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
1. Turn ignition switch ON.
2. Connect CONSULT and check for "ENGINE" diagnostic trouble codes.
3. Check for DTC P0581-00 being current on the CONSULT screen.
Is applicable DTC detected?

YES

Refer to DTC Index .

NO

GO TO 2 .
CHECK DTC PRIORITY
Check for DTC P0579-00 being current on the CONSULT screen.

Is applicable DTC detected?

YES

GO TO 3 .

NO

Refer to Intermittent Incident .
INSPECT ECM AND CONNECTOR PINS
1. Turn ignition switch OFF.
2. Disconnect ECM connector E93.
3. Disconnect ASCD steering switch connector M30.
4. Inspect the harnesses and module and switch 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

Refer to Intermittent Incident .

NO

Repair or replace error-detected parts.