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Circuit/System Testing

  1. Ignition OFF, disconnect the radio antenna coax cable from the A11 Radio and from the T23L Radio Antenna Amplifier-Left.
  2. 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 
  3. Connect the antenna coax cable to the A11 Radio. Ignition On/Vehicle in Service Mode. Infotainment system ON.
  4. Verify a test lamp illuminates between the antenna coax cable center terminal and ground at the T23L Radio Antenna Amplifier-Left connector.
    • If the test lamp does not illuminate 

      Replace the A11 Radio.

    • If the test lamp illuminates 
  5. Test or replace the T23L Radio Antenna Amplifier-Left.
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