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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 >> 3. Check Communication Signal (ME-AV)

3. Check Communication Signal (ME-AV)

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. Turn ignition switch to ON and display "VEHICLE ELECTRONIC SYSTEMS" screen.
  2. Check voltage signal between AV control unit harness connector M77 terminal 35 (PU) and ground with CONSULT-II or oscilloscope. See Figure .

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

OK or NG

  1. OK: Replace AV control unit.
  2. NG: Replace combination meter.
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