Toyota Sienna Service Manual: 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 wire harness may be malfunctioning.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT FUSE (P/W)
- Remove the fuse from the driver side J/B.
- Check the resistance.
Standard resistance: Below 1 Ω
2 CHECK WIRE HARNESS (TERMINAL BW)
- Turn the ignition switch ON.
- Check the voltage between the terminal of the wire harness side connector and the body ground.
Standard voltage
3 INSPECT POWER WINDOW MASTER SWITCH
- Remove the master switch.
- Check the resistance between the terminals of the master switch when the AUTO (driver side) switch is operated, as shown in the table below.
Standard resistance
4 CHECK WIRE HARNESS (MASTER SWITCH - MOTOR) (MASTER SWITCH - BODY GROUND))
- Disconnect the D9 master switch connector.
- Disconnect the P40 motor connector.
- Check the resistance between the wire harness side connectors.
Standard resistance
- Check the resistance between the D9 master switch connector and body ground.
Standard resistance
- Reference: Check operation of the power window motor (driver 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
REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (DRIVER SIDE)
Remote Up / Down Function does not Operate
DESCRIPTION
If the REMOTE UP/DOWN function does not operate, any of the following
troubles may be the cause:
There is an open or short circuit in the wiring between the power
window ma ...
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 CH ...
Other materials:
On-vehicle inspection
1. INSPECT DRIVE BELT
(a) Visually check the drive belt for excessive wear,
frayed cords, etc.
If any defect is found, replace the drive belt.
HINT:
Cracks on the rib side of a belt are considered
acceptable. Replace the belt if there are any
missing ribs.
2. CHECK POWER STEERING FLUID ...
On-vehicle inspection
1. INSPECT SEAT POSITION SENSOR (VEHICLE NOT
INVOLVED IN COLLISION)
Perform a diagnostic system check.
2. INSPECT SEAT POSITION SENSOR (VEHICLE
INVOLVED IN COLLISION)
Perform a diagnostic system check.
Even if the airbag was not deployed, check if there
is any dama ...
Installation
HINT:
Install the RH side by the same procedure as the LH side.
1. INSTALL REAR SPEED SENSOR
(a) Clean the contacting surface of the axle hub and a
new skid control sensor.
NOTICE:
Keep the sensor rotor clean.
(b) Place the speed sensor on the axle hub so that the
connector is positioned ...
