Toyota Sienna Service Manual: Inspection
1. INSPECT SEAT HEATER SWITCH LH
- Measure the resistance of the seat heater switch when the switch is operated.
Resistance
If the result is not as specified, replace the switch.
HINT: As the dial is being turned, the resistance changes gradually.
- Push the seat heater switch ON and check that the
seat heater switch indicator illuminates when the
switch is operated.
OK
If the result is not as specified, replace the switch.
- Check the seat heater switch illumination.
OK
If the result is not as specified, replace the seat heater switch or bulb.
2. INSPECT SEAT HEATER SWITCH RH
- Measure the resistance of the seat heater switch when the switch is operated.
Resistance
If the result is not as specified, replace the switch.
HINT: As the dial is being turned, the resistance changes gradually.
- Push the seat heater switch ON and check that the seat heater switch indicator illuminates when the switch is operated.
OK
If the result is not as specified, replace the switch.
- Check the seat heater switch illumination.
OK
If the result is not as specified, replace the seat heater switch or bulb.
3. INSPECT FRONT SEAT BACK HEATER ASSEMBLY LH
- Measure the resistance of the seatback heater.
Resistance
If the result is not as specified, replace the seatback heater assembly.
4. INSPECT FRONT SEAT BACK HEATER ASSEMBLY RH
- Measure the resistance of the seatback heater.
Resistance
If the result is not as specified, replace the seatback heater assembly.
5. INSPECT FRONT SEAT CUSHION HEATER ASSEMBLY LH
- Measure the resistance of the seat cushion heater.
Resistance
If the result is not as specified, replace the seat cushion heater assembly.
6. INSPECT FRONT SEAT CUSHION HEATER ASSEMBLY RH
- Measure the resistance of the seat cushion heater.
Resistance
If the result is not as specified, replace the seat cushion heater assembly.
On-vehicle inspection
1. CHECK SEAT HEATER CONTROL (WIRE HARNESS
SIDE)
Disconnect the connector from the seat heater
control.
Measure the voltage and resistance of each
terminal of the wire harne ...
Front seat assembly (for Flat Type)
COMPONENTS
...
Other materials:
Rear view monitor
system
The rear view monitor system assists the driver by displaying an
image of the view behind the vehicle and guide lines while backing
up, for example while parking.
The screen illustrations used in this text are intended as examples,
and may differ from the image that is actually displayed on the
...
Disposal
HINT:
When scrapping a vehicle equipped with the SRS or
disposing of the steering pad, be sure to deploy the airbag
first in accordance with the procedure described below. If any
abnormality occurs with airbag deployment, contact the
SERVICE DEPT. of TOYOTA MOTOR SALES, U.S.A., INC.
CAUTION:
...
Cranking Holding Function Circuit
DESCRIPTION
The system detects the ignition switch's starting signal (STSW) and then
supplies current to the starter
until the ECM judges that the engine has started successfully. The purpose is to
reduce the holding time
of the ignition key.
WIRING DIAGRAM
Refer to DTC P0617 (See page ...
