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Home >> Chevrolet >> 2006 >> Cobalt LTZ >> Repair and Diagnosis >> External Pages >> Different car >> Section 643 (Fixed & MOVEABLE Window Systems) >> Diagnostic Information and Procedures >> Power Windows Inoperative - All (Coupe) >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2007 Pontiac G5 Pursuit, 2007 Pontiac G5, and 2007 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.

Driver Window Switch

  1. Ignition OFF, disconnect the harness connector at the driver window switch.
  2. Test for infinite resistance between the signal terminals A and D and the B+ circuit terminal C with the passenger window switch in the INACTIVE position.
    • If less than infinite resistance, replace the driver window switch.
  3. Test for less than 2 ohms of resistance between the signal terminal A and the B+ circuit terminal C with the passenger window switch in the UP position.
    • If greater than 2 ohms, replace the driver window switch.
  4. Test for less than 2 ohms of resistance between the signal terminal D and the B+ circuit terminal C with the passenger window switch in the DOWN position.
    • If greater than 2 ohms, replace the driver window switch.
  5. Test for infinite resistance between the signal terminals G and H and the B+ circuit terminal C with the driver window switch in the INACTIVE position.
    • If less than infinite resistance, replace the driver window switch.
  6. Test for less than 2 ohms of resistance between the signal terminal G and the B+ circuit terminal C with the driver window switch in the UP position.
    • If greater than 2 ohms, replace the Driver Window switch.
  7. Test for less than 2 ohms of resistance between the signal terminal H and the B+ circuit terminal C with the driver window switch in the DOWN position.
  8. If greater than 2 ohms, replace the driver window switch.

Passenger Window Switch

  1. Ignition OFF, disconnect the harness connector at the passenger window switch.
  2. Test for infinite resistance between the signal terminals G and F and the B+ circuit terminal A with the switch in the INACTIVE position.
    • If less than infinite resistance, replace the passenger window switch.
  3. Test for less than 2 ohms of resistance between the signal terminal G and the B+ circuit terminal A with the switch in the UP position.
    • If greater than 2 ohms, replace the passenger window switch.
  4. Test for less than 2 ohms of resistance between the signal terminal F and the B+ circuit terminal A with the switch in the DOWN position.
    • If greater than 2 ohms, replace the passenger window switch.

Window Motor

  1. Install a 30-amp fused jumper wire between the control terminal A and 12 volts. Momentarily install a jumper wire between the control terminal B and ground. The appropriate window motor should perform the UP or DOWN function.
    • If the function does not perform as specified, replace the appropriate window motor.
  2. Reverse the jumper wires; the appropriate window motor should perform the DOWN or UP function.
    • If the function does not perform as specified, replace the appropriate window motor.
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