FixVault
Home › Infiniti › 2004 › Q45 › Repair and Diagnosis › Electrical › Gauges › Driver Information System › Vehicle Information And Integrated Switch System/With Navigation System › Vehicle Condition Setting Is Not Possible › 2. Check Communication Signal (AV-ME)

2. Check Communication Signal (AV-ME)

  1. Connect connectors of combination meter, BCM, and AV and NAVI control unit.
  2. Turn ignition switch ON.
  3. Check voltage signal between AV and NAVI control unit harness connector B29 terminal 33 (LG) and ground with CONSULT-ll or oscilloscope. See Figure .

    33 (LG) - Ground: Refer to TERMINALS AND REFERENCE VALUE FOR AV AND NAVI CONTROL UNIT  .

OK or NG

  1. OK: GO TO 3  .
  2. NG: Replace AV and NAVI control unit
About FixVault