Test B: Driver's Power Window Inoperative
- Turn ignition switch to LOCK position. Remove master window/door lock control switch. See WINDOW SWITCH under REMOVAL & INSTALLATION. Disconnect master window/door lock control switch Black 15-pin harness connector C508. Turn ignition switch to RUN position. Measure voltage between ground and master window/door lock control switch Black 15-pin harness connector C508 terminal No. 10 (Red/Light Blue wire). See Figure. 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 master window/door lock control switch Black 15-pin harness connector C508 and Central Junction Box (CJB) fuse No. 43. See WIRING DIAGRAMS . Retest system operation.
- Turn ignition switch to LOCK position. Measure resistance between ground and, in turn, master window/door lock control switch Black 15-pin harness connector C508 terminals No. 7 and 12 (Black wires). See Figure. If both resistance measurements are less than 5 ohms, go to next step. If either resistance measurement is 5 ohms or more, repair open in Black wire(s) between ground and appropriate master window/door lock control switch Black 15-pin harness connector C508 terminal. See WIRING DIAGRAMS . Retest system operation.
- Reconnect master window/door lock control switch Black 15-pin harness connector C508. Disconnect driver's power window motor 2-pin harness connector. Turn ignition switch to RUN position. Measure voltage between driver's power window motor 2-pin harness connector White/Black wire and Yellow wire terminals, while operating master window/door lock control switch in UP position, then in DOWN position. If voltage is more than 10 volts in both measurements, replace driver's power window motor. See WINDOW MOTOR under REMOVAL & INSTALLATION. Retest system operation. If voltage is 10 volts or less in either measurement, check for open or short to ground in White/Black and/or Yellow wire between master window/door lock control switch Black 15-pin harness connector C508 and driver's power window motor 2-pin harness connector. See WIRING DIAGRAMS . Repair as necessary. Retest system operation. If wires are okay, replace driver's power window motor. See WINDOW MOTOR under REMOVAL & INSTALLATION. Retest system operation.