Power Window Master Switch Illumination Test: Corolla

Disconnect driver's power window master switch connector. Connect 30-amp fused jumper from 12-volt battery positive terminal to driver's power window master switch terminal No. 11. See Figure. Connect another jumper from battery negative terminal to driver's power window master switch terminal No. 4. Ensure all switches illuminate. If operation is not as specified, replace driver's power window master switch. If operation is as specified, driver's power window master switch is okay.