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)
Data list / active test
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 & ...
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 ...
Other materials:
Door control switch
INSPECTION
1. INSPECT DOOR CONTROL SWITCH ASSEMBLY
Measure the resistance according to the value(s) in
the table below.
Standard resistance
HINT:
If the result is not as specified, replace the switch. ...
DTC check / clear
HINT:
Illustrations may differ from the actual vehicle depending
on the device settings and options. Therefore, some
detailed areas may not be shown exactly the same as on
the actual vehicle.
If the system cannot enter the diagnostic mode, inspect all AVC-LAN
communication ...
Removal
1. Remove windshield wiper motor assembly
hint:
(see page ww-4)
2. Remove front outer cowl top panel subassembly
(see page em-27)
3. Drain engine coolant (see page co-6)
4. Remove v-bank cover sub-assembly (see
page em-28)
5. Remove no. 2 Air cleaner inlet (see page em-
28)
6. Remove no. 1 ...
