)
● Forward clutch (slipping)
● One-way clutch No. 2
● Line pressur e is low (pressure control soleno i d valv e A malfunction, primar y regulator
valve malfunction)
● Direct clutch (slipping)
● 1st and reverse brake (slipping)
● Engine or torque converter one-way clutch
● Line pressur e is low (pressure control soleno i d valv e A malfunction, primar y regulator
valve malfunction)
● B5 brake (slipping)
● Oil pump
● Oil strainer (clogging)
● Oil leak for each range circuit
Possible cause
TIME LAG TEST
Time lag test procedure
1.Inspect the amount of engine oil. Replenish the engine oil if necessary.
2.Drive for about 10 min utes to war m up the vehi cle so that the A/
T fluid temperature is 50 to 80°C (122 to 176° F). Check the
amount of A/T fluid. Replenish if necessary.
3.Switch of A/C and light etc. are off.
4.Secure ly engage the parking brake so that the tires do not turn.
5.Engine start, apply foot brake.
6.Measu re time lag by using stopwatch from moment whe n shift
lever is shifted in “N” to “D” position and “N” to “R” position until
moment slightly shock can b e felt.
CAUTION:
● Make sure t o take 3 measurement an d take the average
value.
● Make sure to keep interval for more than one minute
between time lag tests.
(That purpose is to remove clutch/brake pressure was
left unfinis hed .)
SAT647B
SCIA7463E
Revision: March 20062007 Quest
AT-56
Page 73
TROUBL E DIAGNOSI S
Time lag:
“N” to “D” position:Less than 0.7 sec.
“N” to “R” position:Less than 1.2 sec.
Judgement time lag test
Result of time lag testPossible cause
● Line pressur e is low (pre ssure co ntr ol sol enoid va lve A malfunc tio n, pri mary reg ula tor
valve malfunction)
Longer than standards “N” to “D” position
Longer than standards “N” to “R” position
● Forward clutch (slipping)
● One-way clutch No. 2
● Oil leak for “D” range circuit
● Line pressure is low
● Direct clutch ( slippi ng)
● 1st and reverse brake (slipping)
● Oil leak for “R” range circuit
● Oil pump
● Oil strainer (clogging)
LINE PRESSURE TEST
Line pressure test port
Location of line pressure test port is show in the figure.
A
B
AT
D
E
F
G
H
SCIA2669E
Line pressure test procedure
1.Inspect the amount of engi ne oil and replenish if necessary.
2.Drive the car for about 10 minute s to warm i t up so tha t the A/T flui d reac hes in ran ge of 5 0 to 80 °C (122
to 176°F), then inspect the amount of A/T fluid and replenish if necessary.
NOTE:
The automat ic fluid temperat ure rises in ran ge of 50 to 80°C (122 to 176°F) during 10 minutes of
driving.
3.Switch of A/C and light etc. are off.
4.After warm ing up A/T, remove the oil pres sure detecti on plug and install th e oil pressure gaug e [SST: (J34301-C)] and adapter [SST: (J-45542)].
CAUTION:
Make sure to check no oil leak after installing o il pressure gage.
5.Securely engage the parking brake so that the tires do not turn.
I
J
K
L
M
SCIA7463E
Revision: March 20062007 Quest
AT-57
Page 74
TROUBL E DIAGNOSI S
6.Start the engine, then measure the line pressure at both idle and
the stall speed.
CAUTION:
● Keep the brake pedal pressed all the way down during
measuremen t.
● When measuring the line pressure at the stall speed,
refer to AT-55, "
7.After the measurements are complete, install the oil pressure
detection plug and tighten to the specified torque.
Higher than standards both “D”, “L” and “R” positions
Lower than standards both “D”, “L” and “R” positions
Lower than standards only “D” position
Lower than standards only “R” position
STALL TEST" .
2
Line pressure kPa (kg/cm
D, L positionsR position
Judgement Possible cause
● Pressure control solenoid valve A malfunction
● Primary regulator valve malfunction
● Pressure control solenoid valve A malfunction
● Primary regulator valve malfunction
● Oil pump malfunction
● B5 bake ma lfunct ion
● Oil leak for each range circuit malfunction
● Oil leak for “D” range circuit malfunction
● Forward clutch malfunction
● Oil leak for “R” range circuit malfunction
● Direct clutch malfunctio n
● 1st and reverse brake malfunction
, psi)
SAT493G
ROAD TEST
Description
●The road test inspects overall performance of the A/T and analyzes possible malfunction causes.
●The road test is perform in the following three stages.
1.Check before engine is started. Refer to AT-59
2.Check at idle. Refer to AT-59
.
3.Cruise test
● Inspect all the items from Part 1 to Part 3. Refer to AT-61 , AT-
62 , AT-63 .
Revision: March 20062007 Quest
.
SAT786A
AT-58
Page 75
TROUBL E DIAGNOSI S
●Before beginning the road test, check the test procedure and
inspection items.
●Test all inspection items until the sympt om is uncovered. Diag-
nose NG items when all road tests are complete.
SAT496G
Check Before Engine is StartedECS00E6X
1. CHECK O/D OFF INDICATOR LAMP
1.Park vehicle on level surface.
2.Move selector lever to “P” position.
3.Turn ignition switch “OFF” and wait at least 10 s econds.
4.Turn ignition switch “ON”. (Do not start engine.)
Does O/D OFF indicator lamp light up for about 2 seconds?
YES>> 1. Turn ignition switch “OF F”.
2. Perform the self-diagnostics and record all NG items on the diagnostics worksheet. Refer to AT-
81, "Diagnostic Procedure" .
3. Go to AT-59, "
No>> Stop the road test and go to AT-204, "
Check at Idle" .
O/D OFF Indicator Lamp Does Not Come On" .
A
B
AT
D
E
F
G
H
Check at Idle ECS00E6Y
1. CHECK STARTING THE ENGINE
1.Park vehicle on level surface.
2.Move selector lever to “P” position.
3.Turn ignition switch “OFF”.
4.Turn ignition switch “START”.
Does the engine start?
YES>> GO TO 2.
No>> Stop the road test and go to AT-206, "
Engine Cannot Be Started In “P” or “N” Position" .
2. CHECK STARTING THE ENGINE
1.Turn ignition switch "ON". (Do not start engine.)
2.Move select or lever in “D”, “L” or “R” position.
3.Turn ignition switch “START”.
Does the engine start in either position?
YES>> Stop the road test and go to AT-206, "Engine Cannot Be Started In “P” or “N” Position" .
No>> GO TO 3.
I
J
K
L
M
Revision: March 20062007 Quest
AT-59
Page 76
TROUBL E DIAGNOSI S
3. CHECK “P” POSITION FUNCTIONS
1.Move selector lever to “P” position.
2.Turn ignition switch “OFF”.
3.Release the parking brake.
4.Push the vehicle forward or backward.
5.Engage the parking bra ke.
When you push the vehicle with disengaging the parking brake, does it move?
YES>> Enter a check mark at “In P position, vehicle moves when pushed” on the diagnostics worksheet,
then contin ue the road tes t.
No>> GO TO 4.
4. CHECK “N” POSITION FUNCTIONS
1.Start the engine.
2.Move selector lever to “N” position.
3.Release the parking brake.
Does vehicle move forward or backward?
YES>> Enter a check mark at “In N position, ve hicle moves” on the diagnostics worksheet, then continue
the road test.
No>> GO TO 5.
5. CHECK SHIFT SHOCK
1.Engage the brake.
2.Move selector lever to “D” position.
When the transaxle is shifted from
YES>> En ter a check mark at “Large shock wh en shifted from N to D positi on” on the d iagnostic s work-
sheet, then continue the road test.
No>> GO TO 6.
“N” to “D”, is there an excessive shock?
6. CHECK “R” POSITION FUNCTIONS
1.Engage the brake.
2.Move selector lever to “R” position.
3.Disengage the brake for 4 to 5 seconds.
Does the vehicle creep back ward?
YES>> GO TO 7.
No>> Enter a c heck m ark at “Vehicle does not c reep bac kward in R pos ition” on th e diag nostics wor k-
sheet, then continue the road test.
7. CHECK “D” AND “L ” POSITIONS FUNCTIONS
Inspect whether the vehicle moves forward when the transaxle is put into the “D” and “L” positions.
Does the vehicle move forward in the
YES>> Go to AT- 61, "Cruise Test - Part 1" , AT -62, "Cruise Test - Part 2" , and AT-63, "Cruise Test - Part
3" .
No>> Enter a check mark at “Vehicle does not creep forward in D or L position” on the diagnostics work-
sheet, then continue the road test.
“D” and “L” positions?
Revision: March 20062007 Quest
AT-60
Page 77
TROUBL E DIAGNOSI S
Cruise Test - Part 1ECS00E6Z
1. CHECK STARTING OUT FROM D1
1.Drive the vehicle for about 10 minutes to warm up the engine oil and A/T fluid.
Appropriate temperature for the A/T fluid: 50 - 80°C (122 - 176°F)
2.Park the vehicle on a level surface.
3.Move selector lever to “P” position.
4.Start the engine.
5.Move selector lever to “D” position.
6.Press the accelerator pedal about half way down to accelerate the vehicle.
With CONSULT-II
Read off the g ear positions.
Starts from D1?
YES>> GO TO 2.
No>> Enter a chec k mark at “Vehicle cannot be started from D1” on the diagnos tics worksheet, then
continue the road test.
2. CHECK SHIFT-UP D1 → D2
A
B
AT
D
E
F
Press down the accelerator pedal about half way and inspect if the vehicle shifts up (D1 → D2) at the appropriate speed.
●Refer to AT-65 .
With CONSULT-II
Read the gear position, throttle degree of opening, and vehicle speed.
Does the A/T shift
YES>> GO TO 3.
No>> Enter a ch ec k mar k at “ A/T does n ot shi ft D 1 → D 2” on t he d iagnos tics work sheet, then conti nue
-up D1 → D2 at the correct speed?
the road test.
3. CHECK SHIFT-UP D2 → D3
Press down the accelerator pedal about half way and inspect if the vehicle shifts up (D2 → D3) at the appropriate speed.
●Refer to AT-65 .
With CONSULT-II
Read the gear position, throttle degree of opening, and vehicle speed.
Does the A/T shift
YES>> GO TO 4.
No>> Enter a ch ec k mar k at “ A/T does n ot shi ft D 2 → D 3” on t he d iagnos tics work sheet, then conti nue
-up D2 → D3 at the correct speed?
the road test.
4. CHECK SHIFT-UP D3 → D4
G
H
I
J
K
L
M
Press down the accelerator pedal about half way and inspect if the vehicle shifts up (D3 → D4) at the appropriate speed.
●Refer to AT-65 .
With CONSULT-II
Read the gear position, throttle degree of opening, and vehicle speed.
Does the A/T shift
YES>> GO TO 5.
NO>> Enter a ch eck mark at “A/T does n ot s hift D 3 → D4” on the d iag nosti cs wor ksh eet, then continue
Revision: March 20062007 Quest
-up D3 → D4 at the correct speed?
the road test.
AT-61
Page 78
TROUBL E DIAGNOSI S
5. CHECK SHIF T-UP D4 → D5
Press down the accelerator pedal about half way and inspect if the vehicle shifts up (D4 → D5) at the appropriate speed.
●Refer to AT-65 .
With CONSULT-II
Read the gear position, throttle degree of opening, and vehicle speed.
Does the A/T shift
YES>> GO TO 6.
NO>> Enter a c heck m ark a t “A/ T d oes no t s hift D4 → D 5” o n th e di agn ostics w orkshe et, th en c on tinue
-up D4 → D5 at the correct sp eed?
the road test.
6. CHECK LOCK-UP
When releasing accelerator pedal from D5, check lock-up from D5 to L/U.
●Refer to AT-65 .
With CONSULT-II
Read the lock-up status.
Does it lock-up?
YES>> GO TO 7.
NO>> Enter a check mark at “A/T does not perform lock-up” on the diagnostics worksheet, then continue
the road test.
7. CHECK LOCK-UP HOLD
Check lock−up hold.
Does it maintain lock-up status?
YES>> GO TO 8.
NO>> Enter a c heck mark at “A/T does not hold lock-u p condition” on the diagnostics w orksheet, then
continue th e road test.
8. CHECK LOCK-UP RELEASE
Check lock-up cancellation by depressing brake pedal lightly to decelerate.
With CONSULT-II
Read the lock-up status.
Does lock-up cancel?
YES>> 1. Stop the vehicle.
2. Go to Cruise test - Part 2 (Refer to AT-62
NO>> Enter a che ck mark at “Lock-up is not released” on the diagno stics wor ksheet, then c ontinue the
road test. Go to Cruise test - Part 2 (Refer to AT-62
).
).
Cruis e Test - Part 2ECS00E70
1. CHECK STARTING FROM D1
1.Move selector lever the “D” position.
2.Accelerate at half throttle.
With CONSULT-II
Read the ge ar position.
Does it start from D1?
YES>> GO TO 2.
NO>> Enter a check mark at “Vehicle cannot be s tarted from D1” o n the diagn ostics worksheet, then
continue th e road test.
Revision: March 20062007 Quest
AT-62
Page 79
TROUBL E DIAGNOSI S
2. CHECK SHIFT-UP D1 → D2
Press the accel erator ped al down all the w ay and i nspe ct wheth er o r not the tr ansax le sh ifts up (D1 → D2) at
the correct speed.
●Refer to AT-65 .
With CONSULT-II
Read the gear position, accelerator angle and vehicle speed.
Does the A/T shift
YES>> GO TO 3.
NO>> Enter a ch eck mark at “A/T does n ot s hift D 1 → D2” on the d iag nosti cs wor ksh eet, then continue
-up D1 → D2 at the correct speed?
the road test.
3. CHECK SHIFT-UP D2 → D3
Press the accel erator ped al down all the w ay and i nspe ct wheth er o r not the tr ansax le sh ifts up (D2 → D3) at
the correct speed.
●Refer to AT-65 .
With CONSULT-II
Read the gear position, accelerator angle and vehicle speed.
Does the A/T shift
YES>> GO TO 4.
NO>> Enter a ch eck mark at “A/T does n ot s hift D 2 → D3” on the d iag nosti cs wor ksh eet, then continue
-up D2 → D3 at the correct speed?
the road test.
A
B
AT
D
E
F
G
H
4. CHECK SHIFT-UP D3 → D4 AND ENGINE BRAKE
When the transaxle changes speed D2 → D3, return the accelerator pedal.
Does the A/T shift
YES>> 1. Stop the vehicle.
NO>> Enter a ch eck mark at “A/T does n ot s hift D 3 → D4” on the d iag nosti cs wor ksh eet, then continue
-up D3 → D4 and apply t he engine brake?
2. Go to Cruise test - Part 3 (Refer to AT-63
the road test.
).
Cruise Test - Part 3ECS00E71
1. CHECK SHIFT DOWN (D5 TO D4)
1.Confirm lever switch is in OFF position. (O/D OFF indicator lamp “OFF”.)
2.Confirm gear selector lev e r is in D position.
3.Accelerate vehicle using half-throttle to D5.
4.Release accelerator pedal.
5.Push lever switch while driving in D5. (O/D OFF indicator lamp “ON” and A/T indicato r “4”.)
With CONSULT-II
Read the gear position, throttle degree of opening, and vehicle speed.
Does A/T shift from D5 to D4?
YES>> GO TO 2.
NO>> Enter a check mark at “Vehicle does not shift: 5th gear → 4th gear, when lever switch OFF → ON”
on diagnostics worksheet, then co ntinue the road test.
I
J
K
L
M
Revision: March 20062007 Quest
AT-63
Page 80
TROUBL E DIAGNOSI S
2. CHECK SHIFT DOWN (D4 TO L3)
1.Driving in D4.
2.Move selector lever from D to L position while D4.
3.Release accelerator pedal.
With CONSULT-II
Read the gear position, throttle degree of opening, and vehicle speed.
Does A/T shift from D4 to L3?
YES>> GO TO 3.
NO>> Enter a check m ark at “Vehicle does no t shift: 4th ge ar → 3 rd gear, when selector l ever D → L
position” on diagnostics worksheet, then continue the road test.
3. CHECK SHIFT DOWN (L3 TO L2)
1.Confirm lever switch is in OFF position. (A/T indicator “3”.)
2.Confirm gear selector lever is in L p o sition.
3.Accelerate vehicle using half-throttle to L3.
4.Release accelerator pedal.
5.Push lever switch while driving in L3. (A/T indicator “2”.)
With CONSULT-II
Read the gear position, throttle degree of opening, and vehicle speed.
Does A/T shift from L3 to L2?
YES>> GO TO 4.
NO>> Enter a check mark at “Vehicle does not shift: 3rd gear → 2nd gear, when lever switch OFF →
ON” on diagnostics worksheet, then continue the road test.
4. CHECK SHIFT DOWN (L2 TO L1)
Release accelerator pedal.
With CONSULT-II
Read the gear position, throttle degree of opening, and vehicle speed.
Does A/T shift from L2 to L1?
YES>> GO TO 5.
NO>> Enter a c heck mark at “Vehicle does not sh ift: 2nd gear → 1st gear, when release a ccelerator
pedal” on diagnostics worksheet, then co ntinue the road test.
5. CHECK ENG IN E BRAK E
Depress and release accelerator pedal whi le driving in L1.
With CONSULT-II
Read the ge ar position.
Does engine braking effectively reduce speed in L1 position?
YES>> 1. Stop the vehicle.
2. Perform the self-diagnostics. Refer to AT-81, "
NO>> Enter a check mark at “Vehicle does not decelerate by engine br ake” on the diagnostics work-
sheet, then continue trouble diagnosis.
Diagnostic Procedure" .
Revision: March 20062007 Quest
AT-64
Page 81
TROUBL E DIAGNOSI S
Shift Sc h eduleECS00E72
VEHICLE SPEED WHEN SHIFTING GEARS
Accelerator angle
100 %
90 %
80 %
70 %
60 %
50 %
40 %
30 %
20 %
10 %
1→D2D2→D3D3→D4D4→D5D5→D4D4→D3D3→D2D2→D1
D
67
(42)
67
(42)
65
(40)
53
(33)
46
(29)
43
(27)
38
(24)
33
(21)
23
(14)
17
(11)
105
(65)
105
(65)
100
(62)
80
(50)
71
(44)
67
(42)
60
(37)
50
(31)
35
(22)
29
(18)
Vehicle speed km/h (MPH) (Approx.)
170
(106)
170
(106)
152
(94)
125
(78)
106
(66)
97
(60)
89
(55)
70
(43)
49
(30)
39
(24)
241
(150)
241
(150)
227
(141)
185
(115)
156
(97)
145
(90)
130
(81)
108
(67)
77
(48)
58
(36)
230
(143)
230
(143)
178
(111)
147
(91)
108
(67)
(61)
(55)
(42)
(30)
(27)
98
89
68
49
44
160
(99)
160
(99)
142
(88)
137
(85)
78
(48)
68
(42)
56
(35)
45
(28)
32
(20)
32
(20)
92
(57)
92
(57)
86
(53)
68
(42)
46
(29)
40
(25)
30
(19)
25
(16)
22
(14)
22
(14)
45
(28)
45
(28)
45
(28)
38
(24)
22
(14)
18
(11)
13
(8)
12
(7)
8
(5)
8
(5)
A
B
AT
D
E
F
G
H
VEHICLE SPEED WHEN PERFORMING AND RELEASING COMPLETE LOCK-UP
Accelerator angle
50 %190 (118)137 (85)
15%101 (63)7 2 (45)
0 - 8 %73 (45)70 (43)
● Lock-up vehicle speed indicates the speed in D position.
● Perform lock-up inspection after warming up engine.
● Lock-up vehicle speed may vary depending on the driving conditions and circumstances.
Lock-up “ON”Lock-up “OFF”
Vehicle speed km/h (MPH) (Approx.)
VEHICLE SPEED WHEN PERFORMING AND RELEASING SLIP LOCK-UP
Accelerator angleGear position
0 - 10 %
● Slip lock-up vehicle speed indicates the speed in D position.
● Perform slip lock-up inspection after warming up engine.
● Slip lock-up vehicle speed may vary depending on the driving conditions and circumstances.
4th 45 (28)42 (26)
5th 58 (36)55 (34)
Slip lock-up “ON”Slip lock-up “OFF”
Vehicle speed km/h (MPH) (Approx.)
Symptom ChartECS00E73
Numbers are arranged in order of inspection.
Perform inspections starting with number one and work up.
CAUTION:
Do not remove or di sassemble any R E5F22A model transaxle parts unless specified to do so in AT
section.
I
J
K
L
M
Revision: March 20062007 Quest
AT-65
Page 82
TROUBL E DIAGNOSI S
SymptomConditionDiagnostic Item
With selector lever in D position, driving is
not possible.
With selector lever in R position, driving is
not possible.
No shock at all or the clutch slips wh en
vehicle changes speed.
Time lag is large. (“N” →“ D” position)
Reference
page
1. Fluid level and stateAT-55
2. Control cable and PNP switch adjustment
ON vehicle
OFF vehic l e
ON vehicle
OFF vehic l e
ON vehicle
OFF vehic le 10. Accumulato rAT-247
ON vehicle
OFF vehic l e
3. TCMAT-72
4. Pressure control solenoid valve AAT-141
5. Control valve assemblyAT-237
6. Torque converterAT-239
7. Forward and direct clutch assemblyAT-247
8. B5 brakeAT-274
9. One-way clutch No.2AT-247
1. Fluid level and stateAT-55
2. Control cable and PNP switch adjustment
3. TCMAT-72
4. Shift solenoid valve AAT-146
5. Shift solenoid valve BAT-151
6. Pressure control solenoid valve AAT-141
7. Control valve assemblyAT-237
8. Torque converterAT-247
9. Forward and direct clutch assemblyAT-247
10. 1st and reverse brakeAT-247
11 . B5 bra keAT-274
1. Fluid level and stateAT-55
2. Control cable and PNP switch adjustment
3. TCMAT-72
4. Shift solenoid valve AAT-146
5. Shift solenoid valve BAT-151
6. Shift solenoid valve EAT-171
7. Pressure control solenoid valve AAT-141
8. Pressure control solenoid valve CAT-185
9. Control valve assemblyAT-237
1. Fluid level and stateAT-55
2. Actual engine torque signalAT-114
3. Turbine revolution sensorAT-106
4. TCMAT-72
5. Control valve assemblyAT-237
6. AccumulatorAT-247
7. Forward and direct clutch assemblyAT-247
AT-236
234
AT-236
234
AT-236
234
, AT-
, AT-
, AT-
Revision: March 20062007 Quest
AT-66
Page 83
TROUBL E DIAGNOSI S
SymptomConditionDiagnostic Item
ON vehicle
Tim e lag i s large. (“N” →“ R” position)
OFF vehi cl e
Engine does not start in “N”, “P” position.ON vehicle
Engine starts in positions other than “N” or
“P”.
Engine stal ls w hen s electo r le ver sh ifte d “N”
→ “D”, “R”.
Engine stall when vehicle slow down.ON vehicle
Acceleratio n is ext remely poor.ON vehicle
Gear does not change from D1 → D2 .
ON vehicle
ON vehicle
ON vehicle
OFF vehi cl e
Reference
page
1. Fluid level and stateAT-55
2. Actual engine torque signalAT-114
3. Turbine revolution sensorAT-106
4. TCMAT-72
5. Shift solenoid valve EAT-171
6. Control valve assemblyAT-237
7. Forward and direct clutch assemblyAT-247
8. 1st and reverse brakeAT-247
1. Ignition switch and starterPG-4
2. Control cable adjustmentAT-236
3. PNP switchAT-91
1. Ignition switch and starterPG-4
2. Control cable adjustmentAT-236
3. PNP switchAT-91
1. Fluid level and stateAT-55
2. TCMAT-72
3. Shift solenoid valve DAT-166
4. Pressure control solenoid valve CAT-185
5. Control valve assemblyAT-237
1. Fluid level and stateAT-55
2. TCMAT-72
3. Shift solenoid valve DAT-166
4. Shift solenoid valve EAT-171
5. Pressure control solenoid valve CAT-185
6. Control valve assemblyAT-237
1. Fluid level and stateAT-55
2. Control cable and PNP switch adjustment
3. Engine speed si gnalAT-114
4. Electric throttle control signalAT-203
1. Fluid level and stateAT-55
2. TCMAT-72
3. Electric throttle control signalAT-203
4. Shift solenoid valve AAT-146
5. Shift solenoid valve BAT-151
6. Shift solenoid valve CAT-156
7. Shift solenoid valve DAT-166
8. Control valve assemblyAT-237
9. 2nd coast brake
10. 2nd brakeAT-266
11. One-way clutch No.1AT-272
12. One-way clutch No.2AT-247
, SC-10
, SC-10
AT-236
234
AT-266
272
A
B
AT
D
E
F
G
H
I
J
K
, AT-
L
M
, AT-
Revision: March 20062007 Quest
AT-67
Page 84
TROUBL E DIAGNOSI S
SymptomConditionDiagnostic Item
Gear does not change from D2 → D3 .
Gear does not change from D3 → D4 .
Gear does not change from D4 → D5 .
In D range, does not downshift to 1st gear.
ON vehicle
OFF vehic l e
ON vehicle
OFF vehic l e
ON vehicle
OFF vehic l e
ON vehicle
OFF vehic l e
Reference
page
1. Fluid level and stateAT-55
2. TCMAT-72
3. Electric thrott le cont rol si gnalAT-203
4. Shift solenoid valve BAT-151
5. Shift solenoid valve CAT-156
6. Shift solenoid valve DAT-166
7. Pressure control solenoid valve AAT-141
8. Control valve assemblyAT-237
9. U/D brakeAT-247
10. B5 brakeAT-274
1. Fluid level and stateAT-55
2. TCMAT-72
3. Electric thrott le cont rol si gnalAT-203
4. Shift solenoid valve BAT-151
5. Shift solenoid valve CAT-156
6. Shift solenoid valve DAT-166
7. Control valve assemblyAT-237
8. U/D clutchAT-247
9. U/D brakeAT-247
1. Fluid level and stateAT-55
2. TCMAT-72
3. Electric thrott le cont rol si gnalAT-203
4. Shift solenoid valve BAT-151
5. Shift solenoid valve CAT-156
6. Control valve assemblyAT-237
7. Forward and direct clutch assemblyAT-247
8. 2nd coast brake
9. One-way clutch No.1AT-272
1. Fluid level and stateAT-55
2. TCMAT-72
3. Electric thrott le cont rol si gnalAT-203
4. Shift solenoid valve AAT-146
5. Shift solenoid valve BAT-151
6. Shift solenoid valve CAT-156
7. Shift solenoid valve DAT-166
8. Control valve assemblyAT-237
9. 2nd coast brake
10. 2nd brakeAT-266
11. One-way clutch No.1AT-272
12. One-way clutch No.2AT-247
AT-266
272
AT-266
272
, AT-
, AT-
Revision: March 20062007 Quest
AT-68
Page 85
TROUBL E DIAGNOSI S
SymptomConditionDiagnostic Item
In D range, does not downshift to 2nd gear.
In D range, does not downshift to 3rd gear.
In D range, does not downshift to 4th gear.
Does not lock-up or lock- up is not released.
Reference
page
1. Fluid level and stateAT-55
2. TCMAT-72
3. Electric throttle control signalAT-203
ON vehicle
OFF vehi cl e
ON vehicle
OFF vehi cl e
ON vehicle
OFF vehi cl e
ON vehicle
OFF vehicle 9. Torque converterAT-239
4. Shift solenoid valve BAT-151
5. Shift solenoid valve CAT-156
6. Shift solenoid valve DAT-166
7. Pressure control solenoid valve AAT-141
8. Control valve assemblyAT-237
9. U/D brakeAT-247
10. B5 brakeAT-274
1. Fluid level and stateAT-55
2. TCMAT-72
3. Electric throttle control signalAT-203
4. Shift solenoid valve BAT-151
5. Shift solenoid valve CAT-156
6. Shift solenoid valve DAT-166
7. Control valve assemblyAT-237
8. U/D clutchAT-247
9. U/D brakeAT-247
1. Fluid level and stateAT-55
2. TCMAT-72
3. Electric throttle control signalAT-203
4. Shift solenoid valve BAT-151
5. Shift solenoid valve CAT-156
6. Control valve assemblyAT-237
7. Forward and direct clutch assemblyAT-247
8. 2nd coast brake
9. One-way clutch No.1AT-272
1. Fluid level and stateAT-55
2. Stop lamp switch signalAT-224
3. ATF temperature sensorAT-96
4. TCMAT-72
5. Shift solenoid valve CAT-156
6. Shift solenoid valve DAT-166
7. Pressure control solenoid valve CAT-185
8. Control valve assemblyAT-237
AT-266
272
A
B
AT
D
E
F
G
H
I
J
K
, AT-
L
M
Revision: March 20062007 Quest
AT-69
Page 86
TROUBL E DIAGNOSI S
SymptomConditionDiagnostic Item
ON vehicle
Engine brake does not work.
OFF vehic l e
Shift point is high or low.ON vehicle
ON vehicle
Large shock. (“N” →“ D” position)
OFF vehic l e
ON vehicle
Large shock. (“N” →“ R” position)
OFF vehic l e
Reference
page
1. Fluid level and stateAT-55
2. TCMAT-72
3. Shift solenoid valve EAT-171
4. Electric thrott le cont rol si gnalAT-203
5. Control valve assemblyAT-237
6. 2nd coast brake
7. U/D brakeAT-247
8. B5 brakeAT-274
1. Pressure control solenoid valve AAT-141
2. Engine speed signalAT-114
3. Electric thrott le cont rol si gnalAT-203
4. Revolution sensorAT-110
5. TCMAT-72
6. Control valve assemblyAT-237
1. Fluid level and stateAT-55
2. Actual engine torque signalAT-114
3. Turbine revolution sensorAT-106
4. ATF temperature sensorAT-96
5. Shift solenoid valve AAT-146
6. Shift solenoid valve BAT-151
7. Pressure control solenoid valve AAT-141
8. TCMAT-72
9. Control valve assemblyAT-237
10. AccumulatorAT-247
11. Forward and direct c lutch assemblyAT-247
1. Fluid level and stateAT-55
2. Actual engine torque signalAT-114
3. Turbine revolution sensorAT-106
4. ATF temperature sensorAT-96
5. Shift solenoid valve EAT-171
6. Pressure control solenoid valve BAT-176
7. TCMAT-72
8. Control valve assemblyAT-237
9. Forward and direct clutch assemblyAT-247
10. 1st and reverse brakeAT-247
AT-266
272
, AT-
Revision: March 20062007 Quest
AT-70
Page 87
TROUBL E DIAGNOSI S
SymptomConditionDiagnostic Item
Shock is too large when shift up.ON vehicle
Shock is too large for coast down.ON vehicle
Reference
page
1. Fluid level and stateAT-55
2. Actual engine torque signalAT-114
3. Turbine revolution sensorAT-106
4. ATF temperature sensorAT-96
5. TC M power input s ignalAT-199
6. Shift solenoid valve AAT-146
7. Shift solenoid valve BAT-151
8. Shift solenoid valve CAT-156
9. Shift solenoid valve DAT-166
10. Shift solenoid valve EAT-171
11. Pressure control solenoid valve AAT-141
12. Pressure control solenoid valve BAT-176
13. Pressure control solenoid valve CAT-185
14. TCMAT-72
15. Control valve assemblyAT-237
1. Fluid level and stateAT-55
2. Actual engine torque signalAT-114
3. Turbine revolution sensorAT-106
4. ATF temperature sensorAT-96
5. TC M power input s ignalAT-199
6. Shift solenoid valve AAT-146
7. Shift solenoid valve BAT-151
8. Shift solenoid valve CAT-156
9. Shift solenoid valve DAT-166
10. Shift solenoid valve EAT-171
11. Pressure control solenoid valve AAT-141
12. Pressure control solenoid valve BAT-176
13. Pressure control solenoid valve CAT-185
14. TCMAT-72
15. Control valve assemblyAT-237
A
B
AT
D
E
F
G
H
I
J
K
L
M
Revision: March 20062007 Quest
AT-71
Page 88
TROUBL E DIAGNOSI S
SymptomConditionDiagnostic Item
Shock is too large for kick down.ON vehicle
ON vehicle
Strange noise in “R”,“N” or“ D” position.
OFF vehic l e
With selector lever in P position, vehicle
does not enter parking condition or, with
selector lever in another position, parking
condition is not cancelled.
Vehicle runs with transaxle in “ P” position.ON vehicle
Vehicle runs with transaxle in “N” position.ON vehicle
ON vehicle
OFF vehicle 4. Parking componentAT-240
Reference
page
1. Fluid level and stateAT-55
2. Actual engine torque signalAT-114
3. Turbine revolution sensorAT-106
4. ATF temperature sensorAT-96
5. TCM power input signalAT-199
6. Shift solenoid valve AAT-146
7. Shift solenoid valve BAT-151
8. Shift solenoid valve CAT-156
9. Shift solenoid valve DAT-166
10. Shift solenoid valve EAT-171
11. Pressure control solenoid valve AAT-141
12. Pressure control solenoid valve BAT-176
13. Pressure control solenoid valve CAT-185
14. TCMAT-72
15. Control valve assemblyAT-237
1. Fluid level and stateAT-55
2. Control valve assemblyAT-237
3. Torque convertorAT-247
4. Parking componentAT-240
5. Gear systemAT-247
1. PNP switchAT-91
2. Control cable adjustmentAT-236
3. Control valve assemblyAT-237
1. Fluid level and stateAT-55
2. PNP switchAT-91
3. Control cable and PNP switch adjustment
4. Line pressure testAT-57
1. Fluid level and stateAT-55
2. PNP switchAT-91
3. Control cable and PNP switch adjustment
4. Line pressure testAT-57
AT-236
234
AT-236
234
, AT-
, AT-
TCM Input/Output Signal Reference ValuesECS00E74
TCM TERMINAL CONNECTOR LAYOUT
WCIA0537E
Revision: March 20062007 Quest
AT-72
Page 89
TROUBL E DIAGNOSI S
TCM INSPECTION TABLE
Data are reference value and are measured between each terminal and ground.
Terminal
Wire
color
ItemConditionData (Approx.)
A
When turning ignition switch ON.0 - 1.5V
1 Y/W A/T PV IGN relay
When turning ignition switch OFF.0V
3LCAN-H––
4PCAN-L––
14BGround– 0V
Lever switch: “ON” position0V
16OLever swit ch
Pressure control
21G/B
22L
23G
solenoid valve B
ground
Revolution sensor
power supply
Turbine revolution
sensor power supply
Lever switch: “OFF” positionBattery voltage
When engine is running with idle speed and setting selector lever to “P” position.
When turning ignition switch ON.Battery voltage
When turning ignition switch OFF.0V
When turning ignition switch ON.Battery voltage
When turning ignition switch OFF.0V
0V
B
AT
D
E
F
G
H
I
J
24BRPNP switch A
25G/R
26W/B
27Y/R
28W
Shift solenoid
valve B
Shift solenoid
valve D
Power supply
(Memory back-up)
Pressure control
solenoid valve C
ground
Selector lever: “P”, “R” and “L” position0V
Other than the aboveBattery voltage
When shift solenoid valve B operates.
(When driving in 1st or 5th gear.)
When shift solenoid val ve B do es not operat e.0V
When shift solenoid valve D operates.
(When driving in 3rd, 4th or 5th gear.)
When shift solenoid val ve D do es not operat e.0V
When turning ignition switch ON.Battery voltage
When turning ignition switch OFF.Battery voltage
When engine is running with idle speed and setting selector lever to “P” position.
Battery voltage
Battery voltage
0V
K
L
M
Revision: March 20062007 Quest
AT-73
Page 90
TROUBL E DIAGNOSI S
Terminal
29B/W Revolution sensorWhen moving at 20 km/h (12 MPH) in 1st gear.119Hz
30R
31G /YPNP switch B
32P/B PN P switch C
33R/VPNP switch PN
34PPower supply
35L/Y
36W/L
37R/B
Wire
color
ItemConditionData (Approx.)
Turbine revolution
sensor
Pressure control
solenoid valve A
Pressure control
solenoid valve B
Shift solenoid
valve C
When moving at 20 km/h (12 MPH) in 1st gear.371Hz
Selector lever: “R”, “N”, “D” and “L” position0V
Other than the aboveBattery voltage
Selector lever: “D” and “L” position0V
Other than the aboveBattery voltage
Selector lever: “P” and “N” positionBattery voltage
Other than the above0V
When turning ignition switch ON.Battery voltage
When turning ignition switch OFF.0V
When engine is running with idle speed and setting selector lever to “P” position.
When engine is running with idle speed and setting selector lever to “P” position.
When shift solenoid valve C operates.
(When driving in 1st, 2nd, 3rd or reverse gear.)
When shift solenoid valve C does not operate.0V
300Hz
300Hz
Battery voltage
38Y/B
39Y/B
40L/G
41R/Y
42LG/B
43V/W PNP switch PA
Power supply
(A/T PV IGN relay)
Power supply
(A/T PV IGN relay)
Pressure control
solenoid valve A
ground
Fluid temperature
sensor
Fluid temperature
sensor gro und
When turning ignition switch ON.Battery voltage
Measure 3 seconds after switching “OFF” the
ignition switch.
When turning ignition switch ON.Battery voltage
Measure 3 seconds after switching “OFF” the
ignition switch.
When engine is running with idle speed and setting selector lever to “P” position.
When ATF temperature 0°C (32°F)4.0V
When ATF temperature 20°C (68°F)3.0V
When ATF temperature 80°C (176°F)0.8V
When ATF temperature 100°C (212°F)0.5V
–0V
Selector lever: “P”, “N” and “L” position0V
Other than the aboveBattery voltage
0V
0V
0V
Revision: March 20062007 Quest
AT-74
Page 91
TROUBL E DIAGNOSI S
Terminal
45O/B
46W/G
47BR/Y
48BGround–0V
Wire
color
ItemConditionData (Approx.)
Pressure control
solenoid valve C
Shift solenoid
valve A
Shift solenoid
valve E
When engine is running with idle speed and setting selector lever to “P” position.
When shift solenoid valve A operates.
(When driving in 1st gear.)
When shift solenoid val ve A do es not operat e.0V
When shift solenoid valve E operates.
(When driving in reverse gear.)
When shift solenoid val ve E do es not operat e.0V
300Hz
Battery voltage
Battery voltage
CONSULT-II Func tio n (TRANSM ISSION)ECS00E75
CONSULT-II can display each diagnostic item using the diagnostic test modes shown following.
A/T diagno st ic modeDescrip t ion
Supports inspections and adjustments. Commands are transmitted to the TCM for setting the status
2.Touch “SELF-DIAG RESULTS”.
Display shows malfunction experienced since the last erasing
operation.
NOTE:
● The details for “TIME ” are as follow:
– “CRNT”: Error currently detected with TCM.
– “PAST”: Error detected in the past and memorized with
TCM.
● Touch “F.F.DATA” on “SELF-DIAG RESULTS” screen to
display freeze fram e data. Freeze frame data shows driving condition when malfunction is detected.
For freeze frame data items, refer to AT-79, "
Display item list
Items (CONSULT -II
screen terms)
CAN COMM CIRCUIT
VEH SPD SE/CIRMTR
TCM PROCESSOR
PNP SW/ C IRC
ATF TEMP SEN/
CIRC
FLUID TEMP SEN
TURBIN E SENSOR
VHCL SP EED
SEN-A/T
ENG SPD INP
PERFOR
A/T 1ST GR
FNCTN
A/T 2ND GR
FNCTN
A/T 3RD GR
FNCTN
A/T 4TH GR
FNCTN
A/T 5TH GR
FNCTN
A/T TCC S/V
FNCTN
Malfunction is detected when...
● When TCM is not transmitting or receiving CAN communi-
cation signal for 2 seconds or more.
● ECM detec ts a malf u nction in vehi cle speed sensor s ignal,
after that TCM inputs the result by CAN communication.
● TCM processor is mal functioning.—P0613—
● PNP switch signals input with impossible patternXP0705 P0705
● Normal voltage is not applied to ATF temperature sensor
due to open, short, and so on.
● During runni ng, the A TF tempe rat ure sen so r signa l vo lt age
is excessively hi gh or low.
● ATF temp eratur e signal does not change.—P0711
● Signal from turbi ne revo luti on se nsor do es not input due to
open, short, and so on.
● Unexpected signal input during running .
● Signal from revolution sensor does not input due to open,
short, and so on.
● Unexpected signal input during running .
● Malfunction is detected in engine speed signal, actual
engine torque signal or torque reduction signal that is output from ECM thro ugh CAN comm unicat ion.
● A/T cannot be shifted to the 1st gear position even if elec-
trical circuit is good.
● A/T cannot be shifted to the 2nd gear position even if elec-
trical circuit is good.
● A/T cannot be shifted to the 3rd gear position even if elec-
trical circuit is good.
● A/T cannot be shifted to the 4th gear position even if elec-
trical circuit is good.
● A/T cannot be shifted to the 5th gear position even if elec-
trical circuit is good.
● A/T cannot perform lock-up even if electrical circuit is
good.
Display item list" .
X: Applicable —: Not applicable
TCM self-diagnosi sOBD-II (DTC )
MIL indicator
O/D OFF
indicator
lamp
*3
“TRANSMIS-
SION” with
CONSULT-II
lamp
“ENGINE” with
CONSULT-II or
GST
X
U1000
*4
U1000
XP0500P0500
XP0710P0710
P0711
XP0717P0717
XP0722P0722
XP0726P0726
XP0731
XP0732
X P0733
XP0734
XP0735
P0731
P0732
P0733
P0734
P0735
XP0744 P0744*2
SCIA2741E
*1
,
*4
*2
*2
*2
*2
*2
*2
Revision: March 20062007 Quest
AT-76
Page 93
TROUBL E DIAGNOSI S
TCM self-diagnosisOBD-II (DTC)
MIL indicator
Items (CONSULT -II
screen terms)
Malfunction is de tected when...
O/D OFF
indicator
*3
lamp
“TRANSMIS-
SION” wit h
CONSULT-II
lamp
“ENGINE” with
CONSUL T -II or
GST
PC SOL A(L/
PRESS)
SHIFT SOL AXP0750P0750
SHIFT SOL BXP0755P0755
● Normal voltage is not applied to solenoid due to open,
short, and so on.
● T CM det ects as i rregular by c omparing target val ue with
monitor value.
XP0745P0745
SHIFT SOL CXP0760P0760
SFT SOL C STUCK
ON
SHIFT SOL D
SHIFT SOL EXP0770P0770
PC SOL B(SFT/
PRS)
● Condition of shift solenoid valve C is different from monitor
value, and relation between gear position and actual gear
ratio is irregular.
● Normal voltage is not applied to solenoid due to open,
short, and so on.
● T CM det ects as i rregular by c omparing target val ue with
monitor value.
● No rotation change occurs between input (turbine revolu-
XP0762
P0762
XP0765P0765
XP0775P0775
tion sensor) and output (revolution sensor) and shifting
SHIFT
PC SOL
C(TCC&SFT)
time is long.
● Shifting ends immediately.
● Condition in malfunction engine revs up usually shifting.
● Normal voltage is not applied to solenoid due to open,
short, and so on.
● T CM det ects as i rregular by c omparing target val ue with
XP0780
P0780
XP0795P0795
monitor value.
● Condition of pressure control solenoid valve C is different
PC SOL C STC ON
from monitor value, and relation between gear position
XP0797
P0797
and actual gear ratio or lock-up status is irregular.
GEAR LE VER
SWITCH
TCM POWER INPT
SIG
ELEC TH CONTROL
● Lever switch signal is inco rr e ctl y input due to open, sho rt ,
and so on.
● Voltage supplied to TCM is too low.—P0882P0882
● The electric throttle control system for ECM is in a mal-
function, after that TCM inputs the result by CAN commni-
—P0825—
XP1726P1726
cation.
NO DTC IS
DETECTED.
FURTHER TEST-
● N o NG item has b een de tected.—XX
ING MAY BE
REQUIRED.
*1: Refer to AT-43, "Malfunction Indicator Lamp (MIL)" .
*2: These malfunctions cannot be displayed MIL if another malfunction is assigned to MIL.
*3: Indicate it when performing TCM SELF-DIAGNOSTIC PROCEDURE (NO TOOLS). Refer to AT-82, "
TCM SELF-DIAGNOSTIC
PROCEDURE (NO TOOLS)" .
*4: If DTC U1000 is displayed with other DTCs, first perform the trouble diagnosis for DTC U1000. Refer to AT-84
.
A
*1
,
B
AT
D
*2
E
F
G
*2
H
I
*2
J
K
L
M
Revision: March 20062007 Quest
AT-77
Page 94
TROUBL E DIAGNOSI S
HOW TO ERASE SELF-DIAGNOSTIC RESULTS
1.Perform GI-37, "CONSULT-II Start Procedure" .
2.Touch "SELF-DIAG RESULTS"
3.Touch "ERASE". (The self-diagnostic results will be erased.)
BCIA0031E
PCIA0061E
CAN DIAGNOSTIC SUPPORT MONITOR
Operation procedure
2.Touch “CAN DIAG SUPPORT MNTR”. Refer to LAN-44, "
CAN
Diagnostic Support Monitor" .
BCIA0031E
DATA MONITOR MODE
NOTICE:
1.The CONSULT - II electrically displays shift timing and lock-up timing (that is, operation timing of each solenoid).
Check for time difference between actual shift timing and the CONSULT-II display. If the difference is
noticeable, mecha nica l parts (exce pt solenoi ds, s en sors, etc.) may be malfun ct ioning. C hec k mechan ical
parts using applicable diagnostic procedures.
2.Shift sch edule ( which i mplie s gear position ) display ed on C ONSU LT-II and that indica ted in Servi ce Man ual may differ slightly. This occurs because of the following reason s:
–Actual shift schedule has more or less tolerance or allowance,
–Shift schedule indicated in Service Manual refers to the point where shifts start, and
–Gear position displayed on CONSULT-II indicates the point where shifts are completed.
3.Displ ay of solenoid valves on CONSULT-II changes at the start of shifting, while gear position is displayed
upon complet ion of shifting (which is computed by TCM).
NOTE:
When malfunction is detected, CONSULT-II performs REAL-TIME DIAGNOSIS.
Also, any malfunction detected while in this mode will be displayed at real time.
Displa y it em list
X: Standard —: Not applicable
Monitor item selection
Monitor ed i tem (Uni t )
VHCL/S SE-A/T (km/h)XXXVehicle speed recognized by the TCM.
VHCL/S SE-MTR* (km/h)X—X
FLUID TEMP SE* (V)X—X
FLUID TEMP* (°C)——X
COOLAN TEMP* (°C)——X
BATTERY VOLT* (V)X—X
ENGINE SPEED* (rpm)XXX
TURBINE REV* (rpm)X—X
OUTPUT REV* (rpm)——X
PNP SW A* (ON/O FF)X—X
PNP SW B* (ON/O FF)X—X
PNP SW C* (ON/OFF)X—X
PNP SW PA* (ON /OFF)X—X
PNP SW PN (ON/O FF)X—X
MANU MOD E SW* (ON/OFF)X—X
NON M-M ODE SW* (ON/OFF)X—X
UP SW* (ON/OFF)X—X
DOWN SW* (ON/OFF)X—X
RANGE SLCT SW (ON/OFF)X—XThis means lever switch.
BRAKE SW* (ON / OF F)X— X
CLSO THL POS (ON/OFF)X—X
ASCD SIGNAL (ON/OFF)X —X
ASCD OD OFF (ON/OFF)X —X
ABS SIGNAL (ON/OFF)X—X
TCS SIGNAL (ON/ OFF)X—X
TCS GEAR HOLD (ON/OFF)X—X
TCS SFT CNG (ON/OFF)——X
LOCK-UP* (ON/OFF)——X
SLCT LVR POSI*——X
MANU GR POSI——XAlways displays “##”.
ECU INPUT
SIGNALS
MAIN SIG-
NALS
SELEC-
TION FROM
MENU
Remarks
Displays status of engine coolant temperature.
Signal input with CAN communication
line.
Signal input with CAN communication
line.
Tu rbine r evolu tion comput ed fro m signa l
of turbine revolution sensor is displayed.
Output revolution computed from signal
of revolution sensor is displayed.
Not mounted but displayed.
This means stop lamp switch signal via
CAN communication line.
Signal input with CAN communication
line.
Requests TCM for shift schedule
change.
Always “ON” during lock-up, regardless
of types.
Displays “##” when TCM can not judge
selector lever position.
A
B
AT
D
E
F
G
H
I
J
K
L
M
Revision: March 20062007 Quest
AT-79
Page 96
TROUBL E DIAGNOSI S
Monitor item selec tion
Monitored item (Unit)
GEAR*——X
NEXT GR POSI——X
REDCT D EM SIG (ON/OFF)— —X
TC SLIP RATIO——X
SLIP REV (rpm)——X
ACCELE ANGLE* (%)XXX
PC SOL A OUT* (A)——X
PC SOL A MON* (A)—XX
PC SOL B OUT* (A)——X
PC SOL B MON* (A)—X X
PC SOL C OUT* (A )——X
PC SOL C MON* (A)—XX
SFT SOL A OUT* (ON/OFF)——X
SFT SOL B OUT* (ON/OFF)——X
SFT SOL C OUT* (ON/OFF)— —X
SFT SOL D OUT* (ON/OFF)——X
SFT SOL E OUT* (ON/OFF)——X
SFT SOL A MON* (ON/ OFF)—XX
SFT SOL B MON* (ON/ OFF)—XX
SFT SOL C MON* (ON/OFF)—XX
SFT SOL D MON* (ON/OFF)—XX
SFT SOL E MON* (ON/ OFF)—XX
G-RATE (G)——X
F-SAFE MODE (OK/1 to 10)—XX
VDC SIGNAL (ON/OFF)X—X
SHIFT SC HDULE——X
ECU INPUT
SIGNALS
MAIN SIG-
NALS
SELEC-
TION FR OM
MENU
Remarks
Indicat es cur rent gear positi o n.
When settin g i n P or N po si t i on, indicate
by shift solenoid valves.
When setting in R position, displays “1”.
Displays “##” when TCM can not judge
gear position.
Displays “##” when TCM can not judge
gear position.
Displays status of engine torque reduction demand signal.
Difference between engine speed and
torque converter input shaft speed.
Degree of ope ni n g f o r accelera tor r ecognized by the TCM.
For fail -safe ope rati on, t he sp ecif ic val ue
used for control is displayed.
Numbers indicate types of fail-safe
modes. Refer to A T-45, "
list" .
Signal input with CAN communication
line.
The deta i ls for data of shift schedule are
as follow:
NOR: Nor ma l mode
UP1: Upslope 1 mode
UP2: Upslope 2 mode (steeper then
“UP1”)
DOWN: Downslope mode
HOT1: Hot 1 mode
HOT2: Hot 2 mode (higher temperature
than “HOT1”)
*: Also, th e it em s a ppe ar on CO NS ULT-II screen in freeze fram e da ta mode of sel f-diagno stic results only if D TC is detecte d. Fo r de ta ils,
refer to AT-75, "
SELF-DIAG RESULT MODE" .
ECU INPUT
SIGNALS
MAIN SIG-
NALS
SELEC-
TION FROM
MENU
Remarks
Displays the value measured by the voltage pr obe.
The value mea sured by the pulse probe
is displayed.
ACTIVE TEST MODE
Test item
Test itemConditionDescription
SHIFT SOLENOID A
SHIFT SOLENOID B
SHIFT SOLENOID C
SHIFT SOLENOID D
SHIFT SOLENOID E
PRESSURE CONTROL SOL A
PRESSURE CONTROL SOL B
PRESSURE CONTROL SOL C
*: Except when P0711, P0731, P0732, P0733, P0734, P0735, P0744, P0762, P0780 or P0797 is detected.
NOTE:
Approximately 10 seconds after the operation is begun, “TEST IS STOPPED” will be displayed.
Under the fol l owing conditions.
● Ignition switch “ON”
● Selector lever “P” or “N” position
● Engine not running
● Vehicle speed is 0 km/h (0 MPH).
● Ignition voltage is more than 10.5V.
● Malfuncti on was not detected .*
Each shift solenoid operate ON/OFF by receiving the
drive signal.
Each pressure control solenoid is activated by receiving the driv e signal.
A
B
AT
D
E
F
G
H
I
J
Diagnostic Pr ocedureECS00E76
OBD-II SELF-DIAGNOSTI C PROCEDURE (WITH CONSULT-II)
Refer to EC-119, "CONSULT-II Function (ENGINE)" .
OBD-II SELF-DIAGNOSTIC PROCEDURE (WITH GST)
Refer to EC-131, "Generic Sc an Tool (GST) Function" .
OBD-II SELF-DIAGNOSTIC PROCEDURE (NO TOOLS)
Refer to EC-64, "Malfunction Indicator Lamp (MIL)" .
TCM SELF-DIAGNOSTI C PROCEDURE (WITH CONSULT-II)
Refer to AT-75, "SELF-D IAG RESULT MODE" .
K
L
M
Revision: March 20062007 Quest
AT-81
Page 98
TROUBL E DIAGNOSI S
TCM SELF-DIAGNOSTIC PROCEDURE (NO TOOLS)
Description
As a method for locating the suspect system, when the self-diagnostics start signal is input, the memory for
the malfunc tion location is output and the O/D OFF indica tor lamp flashes to display the corresponding DTC.
Diagnostic procedure
1. CHECK O/D OFF INDICATOR LAMP
1.Start the engine with selector lever in “P” position. Warm engine to normal operating temperature.
2.Turn ignition switch “ON” and “OFF” at least twice, then le ave it in the “OFF” position.
3.Wait 10 seconds.
4.Turn ignition switch “ON”. (Do not start engine.)
Does O/D OFF indicator lamp come on for about 2 seconds?
YES>> GO TO 2.
NO>> GO TO AT-204, "
O/D OFF Indicator Lamp Does Not Come On" .
2. JUDGEMENT PROCEDURE
NOTE:
After turning ign ition switch “ON ” (at step 6), perform w ithin 2 seconds (w hile O/D OFF ind icator lamp come
on.).
1.Turn ignition switch “OFF”.
2.Push shift lock release button.
3.Move selecto r lever from “P” to “D” position.
4.Release accelerator pedal. (Set the closed throttle position signal “ON”.)
5.Depress brake pedal. (Stop lamp switch signal “ON”.)
6.Turn ignition switch “ON”.
7.Move the selector lever to the “N” position and release brake pedal. (Stop lamp switch signal “OFF”.)
8.Move the selector lever to “D” position and depress brake pedal. (Stop lamp switch signal “ON”.)
9.Release brake pedal. (Stop lamp switch signal “OFF”.)
10. Depress accelerator pedal fully and release it.
>> GO TO 3.
3. CHECK SE LF- DIA GNO SIS CODE
Check O/D OFF indicator lamp.
Refer to AT-83, "
If the system does not go into self-diagnostics, refer to AT-224, "
>> DIAGNOSIS END
Judgement self-diagnosis code" .
TCM Self-diagnosis Does Not Activate" .
Revision: March 20062007 Quest
AT-82
Page 99
TROUBL E DIAGNOSI S
Judgement self-diagnosis code
When a malfunction is detected, the malfunction route is i ndicated by longer illumination of the indicator lamp.
A
B
AT
D
E
F
G
SCIA2758E
ERASE SELF-DIAGNOSIS
●In order to mak e it easier to find the cause of h ard-to-duplicate malfunctions, m alfunction i nformation is
stored into the control unit as necessary during use by the user. This memory is not erased no matter how
many times the ignition switch is turned ON and OFF.
●However, this information is er ased by turni ng igniti on sw itch “OFF ” afte r exe cuting s elf-d iagnos tics or by
erasing the memory using the CONSULT-II.
H
I
J
K
L
M
Revision: March 20062007 Quest
AT-83
Page 100
DTC U1000 CAN COMMUNICATION LINE
DTC U1000 CAN COMMUNICATION LINEPFP:23710
DescriptionECS00E77
CAN (Controller Area Network) is a serial communication l ine for real time application. It is an on-vehicle multiplex communication line with high data communication speed and excellent malfunction detection ability.
Many ele ctronic c ontrol u ni ts are e quippe d onto a veh icle, and e ac h contr ol u nit s ha res inform ation a nd links
with other control units during operation (not independent). In CAN communication, control units are connected with 2 c ommun ication line s (CAN- H line, CAN -L line) all owing a hi gh rate of information t ransm ission
with less wiring. Each control unit transmits/receives data but selectively reads required data only.
On Board Diagnosis LogicECS00E78
●This is an OBD-II self-diagnostic item.
●Diagnostic trouble code “CAN COMM CIRCUIT” with CONSULT-II or U1000 without CONSULT-II is
detected when TCM cannot communicate to other control units.
Possible CauseECS00E79
Harness or connectors
(CAN communication line is open or shorted.)
DTC Confirmation ProcedureECS00E7A
NOTE:
If “DTC Confirmation Procedure” has been previously performed, always turn ignition switch “OFF”
and wait at least 10 secon ds before performing the next test.
After the repair, perform the following procedure to confirm the malfunction is eliminat ed.
WITH CONSULT-II
1.Turn ignition switch “ON”. (Do not start engine.)
2.Select “DATA MONITOR” mode for “TRANSMISSION” with
CONSULT-II.
3.Start engine.
4.Drive vehicle and mai ntain the following condition for a t least 6
seconds.
SLCT LVR POSI: “D” position
5.If DTC is detected, go to AT-86, "
Diagnostic Procedure" .
WITH GS T
Follow the procedure “WITH CONSULT-II”.
BCIA0030E
Revision: March 20062007 Quest
AT-84
Loading...
+ hidden pages
You need points to download manuals.
1 point = 1 manual.
You can buy points or you can get point for every manual you upload.