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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/AN3/DL3) >> Circuit/System Testing >> Passenger Window Malfunction

Passenger Window Malfunction

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 PDS.
  2. Test for less than 1 ohm between the ground circuit terminal 6 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 2 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 B+ circuit terminal 4 and ground.
    • If the test lamp does not illuminate, test the B+ circuit for a short to ground or an open/high resistance.
  5. Ignition OFF, connect the X1 harness connector at the PDS.
  6. Ignition ON, observe the scan tool Passenger Window Switch parameters while using the passenger power window switch. The parameter should change between Off, Up, Down and Express Down.
    • If the parameter does not change, replace the PDS
  7. Ignition OFF, disconnect the harness connector at the passenger window motor.
  8. Connect a test lamp between the control circuit terminal A and control circuit terminal B.
  9. Ignition ON, 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 is always OFF during either of the commands, test either control circuit for a short to ground or open/high resistance. If the circuits test normal, replace the PDS
    • If the test lamp is always ON, test either control for a short to voltage. If the circuits test normal, replace the PDS.
  10. If all circuits test normal, test or replace the passenger window motor.
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