Antenna Amplifier Inspection
- Remove the rear header trim. (See REAR HEADER TRIM REMOVAL/INSTALLATION .)
- Switch the ignition ON.
- Turn the audio unit power to ON.
- Tune in the radio.
- Verify that voltage is B+ at the roof antenna terminal A.
- If the battery voltage cannot be verified, inspect the audio unit and antenna feeder.
- If the battery voltage can be verified, go to the feeder line inspection.