None of the Power Windows Can Be Operated Using Any Switch

None of the Power Windows CAN Be Operated Using Any Switch

1. CHECK BCM POWER SUPPLY AND GROUND CIRCUIT

Check BCM power supply and ground circuit.

Refer to [Power Supply and Ground Circuit Check] Power Supply and Ground Circuit Check.

Is the inspection result normal?
YES
GO TO 2
NO
Repair or replace the malfunctioning parts.

2. CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH

Check main power window switch.

Refer to [Power Supply and Ground Circuit Check [Power Window Main Switch (Crew Cab)] Power Supply and Ground Circuit Check [Power Window Main Switch (Crew Cab)] ] or [Power Supply and Ground Circuit Check [Power Window Main Switch (King Cab)] Power Supply and Ground Circuit Check [Power Window Main Switch (King Cab)] ].

Is the inspection result normal?
YES
GO TO 3
NO
Replace main power window and door lock/unlock switch. Refer to [Power Window Main Switch: Removal and Installation] Power Window Main Switch.

3. CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH POWER SUPPLY AND GROUND CIRCUIT

Check power window switch main power supply and ground circuit.

Refer to [Power Supply and Ground Circuit Check [Power Window Main Switch (Crew Cab)] Power Supply and Ground Circuit Check [Power Window Main Switch (Crew Cab)] ] or [Power Supply and Ground Circuit Check [Power Window Main Switch (King Cab)] Power Supply and Ground Circuit Check [Power Window Main Switch (King Cab)] ].

Is the inspection result normal?
YES
Check intermittent incident. Refer to [Service Information for Electrical Incident: Intermittent Incident] Service Information for Electrical Incident: Intermittent Incident.
NO
Repair or replace the malfunctioning parts.