Toyota Sienna Service Manual: Power Window cannot be Operated by Wireless Operation
DESCRIPTION
When the switch on the transmitter is operated during normal operating conditions, the multiplex network body ECU sends a request signal to the master switch and the regulator switches which then drive the applicable power window motors.
INSPECTION PROCEDURE
1 CHECK WIRELESS DOOR LOCK CONTROL FUNCTIONS
- Check that the wireless door lock functions operate with movement of the transmitter switch.
HINT: When the wireless door LOCK/UNLOCK operation can be performed, it means that the wireless signal from the transmitter is properly input to the multiplex network body ECU.
2 CHECK MANUAL UP/DOWN FUNCTION
- Check that the manual UP/DOWN function using the master switch and each regulator switch can operate all the power windows.
3 CHECK REMOTE UP/DOWN FUNCTION
- Check that the remote UP/DOWN function using the master switch can operate the power windows.
REPLACE MULTIPLEX NETWORK BODY ECU
Auto Up Operation does not Fully Close Power Window (Jam
Protection Function is Activated)
DESCRIPTION
If AUTO UP operation does not fully close the power window, the following
conditions may be the cause.
The reset of the power window motor has not been completed,
resulting ...
Power window control system (w/o Jam Protection
Function)
PARTS LOCATION
...
Other materials:
Disassembly
1. REMOVE FRONT SEAT SIDE TABLE LEG COVER (w/
Table)
Using a screwdriver, disengage the claws and
remove the seat side table leg cover.
HINT:
Tape the screwdriver tip before use.
2. REMOVE FRONT SEAT SIDE TABLE (w/ Table)
Remove the 4 nuts and seat side table.
Rem ...
Transponder Chip Malfunction
DTC B2793 Transponder Chip Malfunction
DESCRIPTION
This DTC is output when a malfunction is found in the key during the key code
registration or the key code
is not registered normally. Replace the key when the key code registration is
not performed normally and
this DTC is detected.
IN ...
Precaution
1. REMOVAL AND INSTALLATION OF THE BATTERY TERMINAL
Before performing electrical work, disconnect the
battery negative (-) terminal in order to prevent a
short in the system.
When disconnecting and reconnecting the battery
cable, turn the ignition switch and lighting swit ...
