Diagnosis Procedure
WARNING: This page is about a different car, the 2018 Nissan Titan XD. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK DTC PRIORITY
- Turn ignition switch ON.
- Connect CONSULT and check for "ENGINE" diagnostic trouble codes.
- Check for DTC P0677-00, P068C-00 or P068D-00 being current on the CONSULT screen.
Is applicable DTC detected?
YES
Refer to DTC Index .
NO
GO TO 2 .
- CHECK DTC PRIORITY
- Turn ignition switch ON.
- Connect CONSULT and check for "ENGINE" diagnostic trouble codes.
- Check for DTC P06BF-00 being current on the CONSULT screen.
Is applicable DTC detected?
YES
GO TO 3 .
NO
Refer to Intermittent Incident .
- INSPECT GLOW PLUG CONTROL MODULE AND CONNECTOR PINS
- Turn ignition switch OFF.
- Disconnect glow plug control module connector F103.
- Inspect the harness and module connector pins for the following:
- Loose connector
- Corroded pins
- Bent or broken pins
- Pushed back or expanded pins
- Moisture in or on the connector
- Missing or damaged connector seals
- Dirt or debris on or in the connector pins
- Connector shell broken
- Wire insulation damage
- Damaged connector locking tab
Is the inspection result normal?
YES
GO TO 4 .
NO
Repair or replace error-detected parts.
- CHECK GLOW PLUG NO. 7
- Turn ignition switch OFF.
- Disconnect glow plug control module connector F103.
- Check resistance between glow plug control module connector F103 and ground.
Glow plug control module
Ground
Resistance
Connector
Terminal
F103
28
-
< 1.5 Ω
Is the inspection result normal?
YES
Replace glow plug control module. Refer to Removal and Installation .
NO
GO TO 5 .
- CHECK GLOW PLUG NO. 7 CIRCUIT
- Disconnect glow plug no. 7 connector F120.
- Check resistance between glow plug no. 7 terminal 1 and ground.
Glow plug no. 7 terminal
Ground
Resistance
1
-
< 1.0 Ω
Is the inspection result normal?
YES
Repair or replace the glow plug harness for an open.
NO
Replace glow plug no. 7. Reefer to Removal and Installation .