Troubleshooting Hints

WARNING: This page is about a different car, the 2012 Mitsubishi Lancer. However, it is still accessible from the selected car via links, so may be relevant.

The power window main switch may be defective
The front power window motor (LH) may be defective
The wiring harness or connectors may have loose, corroded, or damaged terminals, or terminals pushed back in the connector