Communication System A

Replace BCM with a known-good one, and carry out the communication diagnosis. Refer to "IVMS COMMUNICATION INSPECTION ".

OK or NG 

1. OK: Replace BCM
2. NG: GO TO 2.

1. Replace with the previously installed BCM.
2. Replace LCU with a known-good one, and carry out the communication diagnosis. Refer to "IVMS COMMUNICATION INSPECTION ".

OK or NG 

1. OK: Replace LCU
2. NG: Perform the following.
   • Repair or replace harness.
   • Replace with the previously installed LCU.