Inspection Procedure

1. Check that the door glass can be operated manually.

NG: OTHER PROBLEM (See  MANUAL UP/DOWN FUNCTION DOES NOT OPERATE ON DRIVER SIDE  ) 

OK: Go To Next Step 

Fig 1: Checking Power Window Regulator Master Switch Assy

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Turn the ignition switch ON.
2. Operate the power window switch on the driver side.
3. Check the blinking pattern of the illumination as shown the illustration.

Fig 2: Identifying Blinking Pattern Of Illumination

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. If the switch indicates (1), proceed to A.
2. If the switch indicates (2) or (3), proceed to B.
3. If the switch indicates normal, proceed to C.

B: Go to step   4 

C: REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSY 

A: Go To Next Step 

1. Turn the ignition switch ON.
2. Open the door glass.
3. Fully pull up the AUTO switch of the power window master switch until the door glass is fully closed.
4. Check that the AUTO UP/DOWN function operates normally.

OK: END 

NG: Go To Next Step 

1. Disconnect the D17 switch connector.
Fig 3: Identifying D17 Switch Connector And P12 Motor Connector (Driver Side)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the P12 motor connector (driver side).
3. Check the continuity between the wire harness side connectors.

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

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