Communication System A

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.

BCM INSPECTION
Replace the malfunctioning 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: GO TO 2.
LCU INSPECTION
1. Replace with the previously installed BCM.
2. Replace the LCU 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 LCU.
2. NG: Repair or replace harness.