Nissan Juke Service and Repair Manual : P1643 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.

Х 100A fusible link (letter B) Х 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

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

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

NO >> Repair or replace.

    P1642 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 ...

    P1650 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:

    Combination switch output circuit
    Diagnosis Procedure 1.CHECK OUTPUT 1 - 5 CIRCUIT FOR OPEN 1. Turn ignition switch OFF. 2. Disconnect BCM and combination switch connectors. 3. Check continuity between BCM harness connector and combination switch harness connector. Does continuity exist? YES >> GO TO 2. NO >> ...

    Outside key antenna
    Driver side DRIVER SIDE : Removal and Installation REMOVAL Remove the driver side outside handle. Refer to DLK-176, "OUTSIDE HANDLE : Removal and Installation". INSTALLATION Install in the reverse order of removal. Passenger side PASSENGER SIDE : Removal and Installation REMOVA ...

    Power door lock system
    System Diagram System Description DOOR LOCK FUNCTION Х The door lock and unlock switch (driver side) is build into power window main switch. Х Interlocked with the locking operation of door lock and unlock switch, door lock actuators of all doors are locked. Х Interlocked with the unlock ...