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Diagnosis Procedure
1.CHECK SOUND SIGNAL CIRCUITS FOR SHORT TO GROUND
  1. Turn electric motor switch OFF.
  2. Disconnect AV control unit harness connector and rear door speaker RH harness connector.
  3. Check the continuity between rear door speaker RH harness connector and ground.
    Rear door speaker RHGroundContinuity
    ConnectorTerminal
    D3021Not existed
    2
Is the inspection result normal?
Replace rear door speaker RH. Refer to Removal and Installation.
Repair or replace harness or connectors.