Nissan Juke Service and Repair Manual : 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.
3. Check the voltage between thermoplunger control unit harness connector and ground.

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.
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:
Information display (speed limiter))
Component Function Check
1.CHECK INFORMATION DISPLAY (SPEED LIMITER) FUNCTION
1. Start engine.
2. Press speed limiter MAIN switch.
3. Drive the vehicle at more than 30 km/h (20 MPH).
CAUTION:
Always drive vehicle at a safe speed.
4. Press SET/ACCELERATE or SET/COAST switch.
5. Perform a te ...
Door lock status indicator does not illuminate
Diagnosis Procedure
1.CHECK DOOR LOCK STATUS INDICATOR
Check door lock status indicator.
Refer to DLK-395, "Component Function Check".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace the malfunctioning parts.
2.CONFIRM THE OPERATION
Conf ...
Inside key antenna
Instrument center
INSTRUMENT CENTER : Removal and Installation
REMOVAL
1. Remove the multi display unit. Refer to AV-125, "Removal and
Installation".
2. Remove the inside key antenna (instrument center) (1) mounting
clip (A), and then remove inside key antenna (instrument
center).
...
