Troubleshooting Hints - Power Windows

PERFORM BEFORE BEGINNING SYSTEM DIAGNOSIS
1. Check operation of Retained Accessory Power (RAP), refer to Accessory Delay Module for diagnosis. Accessory Delay Module
2. If all power windows are inoperative, check condition of WINDOWS circuit breaker (by operating sun roof, if equipped).
3. Check that the windows are free of mechanical binding.
4. If a rear window is inoperative from the power window master switch but works from the rear window switch, replace the power window master switch.
5. If LH front windows express down is inoperative but the window operates when the switch is held, replace the power window master switch.
6. If RH front window is inoperative from power window master switch but works from RH front window switch:
^ Check CKT 70 (PNK) for an open.
^ Check that power window master switch connectors are clean and tight.
^ If OK, replace the power window master switch.
7. Check for proper installation of aftermarket electronic equipment which may affect the integrity of other systems. (Refer to "General Troubleshooting Procedures,") Diagnostic Aids