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.

• 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

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:

    Rear power window switch
    Component Function Check 1. CHECK REAR POWER WINDOW SWITCH FUNCTION Check rear power window motor operation with rear power window switch. Is the inspection result normal? YES >> INSPECTION END NO >> Refer to PWC-24, "Diagnosis Procedure". Diagnosis Procedure 1.CHECK R ...

    Front wiper does not operate
    Description The front wiper does not operate under any operation conditions. Diagnosis Procedure 1.CHECK WIPER RELAY OPERATION CONSULT-III ACTIVE TEST 1. Select “FRONT WIPER” of IPDM E/R active test item. 2. With operating the test item, check front wiper operation. Lo : Front wiper LO operat ...

    Tire equipment
    SUMMER tires have a tread designed to provide superior performance on dry pavement. However, the performance of these tires will be substantially reduced in snowy and icy conditions. If you operate your vehicle on snowy or icy roads, NISSAN recommends the use of MUD & SNOW or ALL SEASON t ...