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:
Changing engine switch modes
Modes can be changed by pressing the engine switch with the brake
pedal released. (The mode changes each time the switch is pressed.)
Off*
Emergency flashers can be used.
ACCESSORY mode
Some electrical components such
as the audio system can be used.
The engine switch indicator tu ...
Power mirror control system (w/o Memory)
PARTS LOCATION
Problem symptoms table
POWER MIRROR CONTROL SYSTEM
Symptom
Suspected area
Mirror does not operate
Outer mirror switch assembly
Outer rear view mirror assembly
Wire harness
Mirror operates abnormally
O ...
Illumination Circuit
DESCRIPTION
The Multiplex network body ECU controls illumination light as shown in the
chart below.
Room light assembly (Interior light, luggage component light) and
courtesy light with DOOR position
Map light assembly (Personal light)
Transponder key amplifier (Ignition ke ...
