
REAR AXLE –
Troubleshooting <AYC>
27-11
Code No. 31: Steer sensor (ST-1, ST-2, ST-N) system
Probable cause
This code is output when any of the steer sensors ST-1, ST-2, and ST-N is open-circuited
or the steer sensor ground wire is open-circuited.
D
Defective steer sensor
D
Defective harness or connector
D
Defective AYC-ECU
OK
Replace the steer sensor.
NG
Check the harness between steer sen-
sor and AYC-ECU.
NG
Repair
NG
Check and repair the harness between
speed sensor and AYC-ECU.
OK
Check the trouble symptom.
OK
Check the trouble symptom.
OK
Check the following connectors:
B-95, B-65, B-98
NG
Repair
NG: Voltage remains
at 4 V or more.
Measure at B-98 steer sensor connec-
tor.
D
Disconnect the connector and
measure at the harness side.
D
Continuity across 3 and body
ground
OK: Conducting
NG
Check the following connectors:
B-98, B-50
NG
Repair
NG
Replace AYC-ECU.
OK
Check the trouble symptom.
Measure at B-95 AYC-ECU connector.
D
Connector connected.
D
Ignition switch: ON
D
Voltage across 4/5/17 and body ground.
OK: The voltage alternates between about
3 V and about 0.5 V when the steering
wheel is turned.
OK
Check the following connector:
B-95
NG
Repair
NG: Voltage alternates
between 4 V or
more and 0.5 V.
NG: Voltage
remains
at 0 V.
Code No. 32: Steer sensor (ST-N) system
Probable cause
This code is output when the steering wheel is considered to be turned 40
_
or more
as determined with ST-1 and ST-2 with ST-N ON (LOW voltage).
D
Defective steer sensor
D
Defective harness or connector
D
Defective AYC-ECU
OK
Replace the steer sensor.
NG
Check the harness between steer sen-
sor and AYC-ECU.
NG
Repair
OK
Replace AYC-ECU.
NG
Replace AYC-ECU.
OK
Check the trouble symptom.
OK
Check the trouble symptom.
NG
Measure at B-95 AYC-ECU connector.
D
Disconnect the connector and
measure at the harness side.
D
Ignition switch: ON
D
Turn steering wheel about 90
_
in
either direction from the straight-
ahead position.
D
Voltage across 17 and body
ground.
OK: No continuity
NG
Check the following connectors:
B-95, B-65, B-98
NG
Repair
Measure at B-95 AYC-ECU connector.
D
Connector connected.
D
Ignition switch: ON
D
Turn steering wheel about 90
_
in
either direction from the straight-
ahead position.
D
Voltage across 17 and body
ground.
OK: The voltage increases from
about 0.5 V or less to about
3.5 V.
OK
Check the following connector:
B-95
NG
Repair
Содержание LANCER EVOLUTION-IV 1998
Страница 4: ...NOTES...
Страница 15: ...B 11 NOTES...
Страница 19: ...B 15 NOTES...
Страница 21: ...SINGLE PART INSTALLATION POSITION ECU A B 17 ECU Name Symbol AYC ECU A...
Страница 27: ...SINGLE PART INSTALLATION POSITION Ground 1 2 5 6 B 23 GROUND 1 2 5 6 7 14 15 13 11 12 10 9...
Страница 28: ...SINGLE PART INSTALLATION POSITION Ground 7 9 10 11 12 11 12 13 14 15 B 24...
Страница 35: ...CIRCUIT DIAGRAM Starting System BATTERY IGNITION SWITCH ST ENGINE CONTROL SYSTEM STARTER B 31 STARTING SYSTEM...
Страница 57: ...B 53 NOTES...
Страница 67: ...B 63 NOTES...
Страница 75: ...B 71 NOTES...
Страница 91: ...B 87 NOTES...
Страница 116: ...SINGLE PART INSTALLATION POSITION Ground Cable Ground C 18 GROUND CABLE GROUND...
Страница 123: ...CIRCUIT DIAGRAM Starting System BATTERY IGNITION SWITCH ST ENGINE CONTROL SYSTEM STARTER C 25 STARTING SYSTEM...
Страница 135: ...C 37 NOTES...
Страница 151: ...C 53 NOTES...
Страница 161: ...C 63 NOTES...
Страница 171: ...C 73 NOTES...
Страница 177: ...C 79 NOTES...
Страница 185: ...MODELS 2 00 1 GENERAL CONTENTS...
Страница 222: ...LUBRICANTS 2 ENGINE OIL COOLER 2 12 1 ENGINE LUBRICATION CONTENTS...
Страница 299: ...MANUAL TRANSMISSION 22A MANUAL TRANSMISSION OVERHAUL 22B 22 1 MANUAL TRANSMISSION CONTENTS...
Страница 300: ...22 2 NOTES...
Страница 313: ...MANUAL TRANSMISSION OVERHAUL General Information 22B 3 SECTIONAL VIEW With Front Limited Slip Differential Front LSD...
Страница 362: ...26 1 FRONT AXLE CONTENTS SERVICE SPECIFICATIONS 2 SPECIAL TOOLS 2 AXLE HUB AND KNUCKLE 3...
Страница 420: ...ROLL STOPPER AND CENTERMEMBER 2 32 1 POWER PLANT MOUNT CONTENTS...
Страница 448: ...BASIC BRAKE SYSTEM 35A ANTI LOCK BRAKING SYSTEM ABS 35B 35 1 SERVICE BRAKES CONTENTS...
Страница 449: ...35 2 NOTES...
Страница 514: ...EXTERIOR Front Bumper EVOLUTION V 51 4 FRONT BUMPER EVOLUTION V REMOVAL AND INSTALLATION Front bumper assembly...
Страница 518: ...EXTERIOR Aero Parts EVOLUTION IV 51 8 7 8 Rear spoiler removal steps 7 Rear spoiler 8 High mount stop lamp...