Communication System C

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

OK or NG 

1. OK: GO TO 2.
2. NG: Repair terminals and connectors.

Replace the BCM with a known-good one, and perform the communication diagnosis.

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

OK or NG 

1. OK: Replace BCM
2. NG: Repair communication harness between LCU and BCM.