Preliminary Checks

Confirm concern. Ensure battery is fully charged. Ensure window in question is properly aligned. Check the following for possible cause of malfunction:

• Damaged guide or regulator mechanism.
• Malfunctioning window motor. See POWER WINDOW MOTOR  under COMPONENT TESTS.
• Open or shorted circuit.
• Faulty one-touch down relay.
• Faulty master or passenger switch.
• Faulty battery saver relay.
• Faulty instrument panel fuse block.
• Faulty Generic Electronic Module (GEM).