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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1304 (Fixed & MOVEABLE Window System) >> Diagnostic Information and Procedures >> Power Windows Malfunction (A31 without AN3, DL3) >> Circuit/System Testing >> Driver Power Window Inoperative

Driver Power Window Inoperative

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the X2 harness connector at the driver window switch.
  2. Test for less than 1 ohm between the ground circuit terminal A and ground.
    • If greater than the specified range, test the ground circuit for an open/high resistance.
  3. Ignition ON, verify that a test lamp illuminates between the B+ circuit terminal H and ground.
    • If the test lamp does not illuminate, test the B+ circuit for a short to ground or an open/high resistance.
  4. Verify that a test lamp illuminates between the ignition circuit terminal G and ground.
    • If the test lamp does not illuminate, test the ignition circuit for a short to ground or an open/high resistance
  5. Connect the X2 harness connector at the driver window switch. Disconnect the harness connector at the driver window motor.
  6. Test for less than 1 ohm between the control circuit terminal listed below and ground.
    • Terminal A
    • Terminal B
    • If greater than the specified range, test the control circuit for a short to voltage or an open/high resistance. If the circuit tests normal, replace the driver window switch.
  7. Connect a test lamp between the control circuit terminal A and control circuit terminal B.
  8. Command the driver window UP and DOWN by using the driver window switch. The test lamp should illuminate when commanding the UP and DOWN states.
    • If the test lamp remains OFF during either of the commands, test either control circuit for a short to ground. If the circuits test normal, replace the driver window switch.
  9. If all circuits test normal, test or replace the driver window motor.
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