Toyota Sienna Service Manual: 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 master switch and the applicable power window regulator switch.
- The power window master switch has a malfunction.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK POWER WINDOW LOCK SWITCH
- Push the window lock switch OFF (normal) and check that the remote UP/DOWN function operates.
2 CHECK MANUAL UP/DOWN FUNCTION
- Check that the passenger side door window and slide door windows can be operated via each regulator switch.
3 INSPECT POWER WINDOW MASTER SWITCH
HINT: Inspect the switch with the nonoperational remote function.
- Remove the master switch.
- Check the resistance between the terminals of the master switch when each switch is operated, as shown in the table below.
Standard resistance: Passenger side switch
Rear LH switch
Rear RH switch
REPAIR OR REPLACE HARNESS AND CONNECTOR (MASTER SWITCH - EACH REGULATOR SWITCH)
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 n ...
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 ...
Other materials:
Fuel sender gauge
assembly
INSPECTION
1. INSPECT FUEL SENDER GAUGE ASSEMBLY
Disconnect the connector from the fuel sender
gauge.
Check that the float moves smoothly between F and
E.
Measure the resistance between terminals 1 and 2
of the connector according to the value(s) in the
table b ...
Terminals of ECU
1. CENTER AIRBAG SENSOR ASSEMBLY (w/ Side
Airbag)
2. CENTER AIRBAG SENSOR ASSEMBLY (w/o Side
Airbag)
...
Checking and replacing
fuses
If any of the electrical components do not operate, a fuse may
have blown. If this happens, check and replace the fuses as necessary.
Turn the engine switch to the “LOCK” position (vehicles without a
smart key system) or off (vehicles with a smart key system).
Open the fuse box cover.
...
