Circuit/System Testing

2009 Saturn Astra XR, 4D Hatchback, AutomaticSECTION Circuit/System Testing
  1. Ignition OFF, disconnect the harness connector at the appropriate outside rearview mirror.
  2. Connect a test lamp between the control circuit terminal 1 and the control circuit terminal 3.
  3. Operate the vertical switch UP and DOWN. The test lamp should turn ON when commanding the UP and DOWN 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 the control circuits. If the circuits test normal, replace the front side door window switch.
  4. Connect a test lamp between the control circuit terminal 2 and the control circuit terminal 3.
  5. Operate the vertical switch LEFT and RIGHT. The test lamp should turn ON when commanding the LEFT and RIGHT 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 the control circuits. If the circuits test normal, replace the front side door window switch.
  6. If all circuits test normal, test or replace the outside rearview mirror.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.