Toyota Sienna Service Manual: Manual Up / Down and Auto Down Function does not Operate on Passenger Side Only
DESCRIPTION
If the manual UP/DOWN function does not operate, the power window motor, the regulator switch or the wire harness may be malfunctioning.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK WIRE HARNESS (POWER SOURCE)
- Disconnect the P37 regulator switch connector.
- Turn the ignition switch ON.
- Check the voltage between the terminal 4 of the wire harness side connector and the body ground.
Standard voltage
2 INSPECT FRONT PASSENGER SIDE POWER WINDOW SWITCH
- Remove the regulator switch.
- Check the resistance between the switch terminals when the switch is operated, as shown in the table below.
Standard resistance
3 CHECK WIRE HARNESS (REGULATOR SWITCH - MOTOR) (REGULATOR SWITCH - BODY GROUND)
- Disconnect the P41 motor connector.
- Check the resistance between the wire harness side connectors.
Standard resistance
- Check the resistance between the P37 regulator switch connector and body ground.
Standard resistance
4 INSPECT POWER WINDOW REGULATOR MOTOR ASSEMBLY (PASSENGER SIDE)
- Remove the motor.
- Apply battery voltage to connector terminals 1 and 2.
- Check that the motor smoothly rotates.
NOTICE: Do not apply battery voltage to any terminals except terminals 1 and 2.
Standard
REPAIR OR REPLACE HARNESS AND CONNECTOR (MASTER SWITCH - REGULATOR SWITCH)
Manual Up / Down and Auto Down Function does not Operate on
Driver Side
DESCRIPTION
If the manual UP/DOWN function does not operate, no power may be supplied to
the power window
master switch or the power window motor. The power window master switch itself
or the wi ...
Manual Up / Down Function does not Operate on Rear LH Only
DESCRIPTION
If the manual UP/DOWN function does not operate, the power window motor, the
regulator switch or the
wire harness may be malfunctioning.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CH ...
Other materials:
Removal
1. RECOVER REFRIGERANT FROM REFRIGERATION
SYSTEM (See page AC-172)
2. REMOVE FRONT WHEEL RH
3. REMOVE FRONT FENDER APRON SEAL RH (See
page EM-26)
4. REMOVE V-RIBBED BELT (See page EM-6)
5. REMOVE RADIATOR AND FAN ASSEMBLY
(See page CO-28)
6. DISCONNECT DISCHARGE HOSE SUB-ASSEMBLY
(a) Re ...
Situations when it is necessary to contact dealers before towing
The following may indicate a problem with your transaxle. Contact
your Toyota dealer or commercial towing service before towing.
The engine is running but the vehicle does not move.
The vehicle makes an abnormal sound
Towing with a sling-type truck
Do not tow with a sling-type truck
to p ...
Removal
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
2. REMOVE STEERING WHEEL NO. 2 LOWER COVER
3. REMOVE STEERING WHEEL NO. 3 LOWER COVER
4. REMOVE HONE BUTTON ASSEMBLY
5. REMOVE STEERING PAD SWITCH LH
Disconnect the connector.
Disconnect the connector of cruise control main
swi ...
