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:
Light Control Switch Circuit
DESCRIPTION
This circuit detects the state of the headlight dimmer switch.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 READ VALUE OF INTELLIGENT TESTER
Connect the intelligent tester to DLC3.
Turn the ignition switch ON and push the intelligent
tester main switch ON.
Select t ...
Setting up intuitive parking assist
You can change the buzzer sound volume and the screen operating
conditions.
Press the “APPS” button.
Select “Setup” on the screen.
Select “Vehicle” on the screen.
Select “TOYOTA Park Assist Settings” on the screen.
Select the desired item.
The buzzer sound volu ...
Only Back Door cannot be Opened
DESCRIPTION
With power back door: The signal for manual locking/unlocking operation of
the driver/passenger side
door and the signal for locking/unlocking operation interlocked with the driver
side door key cylinder are
sent to the back door ECU from the body ECU using the MPX line. In respon ...
