Page 1
MAZDA
Model: 323 (BG) • 323 Estate 1,6/4x4 (BW) • 323 (BA/BJ)
626/MX-6 • 626/Estate • Xedos 6/9 • MX-3/MX-5
Year: 1989-00
Engina code: BP, BP-DOHC, B3, B3E, B6, B6-SOHC, B6-DOHC, B6E,FP, FS,
KF, KJ, KL K8, RF, RF-CX, RF-Turbo, ZL, Z5
System: Mazda EGI • Mazda EDC
Engine management/transmission
Data link connector (DLC) locations
323 - engine bay, LH
MX-5 - near brake master cylinder
Trouble codes
626 -1997/MX-6, Xedos 6/9, MX-3
-engine bay, LH
General information
Except Xedos 9 2,3
•
Refer to the How to use this manual section for: general test
conditions, terminology, detailed descriptions of wiring faults
and a general trouble shooter for electrical and mechanical
faults.
• Trouble codes are displayed by using an LED connected to
the data link connector (DLC).
• Except 323 1998-», 626/Estate/MX-5 1997->: Engine
control module (ECM) displays all available diagnostic
information for immobilizer system.
•
DLC without wiring/terminals in positions FAT & TAT:
Engine control module (ECM) incorporates transmission
control function.
• DLC with wiring/terminals in positions FAT & TAT:
Transmission control module (TCM) mounted separately.
626/Estate 1998 -» - engine bay,
• The ECM fault memory can also be checked and erased
using diagnostic equipment connected to the data link
connector (DLC).
Xedos 9 2,3
•
Refer to the How to use this manual section for: general test
conditions, terminology, detailed descriptions of wiring faults
and a general trouble shooter for electrical and mechanical
faults.
• Trouble codes are displayed by using an LED connected to
the data link connector.
• Engine control module (ECM) displays all available
diagnostic information for immobilizer system.
•
Transmission control module (TCM) mounted separately.
• Data bus connecting ECM to TCM allows faults relating to
both systems to be displayed when accessing ECM fault
memory.
• The ECM/TCM fault memory can also be checked and
erased using diagnostic equipment connected to the data
link connector (DLC).
LH
Page 2
Engine management/transmission
Accessing
• Ensure ignition switched OFF.
• Bridge data link connector (DLC) terminals GND and TEN
• Connect LED test lamp between terminals FEN and B+ D.
NOTE: Connect LED test lamp positive connection to DLC
• Switch ignition ON.
• Count LED flashes. Note trouble codes. Compare with
• Two digit trouble codes are displayed as follows:
•
• Short flashes indicate the 'units' 2 [C].
• For example: Trouble code 12 displayed 2.
• Four digit trouble codes are displayed as follows:
• Each trouble code consists of four groups.
• A long flash indicates the start of each group 3[A].
• Short flashes indicate the digits of each group 3 [B].
• No short flashes in a group indicate '0'.
• For example: Trouble code 0120 displayed 3.
• Switch ignition OFF. Rectify faults as necessary.
terminal B+.
trouble code table.
Long flashes indicate the 'tens' 2 [A].
Erasing
Ensure ignition switched OFF.
Disconnect battery earth lead for at least 30 seconds.
Depress brake pedal for at least 20 seconds.
Reconnect battery earth lead.
Repeat checking procedure to ensure no data remains in
ECM fault memory.
WARNING: Disconnecting the battery may erase memory from
electronic units (e.g. radio , cloc k).
Page 3
Model: 323 (BG) • 323 Estate 1,6/4x4 (BW) • 323 (BA/BJ) • 626/MX-6
(
y
626/Estate • Xedos 6/9 • MX-3/MX-5
Engine management/transmission
Trouble code identification
Flash
type
2-digit
01 Ignition pulse missing Wiring, tachometer, ignition coil, distributor, ECM,
02 Diesel: Engine speed (RPM) sensor - no signal Wiring, RPM sensor
02 1
03 Camshaft position (CMP) sensor - no signal Wiring, sensor supply voltage, CMP sensor
04 Diesel: Crankshaft position (CKP) sensor - no Wiring, sensor supply voltage, CKP sensor
04 2
05 Knock sensor (KS) Wiring, KS
06 Vehicle speed sensor (VSS) Wiring, speedometer, VSS
08 Mass air flow (MAP) sensor/volume air flow (VAF) Wiring, MAF/VAF sensor
09 Engine coolant temperature (ECT) sensor Wiring, ECT sensor
10 Intake air temperature (IAT) sensor Wiring, IAT sensor
11 Intake air temperature (IAT) sensor Wiring, IAT sensor
12 Throttle position (TP) sensor Wiring, TP sensor adjustment, TP sensor
14 Barometric pressure (BARO) sensor Wiring, BARO sensor, ECM
15
16 Exhaust gas recirculation (EGR) valve position Wiring, EGR valve position sensor
17
18 Fuel quantity adjuster Wiring, fuel quantity adjuster/position sensor
19 Fuel quantity adjuster position sensor Wiring, fuel quantity adjuster position sensor
22 Fuel shut-off solenoid Wiring, fuel shut-off solenoid
24
Fault location
Petrol: Crankshaft position (CKP) sensor/engine
speed
Petrol: Crankshaft position (CKP) sensor/engine
speed
RPM) sensor - no signal
Except V6: Oxygen sensor (O2S)/heated oxygen
sensor
(HO2S) - no activity
V6: Heated oxygen sensor (HO2S), bank 2 - no
activit
Except V6: Oxygen sensor (O2S)/heated oxygen
sensor
(HO2S) - incorrect signal
V6: Heated oxygen sensor (HO2S), bank 2 incorrect
signal
Diesel: Fuel temperature sensor Wiring, fuel temperature sensor 23
Petrol: Heated oxygen sensor (HO2S), bank 1 - no
activity
Heated oxygen sensor (HO2S), bank 1 - incorrect
signal
Probable cause
Wiring, sensor supply voltage, CKP/RPM sensor
Wiring, sensor supply voltage, CKP/RPM sensor
Intake leak, fuel pressure/pump, wiring, O2S/HO2S,
injector(s), ECT sensor, MAF sensor, spark plugs
Intake leak, fuel pressure/pump, wiring, O2S/HO2S,
injector(s), ECT sensor, MAF sensor, spark plugs
Intake leak, fuel pressure/pump, wiring, O2S/HO2S,
injector(s), ECT sensor, MAF sensor, spark plugs
Intake leak, fuel pressure/pump, wiring, O2S/HO2S,
injector(s), ECT sensor, MAF sensor, spark plugs
Intake leak, wiring, O2S/HO2S, injector(s), ECT
sensor, MAF sensor, spark plugs
Intake leak, fuel pressure/pump, wiring, O2S/HO2S,
njector(s), ECT sensor, MAF sensor, spark plugs
25 Fuel pressure regulator control solenoid Wiring, fuel pressure regulator control solenoid
26 Evaporative emission (EVAP) canister purge valve Wiring, EVAP canister purge valve
28 Exhaust gas recirculation (EC3R) solenoid -vacuum Wiring, EGR solenoid
29 Exhaust gas recirculation (EGR) solenoid - vent Wiring, EGR solenoid
34 Idle air control (IAC) valve Wiring, IAC valve
35 Fuel pressure regulator control solenoid 2 Wiring, fuel pressure regulator control solenoid
36 Glow plug relay Wiring, glow plug relay
41 Intake manifold air control solenoid 1 Wiring, intake manifold air control solenoid
43 Fuel injection timing sensor Wiring, fuel injection timing sensor/solenoid
Page 4
Model: 323 (BG) • 323 Estate 1,6/4x4 (BW) • 323 (BA/BJ) • 626/MX-6
p
626/Estate • Xedos 6/9 • MX-3/MX-5
Engine management/transmission
Flash
type
2-digit
46 Petrol: Intake manifold air control solenoid 2
49 Engine control module (ECM) - defective ECM
52 Module coding plug Wiring, module coding plug
55
56 323: Engine control module (ECM) - supply voltage
57 Engine control relay Wiring, engine control relay
60 Shift solenoid (SS) A, 1-2 Wiring, SS
61 Shift solenoid (SS) B, 2-3 Wiring, SS
62 Shift solenoid (SS) C, 3-4 Wiring, SS
63 Torque converter clutch (TCC) control solenoid Wiring, TCC control solenoid
64 Shift timing solenoid, 3-2 Wiring, shift timing solenoid
65 Torque converter clutch (TCC) solenoid Wiring, TCC solenoid
66 Transmission fluid pressure (TFP) solenoid Wiring, TFP solenoid
67 Engine coolant blower motor relay - 1 /low temperature Wiring, engine coolant blower motor relay
68 Engine coolant blower motor relay - high temperature Wiring, engine coolant blower motor relay
69 Engine coolant blower motor temperature sensor Wiring, engine coolant blower motor
71 Engine control module (ECM)/immobilizer control
72 Ignition key - not programmed into ECM ECM incorrectly/not programmed
Fault location
Diesel: Closed throttle position (CTP) switch
Input shaft speed (ISS) sensor/turbine shaft speed (TSS)
sensor
626: Transmission fluid tem
erature (TFT) sensor
module - communication error
Probable cause
Wiring, intake manifold air control solenoid
Wiring, CTP switch
Wiring, ISS/TSS sensor
Wiring, ECM
Wiring, TFT sensor
Wiring, immobilizer control module, ECM
73 Engine control module (ECM)/immobilizer control module - Incorrectly programmed immobilizer control
74 Engine control module (ECM)/immobilizer control
module - ignition key codes not match
Incorrect/damaged key, ECM incorrectly
programmed
75 Engine control module (ECM) - EEPROM error ECM
76 Engine control module (ECM) — immobilizer code not
stored
77
Immobilizer control module - communication error
ECM incorrectly/not programmed
Incorrect/damaged key, wiring, reader coil,
immobilizer control unit
1 626/Xedos 6/9, engine codes KF/KL: Located in cylinder block.
2 626/Xedos 6/9, engine codes KF/KL: Located in distributor.
Page 5
Trouble codes
transmission
General information
•
Refer to the How to use this manu al section for: general test
conditions, terminology, detailed descriptions of wiring faults
and a general trouble shooter for electrical and mechanical
faults.
•
Trouble codes are displayed by using an LED connected to
the data link connector.
•
The TCM fault memory can also be checked an d er as ed
using diagnostic equipment connected to the data link
connector (DLC).
Accessing
• Ensure ignition switched OFF.
• Bridge data link connector (DLC) terminals GND and TAT1
• Connect LED test lamp between terminals FAT and B+1.
NOTE: Connect LED test lamp positive connection to DLC
Switch ignition ON.
Count LED flashes. Note trouble codes. Compare with
trouble code table.
Long flashes indicate the 'tens' 2 [A].
Short flashes indicat e the 'units' 2 [C].
For example: Troubl e c od e 1 2 di spl a y ed 2.
Switch ignition OFF. Rectify faults as necessary.
terminal B+.
Page 6
323/Estate 1,6 8V/16V (BG/BW) • 323 1,8 16V (BG)
626/MX-6 2,5 V6 (GE) • Xedos 6 • Xedos 9 • MX-3 1,6
transmission
Erasing
• Ensure ignition switched OFF.
• Disconnect battery earth lead for at least 20 seconds.
• Depress brake pedal.
• Reconnect battery earth lead.
• Repeat checking procedure to ensure no data remains in
ECM fault memory.
WARNING: Disconnecting the battery may erase memory from
electronic
Trouble code Code identification
Flash type
01
06
12
14
55
56
57
58
59
60
61
62
63
64
65
66
71
units (e.g. radio, clock).
Fault location
Ignition pulse missing
Vehicle speed sensor (VSS)
Throttle position (TP) sensor
Barometric pressure (BARO) sensor
Input shaft speed (ISS) sensor/turbine shaft speed
(TSS)
sensor
Transmission fluid temperature (TFT) sensor
Engine control module (ECM) - gear shift, torque
reduction signal 1
Engine control module (ECM) - gear shift, torque
reduction signal 2
Engine control module (ECM) - ECT high, torque
reduction signal
Shift solenoid (SS) A, 1-2
Shift solenoid (SS) B, 2-3
Shift solenoid (SS) C, 3-4
Torque converter clutch (TCC) control solenoid
Shift timing solenoid, 3-2
Torque converter clutch (TCC) solenoid
Transmission fluid pressure (TFP) solenoid
Closed throttle position (CTP) switch
Probable cause
Wiring, tachometer, ignition coil, distributor, ECM, TCM
Wiring, speedometer, VSS
Wiring, TP sensor adjustment, TP sensor
Wiring, BARO sensor, ECM
Wiring, ISS/TSS sensor
Wiring, TFT sensor
Wiring, ECM, TCM
Wiring, ECM, TCM
Wiring, ECM, TCM
Wiring, SS
Wiring, SS
Wiring, SS
Wiring, TCC control solenoid
Wiring, shift timing solenoid
Wiring, TCC solenoid
Wiring, TFP solenoid
Wiring, CTP switch
Page 7
Trouble codes
Immobilizer
General information
323 ->1997, 626/MX-5 -»1996
• No Self-diagnosis information available from immobilizer
control module.
Access engine control module (ECM) fault memory for
•
immobilizer related trouble codes.
323 1998-*, 626/MX-5 1997 -*
• Refer to the How to use this manual section for: general test
conditions, terminology, detailed descriptions of wiring faults
and a general trouble shooter for electrical and mechanical
faults.
•
Trouble codes are displayed by the immobilizer warning
lamp.
•
System malfunction: During first three engine starts, engine
runs for several seconds and then cuts out.
• After third attempt, engine will no longer start.
Accessing
323 1998 -s MX-5 1997 -»
• Turn ignition switch to START position for 2 seconds, then
back to ON.
Wait 2 minutes.
Count warning lamp flashes. Note trouble codes. Compare
with trouble code table.
Long flashes indicate the LH digit 1 [A].
Short flashes indicate the RH digit 1 [B].
For example: Trouble code 21 displayed 1.
Switch ignition OFF. Rectify faults as necessary.
626 1997 ->
• Trouble codes are displayed by the immobilizer warning
Count warning lamp flashes. Note trouble codes. Compare
with trouble code table.
Long flashes indicate the LH digit 1 [A].
Short flashes indicate the RH digit 1 [B].
For example: Trouble code 21 displayed 1.
Switch ignition OFF. Rectify faults as necessary.
lamp.
Switch ignition ON.
Erasing
323 1998 -s 626/MX-5 1997 -»
• Rectifying faults erases trouble codes.
Loading...