Circuit/System Testing

Ignition OFF, disconnect the radio antenna coax cable from the A11 Radio and from the Radio Antenna Amplifier/Module.
Verify the antenna coax cable passes the coax cable component test. Refer to Component Testing .
- If the coax cable does not pass the test
  Replace the antenna coax cable
- If the coax cable passes the test
Connect the antenna coax cable to the A11 Radio. Ignition ON, infotainment system ON.
Verify a test lamp illuminates between the antenna coax cable center terminal and ground at the Radio Antenna Amplifier/Module connector.
- If the test lamp does not illuminate
  Replace the A11 Radio.
- If the test lamp illuminates
Test or replace the Radio Antenna Amplifier/Module.