None of the Power Windows Can Operate Using Any Switch

NONE OF THE POWER WINDOWS CAN OPERATE USING ANY SWITCH

System Description
Power windows can be raised or lowered with each sub-switch or the power window main switch located on the driver's door trim when ignition switch is in ON position.
When power window lock switch is locked, no windows can be raised or lowered except for driver's door window.
When ignition switch is in ON position, to fully open/close the driver's door window, press down/pull up completely on automatic switch (main switch) and release it; it needs not be held. The window will automatically open/close all the way. To stop the window, pull up/press down then release the switch.

Possible Cause
- Fuse
- Fusible link
- Circuit breaker
- Power window relay
- Power window main switch
- Circuit open or short

Diagnostic Repair Procedure (for confirmed incidents)
1. Check power supply to power window relay terminals 2 and 3: Battery voltage should exist.
a. Check fuse, fusible link and circuit breaker.
b. Check circuit between fuse and power window relay.
2. Check power supply to power window main switch: Battery voltage should exist.
a. Check circuit between circuit breaker and power window main switch.
3. Check power window relay: Use usual methods for relay testing.
4. Check power window relay ground circuit: Continuity.
5. Check power window main switch ground circuit: Continuity.
6. Check power window main switch.