Toyota Sienna Service Manual: Power Windows do not Operate at All
DESCRIPTION
If all of the door windows do not operate, no power may be supplied to the power window master switch or the power window master switch itself may have a malfunction.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT FUSE (PWR, ECU-IG, AM1)
- Remove the fuses from the driver side J/B.
- Check the resistance.
Standard resistance: Below 1 Ω
2 INSPECT RELAY (IG1, PWR)
- Remove the relay from the driver side J/B.
- Check the resistance of the relay.
Standard resistance
3 CHECK WIRE HARNESS (TO DRIVER SIDE JUNCTION BLOCK ASSEMBLY)
- Disconnect the 1A, 1H and 1L J/B connectors.
- Check the voltage and resistance between each terminal of the wire harness side connector and the body ground.
Standard voltage
Standard resistance
4 CHECK WIRE HARNESS (TO POWER WINDOW REGULATOR MASTER SWITCH)
- Disconnect the D9 master switch connector.
- Check the voltage or resistance between each terminal of the wire harness side connector and the body ground.
Standard voltage
Standard resistance
5 CHECK WIRE HARNESS (DRIVER SIDE JUNCTION BLOCK - POWER WINDOW MASTER SWITCH)
- Disconnect the 1L and 1K J/B connectors.
- Disconnect the D9 master switch connector.
- Check the resistance between the wire harness side connectors.
Standard resistance
REPLACE DRIVER SIDE JUNCTION BLOCK ASSEMBLY
Manual Up / Down Function does not Operate on Rear RH 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 ...
Power Window can be Operated After Ignition Switch is Turned OFF
Even if Operative Conditions are not Met
DESCRIPTION
The multiplex network body ECU controls power supplied to the power window
master switch and each
regulator switch continuously for 45 seconds after the ignition switch is turned
OFF ...
Other materials:
Standard bolt
HOW TO DETERMINE BOLT STRENGTH
SPECIFIED TORQUE FOR STANDARD BOLTS
HOW TO DETERMINE NUT STRENGTH
HINT:
*: Nut with 1 or more marks on one side surface of the nut.
Use a nut with the same nut strength classification number
(or greater) as the bolt strength classification number ...
Check mode procedure
1. CHECK MODE (SIGNAL CHECK): DTC CHECK
Connect the intelligent tester to the DLC3.
) Turn the ignition switch to the ON position.
) Select the "SIGNAL CHECK", and proceed
checking using the intelligent tester.
NOTICE:
Select the "SIGNAL CHECK" from the &q ...
Initialization
1. RESET SLIDING ROOF MOTOR
If the AUTO operation function does not operate,
reset the sliding roof motor using any of the
following methods.
Press the sliding roof switch on the TILT UP side
and hold it until the sliding roof motor stops.
Then release the switch and leave it untou ...