3. Check Communication Signal (ME-AV)

1. Turn ignition switch ON and display "VEHICLE ELECTRONIC SYSTEMS" screen.
2. Check voltage signal between AV and NAVI control unit harness connector B29 terminal 32 (PU) and ground with CONSULT-ll or oscilloscope. See Figure .

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

OK or NG

1. OK: Replace AV and NAVI control unit.
2. NG: Replace BCM.