Diagnosis Procedure
WARNING: This page is about a different car, the 2018 Nissan Titan XD and 2018 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
- Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait at least 3 minutes or more (to discharge backup capacitor).
- Never use an unspecified tester or other measuring device.
- CHECK HARNESS CONNECTOR
Check the harness connector for disconnection, looseness or damage.
Is the inspection result normal?
YES
GO TO 2 .
NO
Damage: Replace malfunctioning harness and connector.
NO
Disconnection or looseness: Securely lock the connector.
- CHECK WIRING HARNESS
Check the wiring harness externals.
Is the inspection result normal?
YES
GO TO 3 .
NO
Replace malfunctioning harness and connector.
- REPLACE AIR BAG DIAGNOSIS SENSOR UNIT
- Replace air bag diagnosis sensor unit. Refer to Removal and Installation .
- Perform DTC confirmation procedure. Refer to DTC Description .
Is DTC detected?
YES
GO TO 1 .
NO
Inspection End.