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Diagnosis Procedure
1.CHECK SATELLITE RADIO ANTENNA CONNECTOR
  1. Turn ignition switch OFF.
  2. Visually check satellite radio antenna and antenna feeder.
Is the inspection result normal?
Repair or replace malfunctioning parts.
 
2.CHECK SATELLITE RADIO ANTENNA CIRCUIT CONTINUITY
  1. Disconnect AV control unit harness connector and antenna base harness connector.
  2. Check the continuity between AV control unit harness connector and antenna base harness connector.
    Without BOSE
    AV control unitAntenna baseContinuity
    ConnectorTerminalConnectorTerminal
    M18885R1021Existed
    With BOSE
    AV control unitAntenna baseContinuity
    ConnectorTerminalConnectorTerminal
    M16585R1021Existed
Is the inspection result normal?
Replace roof antenna. Refer to Removal and Installation.
Repair or replace antenna feeder.