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Circuit/System Testing

WARNING: This page is about a different car, the 2010 Saturn Outlook, 2010 GMC Acadia, 2010 Chevrolet Traverse, and 2010 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the harness connector at the passenger window motor.
  2. Test for less than 1 ohm between the control circuit terminal A and ground.
    • If greater than the specified range, test the control circuit for a short to voltage or an open/high resistance. If circuit tests normal, replace the PDM.
  3. Test for less than 1 ohm between the control circuit terminal B and ground.
    • If greater than the specified range, test the control circuit for a short to voltage or an open/high resistance. If circuit tests normal, replace the PDM.
  4. Connect a test lamp between the control circuit terminal A and control circuit terminal B.
  5. Ignition ON, command the window UP and DOWN by using the passenger window switch. The test lamp should illuminate when commanding the UP and DOWN states.
    • If the test lamp does not illuminate during either of the commands, test either control circuit for a short to ground. If the circuits test normal, replace the PDM.
  6. If all circuits test normal, test or replace the passenger window motor.
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