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Circuit/System Testing

  1. Ignition OFF, radio OFF, radio B+ fuse removed, disconnect the X3 connector at the T3 audio amplifier.
  2. Reinstall the radio B+ fuse. Ignition ON, radio ON, verify that a test lamp illuminates between the entertainment remote enable circuit Audio Amplifier X3 terminal 13 and ground.
    • If the test lamp does not illuminate, test the entertainment remote enable circuit for a short to ground or an open/high resistance. If the circuit tests normal replace the Radio.
  3. If all circuits test normal, replace the T3 audio amplifier.
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