Avalon (Driver's Window)

Disconnect window motor harness connector. Connect voltmeter positive lead to terminal No. 3 and negative voltmeter lead to terminal No. 5 at window motor harness connector. Apply battery voltage to terminal No. 1, and connect negative battery lead to terminal No. 2 at window motor harness connector. Pulse should be generated with window motor running. Reverse polarity of battery leads. Pulse should be generated with window motor running in opposite direction. If generated pulse is not as specified, replace window motor assembly. See POWER WINDOW MOTOR  under REMOVAL & INSTALLATION.