Nissan Juke Service and Repair Manual : 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.
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
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:
Environmental factors influence the rate of corrosion
Moisture
Accumulation of sand, dirt and water on the vehicle body underside can accelerate
corrosion.
Wet floor coverings will not dry completely inside the vehicle, and should be
removed for drying to avoid floor panel corrosion.
Relative humidity
Corrosion will be accelerated in areas of h ...
Sensor rotor
Front sensor rotor : Removal and Installation
REMOVAL
Replace wheel hub as an assembly when replacing because sensor rotor cannot
be disassembled. Refer to
FAX-43, "Removal and Installation".
INSTALLATION
Replace wheel hub as an assembly when replacing because sensor rotor cannot ...
Service data and specifications (SDS)
General Specifications
Steering Wheel Axial End Play and Play
Steering Wheel Turning Force
Steering Angle
Steering Column Operating Range
*: For measuring position, refer to ST-11, "Inspection".
Rack Stroke
Socket Swing Force
*: For measuring position, refer to ST-21, ...
