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 switch. See POWER WINDOW MASTER SWITCH and/or SINGLE POWER WINDOW SWITCH under COMPONENT TESTING  .
• Malfunctioning window motor. See POWER WINDOW MOTOR under COMPONENT TESTING  .
• Damaged guide or regulator mechanism.
• Open or shorted circuit.