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Circuit/System Testing

  1. Ignition OFF, disconnect the X1 harness connector at the appropriate outside rearview mirror.
  2. Connect a test lamp between control circuit terminal 1 and control circuit terminal 2.
  3. Command the Mirror Fold to Retract and Extend with a scan tool. The test lamp should turn ON when commanding the retract and extend states.
    • If the test lamp remains OFF during either of the commands, test for a short to voltage, short to ground, or an open/high resistance on either control circuit. If the circuits test normal, replace the door module.
  4. If all circuits test normal, test or replace the outside rearview mirror.
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