Toyota Sienna Service Manual: 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 CHECK WIRE HARNESS (POWER SOURCE)
- Disconnect the P39 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 POWER WINDOW REGULATOR SWITCH (REAR RH)
- 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 - MOTOR) (REGULATOR SWITCH - BODY GROUND)
- Disconnect the P43 motor connector.
- Check the resistance between the wire harness side connectors.
Standard resistance
- Check the resistance between the P39 regulator switch connector and body ground.
Standard resistance
4 INSPECT POWER WINDOW REGULATOR MOTOR ASSEMBLY (REAR RH)
- 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 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 ...
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
...
Other materials:
Throttle / Pedal Position Sensor / Switch "A/B"
Circuit
DTC P0120 Throttle / Pedal Position Sensor / Switch "A"
Circuit
DTC P0122 Throttle / Pedal Position Sensor / Switch "A"
Circuit Low Input
DTC P0123 Throttle / Pedal Position Sensor / Switch "A"
Circuit High Input
DTC P0220 Throttle / Pedal Position Sensor / Switch ...
Removal
1. DRAIN BRAKE FLUID
NOTICE:
Wash brake fluid off immediately if it adheres to any
painted surface.
2. DISCONNECT BATTERY NEGATIVE TERMINAL
3. REMOVE AIR CLEANER ASSEMBLY WITH HOSE
4. REMOVE BRAKE ACTUATOR WITH BRACKET
(a) Release the latch of the brake actuator connector to
disconnect t ...
Diagnosis system
1. CHECK DLC3
(a) The vehicle's ECM uses the ISO 15765-4 for
communication. The terminal arrangement of the
DLC3 complies with SAE J1962 and matches the
ISO 15765-4 format.
HINT:
Connect the cable of the intelligent tester to the
DLC3, turn the ignition switch to the ON position
and atte ...
