Diagnosis Procedure
1.
CHECK ANTENNA CONNECTOR
Turn ignition switch OFF.
Visually inspect radio antenna, antenna feeder and antenna connector.
Is the inspection result normal?
.
Repair or replace malfunctioning parts.
2.
CHECK ANTENNA CIRCUIT CONTINUITY
Disconnect AV control unit harness connector and antenna base harness connector.
Check continuity between AV control unit harness connector and antenna base harness connector.
Without BOSE
AV control unit
Antenna base
Continuity
Connector
Terminal
Connector
Terminal
M183
83
R102
3
Existed
With BOSE
AV control unit
Antenna base
Continuity
Connector
Terminal
Connector
Terminal
M142
83
R102
3
Existed
Is the inspection result normal?
Replace roof antenna. Refer to
Removal and Installation
.
Repair or replace antenna feeder.