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Diagnosis Procedure
1.CHECK SOUND SIGNAL CIRCUITS FOR OPEN
  1. Turn ignition switch OFF.
  2. Disconnect BOSE speaker amp. harness connector and rear door speaker LH harness connector.
  3. Check the continuity between BOSE speaker amp. harness connector and rear door speaker LH harness connector.
    BOSE speaker amp.Rear door speaker LHContinuity
    ConnectorTerminalConnectorTerminal
    B3710D2032Existed
    111
Is the inspection result normal?
Replace rear door speaker LH. Refer to Removal and Installation.
Repair or replace harness or connectors.