Communication System C

WARNING: This page is about a different car, the 2003 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.

CONNECTOR INSPECTION
Check the terminals (at the control unit and harness) on BCM and LCU for disconnection, bend, misalignment, and other malfunctions.

OK or NG

OK >> GO TO 2.

NG >> Repair terminals and connectors.
BCM INSPECTION
Replace the BCM with a known-good one, and carry out the communication diagnosis.

Refer to "IVMS COMMUNICATION INSPECTION " (with CONSULT-II), "COMMUNICATION DIAGNOSIS " (without CONSULT-II).

OK or NG

OK >> Replace BCM.

NG >> Repair the communication harness between LCU and BCM.