Nissan Juke Service and Repair Manual : 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.
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 SIGNAL CIRCUIT FOR OPEN AND SHORT-I
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 5.
NO >> GO TO 4.
4.DETECT MALFUNCTIONING PART
Check the following.
• Harness for open or short between thermoplunger control unit and ECM.
>> Repair open circuit or short to ground or short to power in harness or connectors.
5.CHECK THERMOPLUNGER CONTROL UNIT SIGNAL CIRCUIT FOR OPEN AND SHORT-II
1. Disconnect thermoplunger harness connector.
2. Check the continuity between thermoplunger control unit harness connector and thermoplunger harness connector.

3. Also check harness for short to ground and short to power.
Is the inspection result normal? YES >> GO TO 6.
NO >> Repair open circuit or short to ground or short to power in harness or connectors.
6.CHECK THERMOPLUNGER
Refer to EC-994, "Component Inspection".
Is the inspection result normal? YES >> GO TO 7.
NO >> Replace malfunctioning Thermoplunger.
7.CHECK INTERMITTENT INCIDENT
Refer to GI-42, "Intermittent Incident".
Is the inspection result normal? YES >> Replace thermoplunger control unit.
NO >> Repair or replace.
Component Inspection
1.CHECK THERMOPLUNGER
1. Turn ignition switch OFF.
2. Disconnect thermoplunger harness connector.
3. Check resistance between thermoplunger terminals as follows.

Is the inspection result normal? YES >> INSPECTION END
NO >> Replace malfunctioning thermoplunger.
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 ...
P2002 diesel particulate filter
DTC Logic
DTC DETECTION LOGIC
Diagnosis Procedure
1.CHECK DIESEL PARTICULATE FILTER
Refer to EC-995, "Component Inspection".
OK or NG
OK >> INSPECTION END
NG >> GO TO ...
Other materials:
Thermo plunger unit
Exploded View
1. Side member LH
2. Thermo plunger control unit
3. Thermo plunger relay
4. Thermo plunger connector
5. Earth lead
6. Thermo plunger unit
7. Bracket stay
Vehicle front
: N·m (kg-m, in-lb)
Removal and Installation
REMOVAL
1. Remove battery cable from the negative ter ...
Engine cooling system
The engine cooling system is filled at the factory with a pre-diluted mixture
of 50% Genuine NISSAN Long Life Antifreeze/Coolant (blue) and 50% water to provide
year-round anti-freeze and coolant protection. The anti-freeze solution contains
rust and corrosion inhibitors. Additional engine coo ...
P2119 electric throttle control function
DTC Logic
DTC DETECTION LOGIC
Diagnosis Procedure
1.CHECK INTERMITTENT INCIDENT
Refer to GI-42, "Intermittent Incident".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace.
2.REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR
1. Replace electric t ...
