Nissan Juke Service and Repair Manual : P1642 thermoplunger control unit

DTC Logic

DTC DETECTION LOGIC

Diagnosis Procedure


Diagnosis Procedure

1.CHECK THERMOPLUNGER CONTROL UNIT POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect thermoplunger control unit harness connector.

3. Check the voltage between thermoplunger control unit 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.

• 100A fusible link (letter B) • Harness for open and short between thermoplunger control unit and battery

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

3.CHECK THERMOPLUNGER CONTROL UNIT GROUND CIRCUIT FOR OPEN AND SHORT

1. Disconnect ECM harness connector.

2. Check the continuity between thermoplunger control unit harness connector and ECM harness connector.

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


3. 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.CHECK INTERMITTENT INCIDENT

Is the inspection result normal? YES >> Replace thermoplunger control unit.

NO >> Repair or replace.

    P1641 thermoplunger control unit
    DTC Logic DTC DETECTION LOGIC Diagnosis Procedure 1.CHECK THERMOPLUNGER CONTROL UNIT POWER SUPPLY CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect thermoplunger control unit harness connector ...

    P1643 thermoplunger control unit
    DTC Logic DTC DETECTION LOGIC Diagnosis Procedure 1.CHECK THERMOPLUNGER CONTROL UNIT POWER SUPPLY CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect thermoplunger control unit harness connector ...

    Other materials:

    Door does not lock/unlock with intelligent key
    Diagnosis Procedure 1.CHECK DTC WITH BCM AND TCM Check that DTC is not detected with BCM and TCM. Is the inspection result normal? YES >> GO TO 2. NO-1 >> Refer to BCS-67, "DTC Index". (BCM) NO-2 >> Refer to TM-171, "DTC Index" (RE0F10B models) or TM-3 ...

    Ignition coil, spark plug and rocker cover
    Exploded View 1. Ignition coil 2. Spark plug 3. Rocker cover 4. Hose cramp 5. PCV hose 6. PCV valve 7. O-ring 8. Gasket 9. Oil filler cap 10. O-ring 11. Camshaft position sensor (INT) 12. Camshaft position sensor (EXH) 13. Cramp A. To intake manifold : Always replace after e ...

    Readiness for Inspection/Maintenance (I/M) test
    WARNING A vehicle equipped with All-Wheel Drive (AWD) should never be tested using a two wheel dynamometer (such as the dynamometers used by some states for emissions testing), or similar equipment. Make sure you inform test facility personnel that your vehicle is equipped with AWD before it ...