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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 subwoofer harness connector.
  3. Check the continuity between BOSE speaker amp. harness connector and subwoofer harness connector.
    BOSE speaker amp.SubwooferContinuity
    ConnectorTerminalConnectorTerminal
    B387B661Existed
    32
Is the inspection result normal?
Replace subwoofer . Refer to Removal and Installation.
Repair or replace harness or connectors.