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Home >> Infiniti >> 2004 >> Q45 >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Remote Keyless Entry >> Remote Keyless Entry System >> On Board Diagnosis >> Communication System B >> 2. LCU Inspection

2. 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 

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