Inspection Procedure

WARNING: This page is about a different car, the 2004 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT POWER WINDOW REGULATOR MASTER SWITCH ASSY

Fig 1: Power Window Regulator Master Switch Assy Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Remove the master switch.
2. Check the continuity between the terminals of the switch connector when the AUTO switch is operated.
Fig 2: Standard
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSY

OK: Go To Next Step

CHECK WIRE HARNESS (MASTER SWITCH <=> MOTOR) (MASTER SWITCH <=> BODY GROUND)

Fig 3: Identifying D17 Switch Connector And P12 Motor Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Disconnect the D17 switch connector.
Disconnect the P12 motor connector.
Check the continuity between the wire harness side connectors.
Standard:

Fig 4: Wire Harness Side Connectors Terminals Continuity Table
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Check the continuity between the D17 switch connector and the body ground.
Standard:

Fig 5: D17 Switch Connector And Body Ground Terminals Continuity Table
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Reference:

Check operation of the power window motor (driver side).

Remove the motor (See OVERHAUL ).
Apply battery voltage to connector terminals 1 and 2.
Check that the motor gear rotates smoothly.

Fig 6: Checking Operation Of Power Window Motor (Driver Side)

NOTE: Do not apply battery voltage to any terminal except terminals 1 and 2.

STANDARD

Terminal No.	Motor Gear Rotation
Battery positive voltage --> 2 Battery negative voltage --> 1	Clockwise
Battery positive voltage --> 1 Battery negative voltage --> 2	Counterclockwise

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR

OK: REPLACE POWER WINDOW REGULATOR MOTOR ASSY LH (DRIVER SIDE)