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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> 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 >> Passenger Power Window Inoperative

Passenger 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 harness connector at the passenger window switch.
  2. Test for less than 1 ohm between the ground circuit terminal F 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 G 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 D 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 a test lamp between the signal circuit terminal C and ground.
  6. Command the passenger window DOWN using the RF window switch on the driver master control, the test lamp should illuminate during the DOWN command.
    • If the test lamp is always OFF, test the signal circuit for a short to ground or open/high resistance. If the circuit tests normal, replace the driver window switch.
    • If the test lamp is always ON, test the signal circuit for a short to voltage. If the circuit tests normal, replace the driver window switch.
  7. Connect a test lamp between the signal circuit terminal A and ground.
  8. Command the passenger window UP using the RF window switch on the driver master control, the test lamp should illuminate during the UP command.
    • If the test lamp is always OFF, test the signal circuit for a short to ground or open/high resistance. If the circuit tests normal, replace the driver window switch.
    • If the test lamp is always ON, test the signal circuit for a short to voltage. If the circuit tests normal, replace the driver window switch.
  9. Ignition OFF, connect the harness connector passenger window switch and disconnect the harness connector at the passenger window motor.
  10. 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 passenger window switch.
  11. Connect a test lamp between the control circuit terminal A and control circuit terminal B.
  12. Command the passenger 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 remains OFF during either of the commands, test either control circuit for a short to ground. If the circuits test normal, replace the passenger window switch.
  13. If all circuits test normal, test or replace the passenger window motor.
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