Nissan Juke Service and Repair Manual : P0090 fuel pump

DTC Logic

DTC DETECTION LOGIC

Diagnosis Procedure


Diagnosis Procedure

1.CHECK HIGH PRESSURE SUPPLY PUMP (PRESSURE CONTROL VALVE) POWER SUPPLY

1. Turn ignition switch OFF.

2. Disconnect high pressure supply pump (pressure control valve) harness connector.

3. Turn ignition switch ON.

4. Check the voltage between high pressure supply pump (pressure control valve) harness connector and ground.

Is the inspection result normal?


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

NO >> GO TO 2.

2.DETECT MALFUNCTIONING PART

Check the following.

Harness or connectors E8, F1 Harness for open or short between IPDM E/R and high pressure supply pump (pressure control valve)

>> Repair open circuit or short to ground or short to power in harness or connectors.

3.CHECK HIGH PRESSURE SUPPLY PUMP (PRESSURE CONTROL VALVE) OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT

1. Turn ignition switch OFF.

2. Disconnect ECM harness connector.

3. Check the continuity between high pressure supply pump (pressure control valve) harness connector and ECM harness connector.

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


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

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

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

4.HIGH PRESSURE SUPPLY PUMP (PRESSURE CONTROL VALVE) CHECK

Refer to EC-900, "Component Inspection".

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

No >> Replace high pressure supply pump.

5.CHECK INTERMITTENT INCIDENT

Refer to GI-42, "Intermittent Incident", ???INCIDENT SIMULATION TESTS??? and ???GROUND INSPECTION???.

>> INSPECTIO END

Component Inspection

1.CHECK HIGH PRESSURE SUPPLY PUMP (PRESSURE CONTROL VALVE)

1. Turn ignition switch OFF.

2. Disconnect high pressure supply pump (pressure control valve) harness connector.

3. Check resistance between high pressure supply pump (pressure control valve) terminals as follows.

the inspection result normal?


the inspection result normal? YES >> INSPECTION END

NO >> Replace high pressure supply pump.

    P0089 fuel pump
    DTC Logic DTC DETECTION LOGIC NOTE: Conditions for applying the diagnostic procedure to the stored DTCs: The DTC becomes present during the first 30 seconds after the engine starts. In low ...

    P0100 MAF sensor
    DTC Logic DTC DETECTION LOGIC Diagnosis Procedure 1.CHECK GROUND CONNECTIONS 1. Turn ignition switch OFF. 2. Check ground connection E38. Refer to Ground inspection in GI-44, "Circuit In ...

    Other materials:

    Map lamp
    Exploded View 1. Map lamp bulb housing 2. Bulb 3. Lens : Pawl Removal and Installation CAUTION: Disconnect the battery negative terminal or the fuse. REMOVAL 1. Remove the lens (1). Insert a remover tool (A) into the gap between the lens. Disengage the lens fixing pawls, and then ...

    Wiring diagram
    BCM LHD LHD : Wiring Diagram For connector terminal arrangements, harness layouts, and alphabets in a (option abbreviation; if not described in wiring diagram), refer to GI-12, "Connector Information/Explanation of Option Abbreviation". RHD RHD : Wiring Diagram For con ...

    P181E steering angle sensor
    DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1.PRECONDITIONING If DTC CONFIRMATION PROCEDURE has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test. >> GO TO 2. 2.DTC REPRODUCTION PROCEDURE With ...