Pinpoint Test A - Power Window System Inoperative
- Power Window Function Test: Turn ignition on. Test all windows. If all power windows operate, system is functioning normally. If any window fails to operate, go to next step.
- Driver's Power Window Operation Check: Repeat step 1). If all windows except driver's window operate, go to step 5). If any or all windows except driver's window fail to operate, go to next step.
- Passenger's Power Window Operation Check: Repeat step 1). If no passenger windows work, go to next step. If any passenger window operate, check circuit for inoperative window. Repair wiring as necessary.
- Power Window Operation Test: Repeat step 1). if all windows operate, go to next step. If all passenger windows fail to operate, repair open in Yellow/Light Green wire between instrument panel fuse panel and DDM. Retest system.
- Master Power Window Switch Test: Connect New Generation Star (NGS) test to Data Link Connector (DLC). While holding driver's power window switch for downward operation, request DDM (Driver's Door Module) WINDOW SWITCH STATUS PID. If PID indicates driver's power window switch is down, go to next step. If PID does not indicate driver's power window switch is down, repair Tan/Black wire. Also check power window master switch. See MASTER SWITCH under COMPONENT TESTING. Repair or replace as necessary.
- Bypass DDM: Unplug 18-pin connector from DDM. Using a jumper wire, connect Red and Pink/Light Green wires. Attempt to operate driver's power window from master switch. If power window operates, replace DDM. See DRIVER'S DOOR MODULE (DDM) under REMOVAL & INSTALLATION. Retest system. If power window does not operate, Repair open in White/Black wire between power window master switch and power window motor. Retest system.