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Diagnosis Procedure
1.CHECK COMBINATION METER POWER SUPPLY AND GROUND CIRCUIT
Check combination meter power supply and ground circuit.
Is the inspection result normal?
.
Repair or replace malfunctioning parts.
 
2.CHECK AV COMMUNICATION CIRCUIT
  1. Turn ignition switch OFF.
  2. Disconnect connector of the following unit.
    • AV control unit
    • Combination meter
    • TCU
    • Head up display unit
  3. Check the continuity between AV control unit harness connector and combination meter harness connector.
    AV control unitCombination meterContinuity
    ConnectorTerminalConnectorTerminal
    M102*1
    M124*2
    		22M76*3
    M77*4
    		40Existed
    23
    4239
    43
    *1: Without BOSE
    *2: With BOSE
    *3: With 7 inch information display meter
    *4: With full TFT meter
Is the inspection result normal?
Replace combination meter.
Repair or replace malfunctioning parts.