2004 NISSAN TERRANO Service Repair Manual

YEC663A
DTC 0403 ACCEL POS SENSORZD30DDTi
Wiring Diagram (Cont'd)EC-134
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M/T MODELS
YEC690A
DTC 0403 ACCEL POS SENSORZD30DDTi
Wiring Diagram (Cont'd)EC-135
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YEC691A
DTC 0403 ACCEL POS SENSORZD30DDTi
Wiring Diagram (Cont'd)EC-136
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Diagnostic Procedure
A/T MODELS
1 CHECK OVERALL FUNCTION-I
With CONSULT-II
1. Turn ignition switch ªONº.
2. Select ªACCEL POS SENº in ªDATA MONITORº mode with CONSULT-II.
3. Check ªACCEL POS SENº signal under the following conditions.
SEF278Z
Without CONSULT-II
1. Turn ignition switch ªONº.
2. Check voltage between ECM terminal 23 and ground under the following conditions.
SEF279Z
OK or NG
OK EGO TO 2.
NG EGO TO 3.
DTC 0403 ACCEL POS SENSORZD30DDTi
EC-137
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2 CHECK OVERALL FUNCTION-II
With CONSULT-II
1. Turn ignition switch ªONº.
2. Select ªFULL ACCEL SWº and ªOFF ACCEL SWº in ªDATA MONITORº mode with CONSULT-II.
3. Check ªFULL ACCEL SWº and ªOFF ACCEL SWº signal under the following conditions.
SEF416Y
Without CONSULT-II
1. Turn ignition switch ªONº.
2. Check voltage between ECM terminals 31, 32 and ground under the following conditions.
SEF417Y
OK or NG
OK EINSPECTION END
NG EGO TO 11.
DTC 0403 ACCEL POS SENSORZD30DDTi
Diagnostic Procedure (Cont'd)
EC-138
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3 CHECK ACCELERATOR POSITION SENSOR POWER SUPPLY CIRCUIT
1. Turn ignition switch ªOFFº.
2. Disconnect accelerator position sensor harness connector.
MEC995D
3. Turn ignition switch ªONº.
4. Check voltage between accelerator position sensor terminal 1 and ground with CONSULT-II or tester.
SEF816Y
OK or NG
OK EGO TO 4.
NG ERepair open circuit or short to ground or short to power in harness or connectors.
DTC 0403 ACCEL POS SENSORZD30DDTi
Diagnostic Procedure (Cont'd)
EC-139
http://vnx.su/

4 CHECK ACCELERATOR POSITION SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch ªOFFº.
2. Loosen and retighten engine ground screw.
MEC994D
3. Check harness continuity between accelerator position sensor terminal 3 and engine ground. Refer to Wiring Diagram.Continuity should exist.
4. Also check harness for short to ground and short to power.
OK or NG
OK EGO TO 5.
NG ERepair open circuit or short to ground or short to power in harness or connectors.
5 CHECK ACCELERATOR POSITION SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM terminal 23 and accelerator position sensor terminal 2. Refer to Wiring Diagram.
Continuity should exist.
3. Also check harness for short to ground and short to power.
OK or NG
OK (with CONSULT-II) EGO TO 6.
OK (without CONSULT-II) EGO TO 7.
NG ERepair open circuit or short to ground or short to power in harness or connectors.
DTC 0403 ACCEL POS SENSORZD30DDTi
Diagnostic Procedure (Cont'd)
EC-140
http://vnx.su/

6 CHECK ACCELERATOR POSITION SENSOR
With CONSULT-II
1. Reconnect all disconnected harness connectors.
2. Turn ignition switch ªONº.
3. Select ªDATA MONITORº mode with CONSULT-II.
4. Check the indication of ªACCEL POS SENº under the following conditions.
SEF818Y
OK or NG
OK EGO TO 8.
NG EReplace accelerator pedal assembly.
7 CHECK ACCELERATOR POSITION SENSOR
Without CONSULT-II
1. Reconnect all disconnected harness connectors.
2. Turn ignition switch ªONº.
3. Check voltage between ECM terminal 23 and ground under the following conditions.
SEF407Y
OK or NG
OK EGO TO 9.
NG EReplace accelerator pedal assembly.
8 RESET ACCELERATOR POSITION SENSOR IDLE POSITION MEMORY
With CONSULT-II
1. Turn ignition switch ªONº.
2. Select ªOFF ACCEL PO SIGº in ªACTIVE TESTº mode with CONSULT-II.
3. Touch ªCLEARº.
EGO TO 10.
DTC 0403 ACCEL POS SENSORZD30DDTi
Diagnostic Procedure (Cont'd)
EC-141
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