Test No. 52: All Power Windows Will Not Operate & Power Door Locks Operate

Check power window master switch by performing power window system current test. See SYSTEM TESTS in POWER WINDOWS - CARS article. It may be necessary to check wiring harness and electrical connectors for power windows and driver' door Electronic Control Unit (ECU) for an intermittent problem. Driver's door ECU is located on the driver's door and is incorporated into the power window switch assembly. See Figure. See WIRING DIAGRAMS in POWER WINDOWS - CARS article. Repair wiring harness or electrical connector as necessary.