Nissan Juke Service and Repair Manual : P2138 APP sensor

DTC Logic

DTC DETECTION LOGIC

NOTE

:
If DTC P2138 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643. Refer to EC-307, "DTC Logic".

DTC CONFIRMATION PROCEDURE


DTC CONFIRMATION PROCEDURE

1.PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

1. Turn ignition switch OFF and wait at least 10 seconds.

2. Turn ignition switch ON.

3. Turn ignition switch OFF and wait at least 10 seconds.

TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 8 V at idle.

>> GO TO 2.

2.PERFORM DTC CONFIRMATION PROCEDURE

1. Start engine and let it idle for 1 second.

2. Check DTC.

Is DTC detected? YES >> Proceed to EC-395, "Diagnosis Procedure".

NO >> INSPECTION END

Diagnosis Procedure

1.CHECK APP SENSOR 1 POWER SUPPLY

1. Turn ignition switch OFF.

2. Disconnect accelerator pedal position (APP) sensor harness connector.

3. Turn ignition switch ON.

4. Check the voltage between APP sensor harness connector and ground.

*1: LHD models or RHD with CVT models


*1: LHD models or RHD with CVT models *2: RHD with M/T models

Is the inspection result normal? YES >> GO TO 3.

NO >> GO TO 2.

2.CHECK APP SENSOR 1 POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect ECM harness connector.

3. Check the continuity between APP sensor harness connector and ECM harness connector.

*1: LHD models or RHD with CVT models


*1: LHD models or RHD with CVT models *2: RHD with M/T models

4. Also check harness for short to ground.

Is the inspection result normal? YES >> Perform the trouble diagnosis for power supply circuit.

NO >> Repair or replace error-detected parts.

3.CHECK APP SENSOR 2 POWER SUPPLY

Check the voltage between APP sensor harness connector and ground.

*1: LHD models or RHD with CVT models


*1: LHD models or RHD with CVT models *2: RHD with M/T models

Is the inspection result normal? YES >> GO TO 5.

NO >> GO TO 4.

4.CHECK SENSOR POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect ECM harness connector.

3. Check harness connector for short to power and short to ground, between the following terminals.

*1: LHD models or RHD with CVT models


*1: LHD models or RHD with CVT models *2: RHD with M/T models

Is inspection result normal? YES >> Perform the trouble diagnosis for power supply circuit.

NO >> Repair or replace error-detected parts.

5.CHECK APP SENSOR GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect ECM harness connector.

3. Check the continuity between APP sensor harness connector and ECM harness connector.

*1: LHD models or RHD with CVT models


*1: LHD models or RHD with CVT models *2: RHD with M/T models

4. Also check harness for short to power.

Is the inspection result normal? YES >> GO TO 6.

NO >> Repair or replace error-detected parts.

6.CHECK APP SENSOR INPUT SIGNAL CIRCUIT

1. Check the continuity between APP sensor harness connector and ECM harness connector.

*1: LHD models or RHD with CVT models


*1: LHD models or RHD with CVT models *2: RHD with M/T models

2. Also check harness for short to ground and to power.

Is the inspection result normal?

YES >> GO TO 7.

NO >> Repair or replace error-detected parts 7.CHECK APP SENSOR

Check the APP sensor. Refer to EC-390, "Component Inspection".

Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-42, "Intermittent Incident".

NO >> Replace accelerator pedal assembly. Refer to EM-28, "Exploded View".

Component Inspection

1.CHECK ACCELERATOR PEDAL POSITION SENSOR

1. Turn ignition switch OFF.

2. Reconnect all harness connectors disconnected.

3. Turn ignition switch ON.

4. Check the voltage between ECM harness connector terminals as per the following condition.

Is the inspection result normal?


Is the inspection result normal? YES >> INSPECTION END

NO >> Replace accelerator pedal assembly. Refer to EM-28, "Exploded View".

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