Communication System B
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 the malfunctioning LCU for disconnection, bend, and other malfunctions.
OK or NG
OK >> GO TO 2.
NG >> Repair terminals and connectors.
- LCU INSPECTION
Replace the LCU with a known-good one, and perform the communication diagnosis. Refer to "IVMS COMMUNICATION INSPECTION " (with CONSULT-II), "COMMUNICATION DIAGNOSIS " (without CONSULT-II).
OK or NG
OK >> Replace LCU.
NG >> Repair communication harness between the indicated LCU and BCM.