Toyota Sienna Service Manual: Auto Up / Down Function does not Operate
DESCRIPTION
If the AUTO UP/DOWN function does not operate, any of the following troubles
may be the cause:
- When the PWR fuse or the power window relay (Marking: PWR) is
replaced with new ones, or when
the battery terminal and the connector of the power window master switch are
disconnected, the power
window memory of the fully closed position which is recorded in the power
window master switch is
erased.
- The pulse sensors in the driver side power window motor have a
malfunction.
- There is an open or short circuit in the wiring between the power
window master switch and the driver
side power window motor.
- The power window master switch has a malfunction.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK MANUAL UP/DOWN FUNCTION (DRIVER SIDE)
- Check that the door glass can be operated manually.
2 CHECK ILLUMINATION OF POWER WINDOW MASTER SWITCH
- Turn the ignition switch ON.
- Operate the AUTO (drive side) switch of the master
switch.
- Check the blinking pattern of the AUTO light as shown in
the illustration.
- If pattern (1) is displayed, proceed to A.
- If pattern (2) or (3) is displayed, proceed to B.
- If the normal pattern is displayed, proceed to C.
3 RESET POWER WINDOW REGULATOR MOTOR
4 CHECK WIRE HARNESS (MASTER SWITCH - MOTOR) (MASTER SWITCH - BODY
GROUND)
- Disconnect the D9 master switch connector.
- Disconnect the P40 motor connector (driver side).
- 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
REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (DRIVER SIDE)
1. USING INTELLIGENT TESTER
Connect the intelligent tester to the DLC3.
Monitor the ECU data by following the prompts on
the tester screen.
HINT:
The intelligent tester has a & ...
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 ...
Other materials:
Starter Relay Circuit High
MONITOR DESCRIPTION
While the engine is being cranked, the positive battery voltage is applied to
terminal STA of the ECM.
If the ECM detects the Starter Control (STA) signal while the vehicle is being
driven, it determines that
there is a malfunction in the STA circuit. The ECM then il ...
Glossary of tire terminology
Tire related term
Meaning
Cold tire inflation
pressure
Tire pressure when the vehicle has been
parked for three hours or more, or has not
been driven more than 1 mile or 1.5 km under
that condition
Maximum inflation
pressure
The maximum cold i ...
Removal
1. RECOVER REFRIGERANT FROM REFRIGERATION
SYSTEM (See page AC-172)
2. REMOVE FRONT WIPER ARM HEAD CAP (See page
WW-4)
3. REMOVE FRONT WIPER ARM RH (See page WW-4)
4. REMOVE FRONT WIPER ARM LH (See page WW-4)
5. REMOVE COWL TOP VENTILATOR LOUVER SUBASSEMBLY
(See page WW-4)
6. REMOVE WINDSHIEL ...