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Home >> Infiniti >> 2002 >> Q45 >> Repair and Diagnosis >> External Pages >> Different car >> Section 218 (Driver Information System) >> Vehicle Information And Integrated Switch System/Without Navigation System >> Vehicle Condition Setting Is Not Possible >> 2. Check Communication Signal (AV-ME)

2. Check Communication Signal (AV-ME)

WARNING: This page is about a different car, the 2004 Infiniti Q45. However, it is still accessible from the selected car via links, so may be relevant.
  1. Connect connectors of AV control unit, combination meter and BCM.
  2. Turn the ignition switch ON.
  3. Check voltage signal between AV control unit harness connector M77 terminal 34 (LG) and ground with CONSULT-II or oscilloscope. See Figure .

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

OK or NG

  1. OK: GO TO 3  .
  2. NG: Replace AV control unit.
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