Nissan Maxima 2005 User Manual

C TRANSMISSION/TRANSAXLE

SECTION

AUTOMATIC TRANSAXLE

CONTENTS

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INDEX FOR DTC .......................................................	5
Alphabetical Index ...................................................	5
DTC No. Index ........................................................	6
PRECAUTIONS .........................................................	7
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” .................................................................	7
PrecautionsforOnBoardDiagnostic(OBD)System
of A/T and Engine ...................................................	7
PrecautionsforA/TAssemblyorTCMReplacement.....	8
Precautions .............................................................	9
Service Notice or Precautions ................................	11
Wiring Diagrams and Trouble Diagnosis ................	11
PREPARATION ........................................................	12
Special Service Tools ............................................	12
Commercial Service Tools .....................................	14
A/T FLUID ................................................................	15
Changing A/T Fluid ...............................................	15
Checking A/T Fluid ................................................	15
A/T CONTROL SYSTEM .........................................	16
Cross-Sectional View ............................................	16
Shift Mechanism ....................................................	17
TCM Function ........................................................	34
Input/Output Signal of TCM ...................................	35
CAN Communication .............................................	35
Line Pressure Control ...........................................	36
Shift Control ..........................................................	36
Lock-Up Control ....................................................	38
ON BOARD DIAGNOSTIC (OBD) SYSTEM ...........	40
Introduction ...........................................................	40
OBD-II Function for A/T System ............................	40
One or Two Trip Detection Logic of OBD-II ...........	40
OBD-II Diagnostic Trouble Code (DTC) ................	40
Malfunction Indicator Lamp (MIL) ..........................	43
TROUBLE DIAGNOSIS ...........................................	44
DTC Inspection Priority Chart ...............................	44
Fail-Safe ................................................................	44
How To Perform Trouble Diagnosis For Quick and
Accurate Repair ....................................................	47
A/T Electrical Parts Location .................................	52

Circuit Diagram ......................................................	53
Inspections Before Trouble Diagnosis ...................	54
Check Before Engine is Started .............................	58
Check at Idle ...........................................................	58
Cruise Test - Part 1 ................................................	60
Cruise Test - Part 2 ................................................	61
Cruise Test - Part 3 ................................................	62
Shift Schedule .......................................................	63
Symptom Chart .......................................................	64
TCM Input/Output Signal Reference Values ..........	71
CONSULT-II Function (TCM) .................................	74
Diagnostic Procedure Without CONSULT-II ..........	80
DTC U1000 CAN COMMUNICATION LINE .............	83
Description .............................................................	83
On Board Diagnosis Logic .....................................	83
Possible Cause ......................................................	83
DTC Confirmation Procedure ................................	83
Wiring Diagram — AT — CAN .............................	... 84
Diagnostic Procedure ............................................	85
DTC P0500 VEHICLE SPEED SENSOR MTR ........	86
Description .............................................................	86
On Board Diagnosis Logic .....................................	86
Possible Cause ......................................................	86
DTC Confirmation Procedure ................................	86
Diagnostic Procedure ............................................	87
DTC P0613 TCM PROCESSOR ..............................	88
Description .............................................................	88
On Board Diagnosis Logic .....................................	88
Possible Cause ......................................................	88
DTC Confirmation Procedure ................................	88
Diagnostic Procedure ............................................	89
DTC P0705 PARK/NEUTRAL POSITION SWITCH... 90
Description .............................................................	90
On Board Diagnosis Logic .....................................	90
Possible Cause ......................................................	90
DTC Confirmation Procedure ................................	90
Wiring Diagram — AT — PNP/SW ......................	... 91
Diagnostic Procedure ............................................	92
Component Inspection ...........................................	94
DTC P0710 A/T FLUID TEMPERATURE SENSOR

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CIRCUIT ...................................................................	95
Description .............................................................	95
On Board Diagnosis Logic .....................................	95
Possible Cause ......................................................	95
DTC Confirmation Procedure ................................	95
Wiring Diagram — AT — FTS ..............................	... 96
Diagnostic Procedure ............................................	97
Component Inspection ...........................................	99
DTC P0711 FLUID TEMPERATURE SENSOR PER-
FORMANCE ...........................................................	100
Description ...........................................................	100
On Board Diagnosis Logic ...................................	100
Possible Cause ....................................................	100
DTC Confirmation Procedure ..............................	100
Wiring Diagram — AT — FTSP ...........................	. 101
Diagnostic Procedure ..........................................	102
Component Inspection .........................................	104
DTCP0717TURBINEREVOLUTIONSENSORCIR-
CUIT .......................................................................	105
Description ...........................................................	105
On Board Diagnosis Logic ...................................	105
Possible Cause ....................................................	105
DTC Confirmation Procedure ..............................	105
Wiring Diagram — AT — TRSC ...........................	. 106
Diagnostic Procedure ..........................................	107
Component Inspection .........................................	108
DTC P0722 VEHICLE SPEED SENSOR A/T (REV-
OLUTION SENSOR) CIRCUIT ...............................	109
Description ...........................................................	109
On Board Diagnosis Logic ...................................	109
Possible Cause ....................................................	109
DTC Confirmation Procedure ..............................	109
Wiring Diagram — AT — VSSATC ......................	. 110
Diagnostic Procedure ...........................................	111
Component Inspection .........................................	112
DTC P0726 ENGINE SPEED INPUT CIRCUIT PER-
FORMANCE ...........................................................	113
Description ...........................................................	113
On Board Diagnosis Logic ...................................	113
Possible Cause ....................................................	113
DTC Confirmation Procedure ..............................	113
Diagnostic Procedure ..........................................	113
DTC P0731 A/T 1ST GEAR FUNCTION ................	115
Description ...........................................................	115
On Board Diagnosis Logic ...................................	115
Possible Cause ....................................................	115
DTC Confirmation Procedure ..............................	115
Wiring Diagram — AT — 1STSIG ........................	. 116
Diagnostic Procedure ..........................................	117
DTC P0732 A/T 2ND GEAR FUNCTION ...............	118
Description ...........................................................	118
On Board Diagnosis Logic ...................................	118
Possible Cause ....................................................	118
DTC Confirmation Procedure ..............................	118
Wiring Diagram — AT — 2NDSIG .......................	. 120
Diagnostic Procedure ..........................................	122
DTC P0733 A/T 3RD GEAR FUNCTION ...............	124
Description ...........................................................	124
On Board Diagnosis Logic ...................................	124

Possible Cause ....................................................	124
DTC Confirmation Procedure ...............................	124
Wiring Diagram — AT — 3RDSIG .......................	.126
Diagnostic Procedure ...........................................	128
DTC P0734 A/T 4TH GEAR FUNCTION ................	130
Description ...........................................................	130
On Board Diagnosis Logic ...................................	130
Possible Cause ....................................................	130
DTC Confirmation Procedure ...............................	130
Wiring Diagram — AT — 4THSIG ........................	.132
Diagnostic Procedure ...........................................	133
DTC P0735 A/T 5TH GEAR FUNCTION ................	135
Description ...........................................................	135
On Board Diagnosis Logic ...................................	135
Possible Cause ....................................................	135
DTC Confirmation Procedure ...............................	135
Wiring Diagram — AT — 5THSIG ........................	.137
Diagnostic Procedure ...........................................	139
DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP) .141
Description ...........................................................	141
On Board Diagnosis Logic ...................................	141
Possible Cause ....................................................	141
DTC Confirmation Procedure ...............................	141
Wiring Diagram — AT — TCCSIG .......................	.142
Diagnostic Procedure ...........................................	143
DTC P0745 PRESSURE CONTROL SOLENOID
VALVE A (LINE PRESSURE) .................................	144
Description ...........................................................	144
On Board Diagnosis Logic ...................................	144
Possible Cause ....................................................	144
DTC Confirmation Procedure ...............................	144
Wiring Diagram — AT — PC/A ............................	.145
Diagnostic Procedure ...........................................	146
Component Inspection .........................................	148
DTC P0750 SHIFT SOLENOID VALVE A ..............	149
Description ...........................................................	149
On Board Diagnosis Logic ...................................	149
Possible Cause ....................................................	149
DTC Confirmation Procedure ...............................	149
Wiring Diagram — AT — SSV/A ..........................	.150
Diagnostic Procedure ...........................................	151
Component Inspection .........................................	153
DTC P0755 SHIFT SOLENOID VALVE B ..............	154
Description ...........................................................	154
On Board Diagnosis Logic ...................................	154
Possible Cause ....................................................	154
DTC Confirmation Procedure ...............................	154
Wiring Diagram — AT — SSV/B ..........................	.155
Diagnostic Procedure ...........................................	156
Component Inspection .........................................	158
DTC P0760 SHIFT SOLENOID VALVE C ..............	159
Description ...........................................................	159
On Board Diagnosis Logic ...................................	159
Possible Cause ....................................................	159
DTC Confirmation Procedure ...............................	159
Wiring Diagram — AT — SSV/C ..........................	.160
Diagnostic Procedure ...........................................	161
Component Inspection .........................................	163
DTCP0762SHIFTSOLENOIDVALVECSTUCKON.164

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Description ..........................................................	164
On Board Diagnosis Logic ..................................	164
Possible Cause ...................................................	164
DTC Confirmation Procedure ..............................	164
Wiring Diagram — AT — SSV/CS .......................	. 165
Diagnostic Procedure ..........................................	166
Component Inspection ........................................	168
DTC P0765 SHIFT SOLENOID VALVE D .............	169
Description ..........................................................	169
On Board Diagnosis Logic ..................................	169
Possible Cause ...................................................	169
DTC Confirmation Procedure ..............................	169
Wiring Diagram — AT — SSV/D .........................	. 170
Diagnostic Procedure ..........................................	171
Component Inspection ........................................	173
DTC P0770 SHIFT SOLENOID VALVE E .............	174
Description ..........................................................	174
On Board Diagnosis Logic ..................................	174
Possible Cause ...................................................	174
DTC Confirmation Procedure ..............................	174
Wiring Diagram — AT — SSV/E .........................	. 175
Diagnostic Procedure ..........................................	176
Component Inspection ........................................	178
DTC P0775 PRESSURE CONTROL SOLENOID
VALVE B (SHIFT PRESSURE) ..............................	179
Description ..........................................................	179
On Board Diagnosis Logic ..................................	179
Possible Cause ...................................................	179
DTC Confirmation Procedure ..............................	179
Wiring Diagram — AT — PC/B ............................	. 180
Diagnostic Procedure ..........................................	181
Component Inspection ........................................	183
DTC P0780 SHIFT .................................................	184
Description ..........................................................	184
On Board Diagnosis Logic ..................................	184
Possible Cause ...................................................	184
DTC Confirmation Procedure ..............................	184
Wiring Diagram — AT — SFTFNC ......................	. 185
Diagnostic Procedure ..........................................	187
DTC P0795 PRESSURE CONTROL SOLENOID
VALVE C (TCC AND SHIFT PRESSURE) ............	188
Description ..........................................................	188
On Board Diagnosis Logic ..................................	188
Possible Cause ...................................................	188
DTC Confirmation Procedure ..............................	188
Wiring Diagram — AT — PC/C ...........................	. 189
Diagnostic Procedure ..........................................	190
Component Inspection ........................................	192
DTC P0797 PRESSURE CONTROL SOLENOID
VALVE C STUCK ON ............................................	193
Description ..........................................................	193
On Board Diagnosis Logic ..................................	193
Possible Cause ...................................................	193
DTC Confirmation Procedure ..............................	193
Wiring Diagram — AT — PC/CS .........................	. 194
Diagnostic Procedure ..........................................	195
Component Inspection ........................................	197
DTC P0826 MANUAL MODE SWITCH CIRCUIT . 198
Description ..........................................................	198

CONSULT-IIReferenceValueinDataMonitorMode
			. 198
On Board Diagnosis Logic ...................................			198
Possible Cause ....................................................			198
DTC Confirmation Procedure ..............................			198
Wiring Diagram — AT — MMSW		........................	. 199
Diagnostic Procedure ..........................................			201
Component Inspection .........................................			203
Position Indicator .................................................			203
DTC P0882 TCM POWER INPUT SIGNAL ...........			204
Description ...........................................................			204
On Board Diagnosis Logic ...................................			204
Possible Cause ....................................................			204
DTC Confirmation Procedure ..............................			204
Wiring Diagram — AT — PWR/IN		.......................	. 205
Diagnostic Procedure ..........................................			207
Component Inspection .........................................			208
DTC P1726 ELECTRIC THROTTLE CONTROL
SYSTEM .................................................................			209
Description ...........................................................			209
TROUBLE DIAGNOSIS FOR SYMPTOMS ...........			210
A/T CHECK Indicator Lamp does not come on ...			210
Engine Cannot Be Started In “P” or “N” Position.212.
In “P” Position, Vehicle Moves When Pushed ..			...212
In “N” Position, Vehicle Moves		..........................	...213
Large Shock (“N” to “D” Position) ........................			214
Vehicle Does Not Creep Backward In “R” Position.215
Vehicle Does Not Creep Forward In “D” Position . 216
Vehicle Cannot Be Started From D1 ....................			217
A/T Does Not Shift: D1 →	D2 ...............................		217
A/T Does Not Shift: D2 →	D3 ...............................		218
A/T Does Not Shift: D3 →	D4 ...............................		219
A/T Does Not Shift: D4 →	D5 ...............................		220
A/T Does Not Perform Lock-up		...........................	221
A/T Does Not Hold Lock-up Condition .................			222
Lock-up Is Not Released .....................................			223
Cannot Be Changed to Manual Mode .................			224
A/T Does Not Shift: 5th gear →		4th gear .............	225
A/T Does Not Shift: 4th gear →		3rd gear .............	226
A/T Does Not Shift: 3rd gear →		2nd gear ............	226
A/T Does Not Shift: 2nd gear →		1st gear ............	227
Vehicle Does Not Decelerate By Engine Brake ...			228
TCM Self-diagnosis Does Not Activate ...............			229
SHIFT CONTROL SYSTEM ...................................			231
Control Device .....................................................			231
Control Cable .......................................................			232
A/T SHIFT LOCK SYSTEM	...................................		233
Description ...........................................................			233
Shift Lock System Electrical Parts Location ........			233
Wiring Diagram — AT — SHIFT ..........................			. 234
Shift Lock Control Unit Reference Values ...........			235
Component Inspection .........................................			236
ON-VEHICLE SERVICE .........................................			238
Revolution Sensor Replacement .........................			238
Turbine Revolution Sensor Replacement ............			238
Park/Neutral Position (PNP) Switch Adjustment . 238
ATF Cooler ..........................................................			239
ATF Cooler Valve .................................................			239
Control Cable Adjustment	....................................		240

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Side cover ............................................................	241
Control Valve Assembly .......................................	241
Terminal cord assembly .......................................	241
TRANSAXLE ASSEMBLY .....................................	243
Removal and Installation .....................................	243
INSPECTION AFTER REMOVAL ........................	243
OVERHAUL ............................................................	245
Components ........................................................	245
Locations of Needle Bearings, Bearing Races and
Thrust Washers ...................................................	251
DISASSEMBLY ......................................................	252
Disassembly ........................................................	252
REPAIR FOR COMPONENT PARTS .....................	272
Oil Pump, 2nd Coast Brake & 2nd Brake ............	272
One-Way Clutch Outer Race Sub Assembly & 2nd
Coast Brake Hub & One-Way Clutch No.1 ..........	278
Transaxle Case Cover & B5 Brake ......................	280
Differential Gear Assembly ..................................	285

ASSEMBLY ............................................................	288
Assembly (1) ........................................................	288
Adjustment ...........................................................	295
Assembly (2) ........................................................	296
SERVICE DATA AND SPECIFICATIONS (SDS) ...312
General Specifications .........................................	312
Shift Schedule ......................................................	312
Stall Speed ...........................................................	313
Line Pressure .......................................................	313
Time Lag ..............................................................	313
Shift Solenoid Valves ...........................................	313
Solenoid Valves ...................................................	314
Clutch and Brakes ................................................	314
Final Drive ............................................................	315
A/T Fluid Temperature Sensor .............................	316
Turbine Revolution Sensor ...................................	316
Revolution Sensor ................................................	316

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INDEX FOR DTC

INDEX FOR DTC	PFP:00024
Alphabetical Index	ECS00A0H

NOTE:

If DTC U1000 is displayed with other DTCs, first perform the trouble diagnosis for DTC U1000. Refer to AT-83 .

		DTC
Items	OBD-II		Except OBD-II
				Reference page
(CONSULT-II screen terms)	CONSULT-II		CONSULT-II
			only “TRANSMIS-
	GST*1
			SION”
A/T 1ST GR FNCTN	P0731		P0731	AT-115
A/T 2ND GR FNCTN	P0732		P0732	AT-118
A/T 3RD GR FNCTN	P0733		P0733	AT-124
A/T 4TH GR FNCTN	P0734		P0734	AT-130
A/T 5TH GR FNCTN	P0735		P0735	AT-135
A/T TCC S/V FNCTN	P0744		P0744	AT-141
ATF TEMP SEN/CIRC	P0710		P0710	AT-95
CAN COMM CIRCUIT	U1000		U1000	AT-83
ELEC TH CONTROL	—		P1726	AT-209
ENG SPD INP PERFOR	—		P0726	AT-113
FLUID TEMP SEN	P0711		P0711	AT-100
MANUAL MODE SWITCH	—		P0826	AT-198
PC SOL A(L/PRESS)	P0745		P0745	AT-144
PC SOL B(SFT/PRS)	P0775		P0775	AT-179
PC SOL C(TCC&SFT)	P0795		P0795	AT-188
PC SOL C STC ON	P0797		P0797	AT-193
PNP SW/CIRC	P0705		P0705	AT-90
SHIFT	P0780		P0780	AT-184
SHIFT SOL A	P0750		P0750	AT-149
SHIFT SOL B	P0755		P0755	AT-154
SHIFT SOL C	P0760		P0760	AT-159
SHIFT SOL D	P0765		P0765	AT-169
SHIFT SOL E	P0770		P0770	AT-174
SFT SOL C STUCK ON	P0762		P0762	AT-164
TCM POWER INPT SIG	P0882		P0882	AT-204
TCM PROCESSOR	—		P0613	AT-88
TURBINE SENSOR	P0717		P0717	AT-105
VEH SPD SE/CIR-MTR	—		P0500	AT-86
VHCL SPEED SEN-A/T	P0722		P0722	AT-109

*1: These numbers are prescribed by SAE J2012.

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INDEX FOR DTC

DTC No. Index

ECS00A0I

NOTE:

If DTC U1000 is displayed with other DTCs, first perform the trouble diagnosis for DTC U1000. Refer to AT-83 .

	DTC
OBD-II		Except OBD-II	Items
				Reference page
CONSULT-II		CONSULT-II	(CONSULT-II screen terms)
		only “TRANSMIS-
GST*1
		SION”
—		P0500	VEH SPD SE/CIR-MTR	AT-86
—		P0613	TCM PROCESSOR	AT-88
P0705		P0705	PNP SW/CIRC	AT-90
P0710		P0710	ATF TEMP SEN/CIRC	AT-95
P0711		P0711	FLUID TEMP SEN	AT-100
P0717		P0717	TURBINE SENSOR	AT-105
P0722		P0722	VHCL SPEED SEN-A/T	AT-109
—		P0726	ENG SPD INP PERFOR	AT-113
P0731		P0731	A/T 1ST GR FNCTN	AT-115
P0732		P0732	A/T 2ND GR FNCTN	AT-118
P0733		P0733	A/T 3RD GR FNCTN	AT-124
P0734		P0734	A/T 4TH GR FNCTN	AT-130
P0735		P0735	A/T 5TH GR FNCTN	AT-135
P0744		P0744	A/T TCC S/V FNCTN	AT-141
P0745		P0745	PC SOL A(L/PRESS)	AT-144
P0750		P0750	SHIFT SOL A	AT-149
P0755		P0755	SHIFT SOL B	AT-154
P0760		P0760	SHIFT SOL C	AT-159
P0762		P0762	SFT SOL C STUCK ON	AT-164
P0765		P0765	SHIFT SOL D	AT-169
P0770		P0770	SHIFT SOL E	AT-174
P0775		P0775	PC SOL B(SFT/PRS)	AT-179
P0780		P0780	SHIFT	AT-184
P0795		P0795	PC SOL C(TCC&SFT)	AT-188
P0797		P0797	PC SOL C STC ON	AT-193
—		P0826	MANUAL MODE SWITCH	AT-198
P0882		P0882	TCM POWER INPT SIG	AT-204
—		P1726	ELEC TH CONTROL	AT-209
U1000		U1000	CAN COMM CIRCUIT	AT-83

*1: These numbers are prescribed by SAE J2012.

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		PRECAUTIONS
	PRECAUTIONS	PFP:00001	A
	Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
	BELT PRE-TENSIONER”	ECS00A0J

The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along B with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger 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 AT 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:	D

●To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death in the event of a collision which would result in air bag inflation, all maintenance must be per-

formed by an authorized NISSAN/INFINITI dealer.

●Improper maintenance, including incorrect removal and installation of the SRS, can lead to personal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air

Bag Module, see the SRS section.

●Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or harness connectors.

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Precautions for On Board Diagnostic (OBD) System of A/T and Engine

ECS00A0K

The ECM has an on board diagnostic system. It will light up the malfunction indicator 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, sensors, 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 connector is free from water, grease, dirt, bent terminals, etc.)

●Be sure to route and secure the harnesses properly after work. Interference of the harness with a

bracket, etc. may cause the MIL to light up due to a short circuit.

●Be sure to connect rubber tubes properly after work. A misconnected or disconnected rubber tube 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 unnecessary malfunction information (repairs completed) from the TCM and ECM before returning the vehicle to the customer.

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PRECAUTIONS

Precautions for A/T Assembly or TCM Replacement

ECS00A0L

●When replacing A/T assembly or TCM, refer to the pattern table below and initialize TCM if necessary.

TCM INITIALIZATION PATTERNS

	TCM	A/T assembly	Erasing EEPROM in TCM	Remarks
	Replaced with	Not replaced		Not required because the EEPROM in TCM is in the default
			Not required
		Replaced with
	new one			state.
		new or old one
	Not replaced	Replaced with
		new or old one
				Required because data cannot be conformed to previous
		Not replaced	Required
	Replaced with			data written in the EEPROM in TCM.
		Replaced with
	old one
		new or old one
	NOTE:

“Old one” is the TCM or A/T assembly that has been used on other vehicles.

METHOD FOR TCM INITIALIZATION

1.Perform “CONSULT-II SETTING PROCEDURE”. Refer toAT-75, "CONSULT-II SETTING PROCEDURE"

.

2.Set the vehicle following the items listed below.

●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.

●Malfunction was not detected.

3.Touch “WORK SUPPORT”.

4.Touch “INITIALIZATION”.

5.Initialize TCM following the direction in display.

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PRECAUTIONS

Precautions

●Before connecting or disconnecting the TCM harness connector, turn ignition switch “OFF” and disconnect negative battery cable. Because battery voltage is applied to TCM even if ignition switch is turned “OFF”.

●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 bends or breaks on TCM pin terminal, when connecting pin connectors.

●Before replacing TCM, perform TCM input/output signal inspection and make sure whether TCM functions properly or not. AT-72, "TCM INSPECTION TABLE".

●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 completed.

ECS00A0M

SEF289H

SEF291H

MEF040DA

SEF217U

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●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.

●Before proceeding with disassembly, thoroughly clean the outside of the transaxle. It is important to prevent the internal parts from becoming contaminated by dirt or other foreign matter.

●Disassembly should be done in a clean work area.

Revision: July 2005

AT-9

2005 Maxima

PRECAUTIONS

●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-flammable solvent before 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 precision parts and requires extreme care when parts are removed and serviced. 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 assembly, apply a coat of recommended ATF to all parts. Apply petroleum jelly to protect O-rings and seals, or hold bearings and washers in place during assembly. Do not use grease.

●Extreme care 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 plug is removed, only some of the fluid is drained. Old A/T fluid will remain in torque converter and ATF cooling system.

Always follow the procedures under “Changing A/T Fluid” in the AT section when changing A/T fluid. Refer to AT-15, "Changing A/T Fluid" , AT-15, "Checking A/T Fluid" .

Revision: July 2005

AT-10

2005 Maxima

PRECAUTIONS

Service Notice or Precautions

ECS00A0N

ATF COOLER SERVICE

If A/T fluid contains frictional material (clutches, bands, etc.), or if an A/T is repaired, overhauled, or replaced, inspect and clean the A/T oil cooler mounted in the radiator or replace the radiator. Flush cooler lines using cleaning solvent and compressed air after repair. Check Service Bulletins for latest A/T oil cooler cleaning procedure. For radiator replacement, refer to CO-12, "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 A/T CHECK indicator or the malfunction indicator lamp (MIL). Refer to the table on AT-75, "SELF-DIAG RESULT MODE" for the indicator used to display each self-diagnostic result.

●The self-diagnostic results indicated by the MIL are automatically stored in both the ECM and TCM memories.

Always perform the procedure on AT-41, "HOW TO ERASE DTC" to complete the repair and avoid unnecessary blinking of the MIL.

●For details of OBD-II, refer to EC-49, "ON BOARD DIAGNOSTIC (OBD) SYSTEM" .

●Certain systems and components, especially those related to OBD, may use the new style slide-

locking type harness connector. For description and how to disconnect, refer to PG-62, "HARNESS CONNECTOR" .

Wiring Diagrams and Trouble Diagnosis

ECS00A0O

When you read wiring diagrams, refer to the following:

●GI-13, "How to Read Wiring Diagrams".

●PG-4, "POWER SUPPLY ROUTING CIRCUIT" for power distribution circuit. When you perform trouble diagnosis, refer to the following:

●GI-9, "How to Follow Trouble Diagnoses".

●GI-25, "How to Perform Efficient Diagnosis for an Electrical Incident".

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Revision: July 2005

AT-11

2005 Maxima

			PREPARATION
PREPARATION			PFP:00002
Special Service Tools			ECS00A0P
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
	Tool number
	(Kent-Moore No.)		Description
	Tool name
	—		Measuring line pressure
	(J-34301-C)
	Oil pressure gauge set
1		—
	(J-34301-1)
	Oil pressure gauge
2		—
	(J-34301-2)
	Hoses

3—

(J-34298) Adapter

4—

(J-34282-2)

AAT896

Adapter 5 —

(790-301-1230-A)

60° Adapter

6 — (J-34301-15) Square socket

KV311J0010	Measuring line pressure
(J-45542)
Adapter

	SCIA3019E
KV991J0060	Adjusting park/neutral position (PNP) switch
(J-45404)
Alignment tool

		SCIA3018E
	ST33290001	● Removing oil pump assembly
	(J-34286)	● Removing thrust roller bearing
	Puller
		a: 250 mm (9.84 in)
		b: 160 mm (6.30 in)
		NT414
	ST33400001	Installing differential side oil seals
	(J-26082)	a: 60 mm (2.36 in) dia.
	Drift	b: 74 mm (1.85 in) dia.

NT086

Revision: July 2005

AT-12

2005 Maxima

		PREPARATION
	Tool number
	(Kent-Moore No.)	Description
	Tool name
	KV31102400	Removing and installing return springs
	(J-34285 and J-34285-87)	a: 320 mm (12.60 in)
	Clutch spring compressor	b: 174 mm (6.85 in)

		NT423
	ST30720000	● Installing oil seal
	(J-25405)	● Installing tapered roller bearing
	Drift
		a: 77 mm (3.03 in) dia.
		b: 55.5 mm (2.185 in) dia.
		NT115
	ST30612000	Removing outer race and adjust shim
	(J-25742-2)	a: 62 mm (2.44 in) dia.
	Drift	b: 40 mm (1.57 in) dia.

	NT073
ST3127S000	Checking differential side bearing preload
(J-25765-A)
Preload gauge

1GG91030000 (J-25765-A) Torque wrench

2HT62940000 ( — ) Socket adapter

3 HT62900000 NT124 ( — )

Socket adapter

KV40102500 (J-28815) Drift

		ZZC0999D
	ST33061000	● Removing tapered roller bearing
	(J-8107-2)	● Removing manual valve oil seal
	Drift

	ZZC0628D
KV38100500	Installing tapered roller bearing
( — )
Drift

ZZC0809D

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Revision: July 2005

AT-13

2005 Maxima

		PREPARATION
	Tool number
	(Kent-Moore No.)	Description
	Tool name
	KV40100621	Installing outer race and adjust shim
	(J-25273)
	Drift

ZZC1026D

ST30022000 ( — )

Drift

	ZZC0255D
Commercial Service Tools	ECS00A0Q
Tool name	Description
Power tool	Loosening bolts and nuts

	PBIC0190E
Puller	Removing tapered roller bearing
	a: 60 mm (2.36 in) dia.
	b: 35 mm (1.38 in) dia.

NT077

Puller

NT411

Revision: July 2005

AT-14

2005 Maxima

A/T FLUID

A/T FLUID

Changing A/T Fluid

Refer to MA-22, "Changing A/T Fluid" .

Checking A/T Fluid

Refer to MA-21, "Checking A/T Fluid" .

PFP:KLE40

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ECS00A0R

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Revision: July 2005

AT-15

2005 Maxima

A/T CONTROL SYSTEM

A/T CONTROL SYSTEM

Cross-Sectional View

PFP:31036

ECS00A0T

SCIA2575E

1.	Converter housing	2.	2nd brake	3.	One-way clutch No. 2
4.	Control valve assembly	5.	Side cover	6.	1st and reverse brake
7.	Forward clutch	8.	Direct clutch	9.	Transaxle case cover
10.	B5 brake	11.	Transaxle case	12.	U/D clutch
13.	U/D brake	14.	Final gear	15.	Differential case
16.	Output shaft	17.	Counter driven gear	18.	Counter drive gear
19.	Input shaft	20.	Oil pump	21.	One-way clutch No. 1
22.	2nd coast brake	23.	Torque converter	24.	Main rear planetary gear
25.	Main front planetary gear	26.	U/D rear planetary gear	27.	U/D front planetary gear

Revision: July 2005

AT-16

2005 Maxima

			A/T CONTROL SYSTEM
Shift Mechanism							ECS00A0U
CONSTRUCTION										A
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							SCIA2576E
1.		Forward clutch	2.	Direct clutch	3.	U/D clutch				K
4.		2nd coast brake	5.	2nd brake	6. 1st and reverse brake
7.		U/D brake	8.	B5 brake	9. One-way clutch No. 1
10.		One-way clutch No. 2	11.	Main sun gear	12.	Main planetary carrier				L
13.		Main front internal gear	14.	Main rear internal gear	15.	U/D sun gear
16.		U/D front planetary carrier	17.	U/D front internal gear	18.	U/D rear planetary carrier
19.		U/D rear internal gear	20.	Input shaft	21.	Counter drive gear				M
22.		Counter driven gear	23.	Output shaft	24.	Parking gear
25.		Parking pawl

Revision: July 2005

AT-17

2005 Maxima

A/T CONTROL SYSTEM

FUNCTION OF CLUTCH AND BRAKE

Clutch and brake components	Abbr.	Function
Forward clutch 1	F/C	Connect input shaft 20 to main rear internal gear 10 .
Direct clutch 2	D/C	Connect input shaft 20 to main sun gear 11 .
U/D clutch 3	U/D.C	Connect U/D sun gear 15 to U/D front planetary carrier 16 .
2nd coast brake 4	2nd C/B	Lock main sun gear 11 .
2nd brake 5	2nd/B	Lock counterclockwise rotation of main sun gear 11 .
1st and reverse brake 6	1st & R/B	Lock main front internal gear 13 .
U/D brake 7	U/D.B	Lock U/D sun gear 15 .
B5 brake 8	B5/B	Lock U/D rear planetary carrier 18 .
One-way clutch No. 1 9	O.C1	Lock counterclockwise rotation of main sun gear 11 , when 2nd brake 5 oper-
		ations.
One-way clutch No. 2 10	O.C2	Lock counterclockwise rotation of main front internal gear 13 .

CLUTCH AND BAND CHART

Clutch

Brake

One-way clutch

Shift position

F/C

D/C

U/D.C

2nd C/

2nd/B

1st &

U/D.B

B5/B

O.C1

O.C2

Remarks

B

R/B

1

2

3

5

7

8

9

10

4

6

P

PARK

POSITION

R

REVERSE

POSITION

N

NEUTRAL

POSITION

1st

1

2

2nd

2

3

Automatic shift

D

3rd

1 2

3

4

5

3

4

4th

4

5

5th

M5

5th

Locks in 5th

gear*

M4

4th

Locks in 4th

gear*

M3

3rd

Locks in 3rd

gear*

M2

2nd

Locks in 2nd

gear*

M1

1st

Locks in 1st

gear*

: Operates

: In transition between applied and released.

*: Except when automated up/down shift control and up/down shift permission control are activated. Refer to AT-37, "MANUAL MODE" .

Revision: July 2005

AT-18

2005 Maxima

A/T CONTROL SYSTEM

POWER TRANSMISSION
“N” position	A

Since both the forward clutch and the direct clutch are released, torque from the input shaft drive is not transmitted to the output shaft.

B

“P” position

● The same as for the “N” position, both the forward clutch and the direct clutch are released, so torque

from the input shaft drive is not transmitted to the output shaft.

AT

●The parking pole linked with the selector lever meshes with the parking gear and fastens the output shaft mechanically.

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SCIA2577E

1.	Forward clutch	2.	Direct clutch	3.	U/D clutch
4.	2nd coast brake	5.	2nd brake	6.	1st and reverse brake
7.	U/D brake	8.	B5 brake	9.	One-way clutch No. 1
10.	One-way clutch No. 2	11.	Main sun gear	12.	Main planetary carrier
13.	Main front internal gear	14.	Main rear internal gear	15.	U/D sun gear
16.	U/D front planetary carrier	17.	U/D front internal gear	18.	U/D rear planetary carrier
19.	U/D rear internal gear	20.	Input shaft	21.	Counter drive gear
22.	Counter driven gear	23.	Output shaft	24.	Parking gear
25.	Parking pawl

Revision: July 2005

AT-19

2005 Maxima

A/T CONTROL SYSTEM

“D” position 1st gear

1.Input shaft rotates clockwise.

2.Forward clutch operates. (Connect input shaft to main rear internal gear.)

3.Main rear internal gear rotates clockwise.

4.Main rear planetary pinion gear rotates itself clockwise.

5.Main front large planetary pinion gear rotates itself clockwise for rear planetary pinion and one.

6.Main front small planetary pinion gear rotates itself counterclockwise.

7.Main front internal gear is going to rotates counterclockwise.

8.One-way clutch No. 2 operates. (Lock counterclockwise rotation of main front internal gear.)

9.Main planetary carrier revolves clockwise due to reaction force of front small planetary pinion gear.

10.Counter drive gear rotates clockwise for main planetary carrier and one.

11.Counter driven gear rotates counterclockwise.

12.U/D front internal gear rotates counterclockwise for counter driven gear and one.

13.U/D front planetary pinion gear rotates itself counterclockwise.

14.U/D sun gear rotates clockwise.

15.U/D rear planetary pinion gear rotates itself counterclockwise.

16.B5 brake operate. (Lock rotation of U/D rear planetary carrier.)

17.U/D rear internal gear rotates counterclockwise.

18.U/D front planetary carrier and output shaft rotates counterclockwise for U/D rear internal gear and one.

19.Final gear clockwise.

●During deceleration, main front internal gear clockwise due to rotation itself clockwise of main front small planetary pinion gear, but driving force loses due to free of one-way clutch No. 2. Therefore, engine brake does not operate.

Revision: July 2005

AT-20

2005 Maxima

A/T CONTROL SYSTEM

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SCIA2585E

1.	Forward clutch	2.	Direct clutch	3.	U/D clutch
4.	2nd coast brake	5.	2nd brake	6.	1st and reverse brake
7.	U/D brake	8.	B5 brake	9.	One-way clutch No. 1
10.	One-way clutch No. 2	11.	Main sun gear	12.	Main planetary carrier
13.	Main front internal gear	14.	Main rear internal gear	15.	U/D sun gear
16.	U/D front planetary carrier	17.	U/D front internal gear	18.	U/D rear planetary carrier
19.	U/D rear internal gear	20.	Input shaft	21.	Counter drive gear
22.	Counter driven gear	23.	Output shaft	24.	Parking gear
25.	Parking pawl

Revision: July 2005

AT-21

2005 Maxima

A/T CONTROL SYSTEM

“M1” position 1st gear

1.Input shaft rotates clockwise.

2.Forward clutch operates. (Connect input shaft to main rear internal gear.)

3.Main rear internal gear rotates clockwise.

4.Main rear planetary pinion gear rotates itself clockwise.

5.Main front large planetary pinion gear rotates itself clockwise for rear planetary pinion gear and one.

6.Main front small planetary pinion gear rotates itself counterclockwise.

7.Main front internal gear is going to rotates counterclockwise.

8.1st and reverse brake operates. (Lock rotation of main front internal gear.)

9.Main planetary carrier revolves clockwise due to reaction force of front small planetary pinion gear.

10.Counter drive gear rotates clockwise for main planetary carrier and one.

11.Counter driven gear rotates counterclockwise.

12.U/D front internal gear rotates counterclockwise for counter driven gear and one.

13.U/D front planetary pinion gear rotates itself counterclockwise.

14.U/D sun gear rotates clockwise.

15.U/D rear planetary pinion gear rotates itself counterclockwise.

16.B5 brake operate. (Lock rotation of U/D rear planetary carrier.)

17.U/D rear internal gear rotates counterclockwise.

18.U/D front planetary carrier and output shaft rotates counterclockwise for U/D rear internal gear and one.

19.Final gear clockwise.

●During deceleration, driving force is connected to input shaft directly without one-way clutch. Therefore, engine brake operates.

Revision: July 2005

AT-22

2005 Maxima

A/T CONTROL SYSTEM

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SCIA2586E

1.	Forward clutch	2.	Direct clutch	3.	U/D clutch
4.	2nd coast brake	5.	2nd brake	6.	1st and reverse brake
7.	U/D brake	8.	B5 brake	9.	One-way clutch No. 1
10.	One-way clutch No. 2	11.	Main sun gear	12.	Main planetary carrier
13.	Main front internal gear	14.	Main rear internal gear	15.	U/D sun gear
16.	U/D front planetary carrier	17.	U/D front internal gear	18.	U/D rear planetary carrier
19.	U/D rear internal gear	20.	Input shaft	21.	Counter drive gear
22.	Counter driven gear	23.	Output shaft	24.	Parking gear
25.	Parking pawl

Revision: July 2005

AT-23

2005 Maxima

A/T CONTROL SYSTEM

“D”, “M2” positions 2nd gear

1.Input shaft rotates clockwise.

2.Forward clutch operates. (Connect input shaft to main rear internal gear.)

3.Main rear internal gear rotates clockwise.

4.Main rear planetary pinion gear rotates itself clockwise.

5.Main front large planetary pinion gear rotates itself clockwise for rear planetary pinion and one.

6.2nd brake and 2nd coast brake operates.

7.One-way clutch No. 1 operates. (Lock rotation of main sun gear.)

8.Main planetary carrier revolves clockwise due to reaction force of front large planetary pinion gear.

9.Counter drive gear rotates clockwise for main planetary carrier and one.

10.Counter driven gear rotates counterclockwise.

11.U/D front internal gear rotates counterclockwise for counter driven gear and one.

12.U/D front planetary pinion gear rotates itself counterclockwise.

13.U/D sun gear rotates clockwise.

14.U/D rear planetary pinion gear rotates itself counterclockwise.

15.B5 brake operate. (Lock rotation of U/D rear planetary carrier.)

16.U/D rear internal gear rotates counterclockwise.

17.U/D front planetary carrier and output shaft rotates counterclockwise for U/D rear internal gear and one.

18.Final gear clockwise.

●During deceleration, driving force is connected to input shaft directly without one-way clutch. Therefore, engine brake operates.

Revision: July 2005

AT-24

2005 Maxima

A/T CONTROL SYSTEM

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SCIA2587E

1.	Forward clutch	2.	Direct clutch	3.	U/D clutch
4.	2nd coast brake	5.	2nd brake	6.	1st and reverse brake
7.	U/D brake	8.	B5 brake	9.	One-way clutch No. 1
10.	One-way clutch No. 2	11.	Main sun gear	12.	Main planetary carrier
13.	Main front internal gear	14.	Main rear internal gear	15.	U/D sun gear
16.	U/D front planetary carrier	17.	U/D front internal gear	18.	U/D rear planetary carrier
19.	U/D rear internal gear	20.	Input shaft	21.	Counter drive gear
22.	Counter driven gear	23.	Output shaft	24.	Parking gear
25.	Parking pawl

Revision: July 2005

AT-25

2005 Maxima

A/T CONTROL SYSTEM

“D”, “M3” positions 3rd gear

1.Input shaft rotates clockwise.

2.Forward clutch operates. (Connect input shaft to main rear internal gear.)

3.Main rear internal gear rotates clockwise.

4.Main rear planetary pinion gear rotates itself clockwise.

5.Main front large planetary pinion gear rotates itself clockwise for rear planetary pinion and one.

6.2nd brake and 2nd coast brake operates.

7.One-way clutch No. 1 operates. (Lock rotation of main sun gear.)

8.Main planetary carrier revolves clockwise due to reaction force of front large planetary pinion gear.

9.Counter drive gear rotates clockwise for main planetary carrier and one.

10.Counter driven gear rotates counterclockwise.

11.U/D front internal gear rotates counterclockwise for counter driven gear and one.

12.U/D front planetary pinion gear rotates itself counterclockwise.

13.U/D brake operate. (Lock rotation of U/D sun gear.)

14.U/D front planetary carrier revolves counterclockwise due to reaction force of U/D front planetary pinion gear.

15.U/D rear internal gear and output shaft rotates counterclockwise for U/D front planetary carrier and one.

16.Final gear clockwise.

●During deceleration, driving force is connected to input shaft directly without one-way clutch. Therefore, engine brake operates.

Revision: July 2005

AT-26

2005 Maxima

A/T CONTROL SYSTEM

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SCIA2588E

1.	Forward clutch	2.	Direct clutch	3.	U/D clutch
4.	2nd coast brake	5.	2nd brake	6.	1st and reverse brake
7.	U/D brake	8.	B5 brake	9.	One-way clutch No. 1
10.	One-way clutch No. 2	11.	Main sun gear	12.	Main planetary carrier
13.	Main front internal gear	14.	Main rear internal gear	15.	U/D sun gear
16.	U/D front planetary carrier	17.	U/D front internal gear	18.	U/D rear planetary carrier
19.	U/D rear internal gear	20.	Input shaft	21.	Counter drive gear
22.	Counter driven gear	23.	Output shaft	24.	Parking gear
25.	Parking pawl

Revision: July 2005

AT-27

2005 Maxima

A/T CONTROL SYSTEM

“D”, “M4” positions 4th gear

1.Input shaft rotates clockwise.

2.Forward clutch operates. (Connect input shaft to main rear internal gear.)

3.Main rear internal gear rotates clockwise.

4.Main rear planetary pinion gear rotates itself clockwise.

5.Main front large planetary pinion gear rotates itself clockwise for rear planetary pinion and one.

6.2nd brake and 2nd coast brake operates.

7.One-way clutch No. 1 operates. (Lock rotation of main sun gear.)

8.Main planetary carrier revolves clockwise due to reaction force of front large planetary pinion gear.

9.Counter drive gear rotates clockwise for main planetary carrier and one.

10.Counter driven gear rotates counterclockwise.

11.U/D front internal gear rotates counterclockwise for counter driven gear and one.

12.U/D clutch operate. (Connect U/D sun gear to U/D front planetary carrier.)

13.U/D front planetary pinion gear cannot rotate itself, and U/D unit rotates counterclockwise as one.

14.Output shaft rotates counterclockwise for U/D unit and one.

15.Final gear clockwise.

●During deceleration, driving force is connected to input shaft directly without one-way clutch. Therefore, engine brake operates.

Revision: July 2005

AT-28

2005 Maxima

A/T CONTROL SYSTEM

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SCIA2592E

1.	Forward clutch	2.	Direct clutch	3.	U/D clutch
4.	2nd coast brake	5.	2nd brake	6.	1st and reverse brake
7.	U/D brake	8.	B5 brake	9.	One-way clutch No. 1
10.	One-way clutch No. 2	11.	Main sun gear	12.	Main planetary carrier
13.	Main front internal gear	14.	Main rear internal gear	15.	U/D sun gear
16.	U/D front planetary carrier	17.	U/D front internal gear	18.	U/D rear planetary carrier
19.	U/D rear internal gear	20.	Input shaft	21.	Counter drive gear
22.	Counter driven gear	23.	Output shaft	24.	Parking gear
25.	Parking pawl

Revision: July 2005

AT-29

2005 Maxima

A/T CONTROL SYSTEM

“D”, “M5” positions 5th gear

1.Input shaft rotates clockwise.

2.Forward clutch operates. (Connect input shaft to main rear internal gear.)

3.Direct clutch operates. (Connect input shaft to main sun gear.)

4.Main rear planetary pinion gear cannot rotate itself, and main rear planetary unit rotates clockwise as one.

5.Main front large planetary pinion gear cannot rotate itself for main rear planetary pinion gear and one, and main front planetary unit rotates clockwise as one.

6.Counter drive gear rotates clockwise for main front planetary unit and one.

7.Counter driven gear rotates counterclockwise.

8.U/D front internal gear rotates counterclockwise for counter driven gear and one.

9.U/D clutch operate. (Connect U/D sun gear to U/D front planetary carrier.)

10.U/D front planetary pinion gear cannot rotate itself, and U/D unit rotates counterclockwise as one.

11.Output shaft rotates counterclockwise for U/D unit and one.

12.Final gear clockwise.

●During deceleration, driving force is connected to input shaft directly without one-way clutch. Therefore, engine brake operates.

Revision: July 2005

AT-30

2005 Maxima