Antenna, Radio: Testing and Inspection

CENTER ROOF ANTENNA INSPECTION

Without SIRIUS Satellite Radio System

4SD

- Verify that there is no continuity between the center roof antenna terminals A and C.





- Inspect for continuity between the center roof antenna terminals.

- If not as indicated in the table, replace the center roof antenna.






5HB

NOTE:
- The center roof antenna has a built-in antenna amplifier.

Antenna amplifier inspection
- Turn the audio unit on and select the radio, then measure the voltage at center roof antenna connector terminal A.






- If the voltage is B+, go to the Feeder Line Inspection.
- If the voltage is not B+, inspect the audio unit or antenna feeder.

Feeder line inspection
- Verify that there is no continuity between the center roof antenna terminals A and E using an ohmmeter.





- Inspect for continuity between the center roof antenna terminals using an ohmmeter.

- If not as indicated in the table, replace the center roof antenna.






With SIRIUS Satellite Radio System

1. Verify that there is no continuity between the center roof antenna terminals A and F.






2. Inspect for continuity between the center roof antenna terminals.

- If not as indicated in the table, replace the center roof antenna.