Test B: Driver Door Window Does Not Operate
- Check For Voltage To Driver Door Master Window Switch - Remove and disconnect driver door master window switch. See WINDOW SWITCH under REMOVAL & INSTALLATION. Turn ignition switch to RUN position. Using a voltmeter, check voltage between ground and driver door master window switch connector C500 terminal No. 10 (Red/Light Blue wire). If voltage is more than 10 volts, go to next step. If voltage is 10 volts or less, repair open in Red/Light Blue wire between driver door master window switch and instrument panel fuse block fuse No. 21. Retest system operation.
- Check For Open Ground Circuit - Turn ignition off. Using an ohmmeter, check resistance between ground and driver door master window switch connector Black wire terminals. If both resistance measurements are less than 5 ohms, go to next step. If any resistance measurements are 5 ohms or more, repair open in Black wire(s) between driver door master window switch and ground. Retest system operation.
- Check For Voltage To Driver Door Window Motor - Reconnect driver door master window switch connector. Disconnect driver door window motor connector. Turn ignition switch to RUN position. Using a voltmeter, check voltage between ground and driver door window motor connector White/Black wire terminal with left window switch (on driver door master window switch) held in UP position. Check voltage between ground and driver door window motor connector Yellow wire terminal with left window switch (on driver door master window switch) held in DOWN position. If voltage is 10 volts or less at both circuits, go to next step. If voltage is more than 10 volts at both circuits, replace driver door window motor and retest system operation.
- Check White/Black & Yellow Wires For Open Or Short To Ground - Check for open or short to ground in White/Black or Yellow wire between driver door master window switch and driver door window motor. If wires are okay, replace driver door window motor and retest system operation.