Communication System C
WARNING: This page is about a different car, the 2004 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK HARNESS CONNECTOR
Check terminals (at the control unit and harness) on BCM and LCU for disconnection, bend, loose connection, and other malfunctions.
OK or NG
- OK: GO TO 2.
- NG: Repair the terminals and connectors.
- CHECK BCM
Replace the malfunctioning BCM with a known-good one, and carry out the communication diagnosis. Refer to IVMS Communication Diagnosis .
OK or NG
- OK: The harness and connector is checked, and it is normal, replace BCM.
- NG: Repair the harness between the LCU and BCM control.