Nissan Juke Service and Repair Manual : P0697 sensor power supply

DTC Logic

DTC DETECTION LOGIC

Diagnosis Procedure


Diagnosis Procedure

1.CHECK GROUND CONNECTION

1. Turn ignition switch OFF and wait at least 4 minutes.

2. Check ground connection E38. Refer to Ground Inspection in GI-44, "Circuit Inspection".

Is the inspection result normal? YES >> GO TO 2.

NO >> Repair or replace ground connection.

2.CHECK FUEL RAIL PRESSURE SENSOR POWER SUPPLY CIRCUIT-I

1. Disconnect fuel rail pressure sensor harness connector.

2. Turn ignition switch ON.

3. Check the voltage between fuel rail pressure sensor harness connector and ground.

Is the inspection result normal?


Is the inspection result normal? YES >> GO TO 4.

NO >> GO TO 3.

3.CHECK FUEL RAIL PRESSURE SENSOR POWER SUPPLY CIRCUIT-II

1. Turn ignition switch OFF and wait at least 4 minutes.

2. Disconnect ECM harness connectors.

3. Check harness for short to power and short to ground between fuel rail pressure sensor harness connector and ECM harness connector.

Is the inspection result normal?


Is the inspection result normal? YES >> GO TO 4.

NO >> Repair short to ground or short to power in harness or connectors.

4.CHECK FUEL RAIL PRESSURE SENSOR

Refer to EC-918, "Component Inspection".

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

NO >> Replace fuel rail.

5.CHECK INTERMITTENT INCIDENT

Refer to GI-42, "Intermittent Incident".

>> INSPECTION END

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