Toyota Sienna Service Manual: Disassembly
1. REMOVE COOLER THERMISTOR NO.1 (for Automatic Air Conditioning System)
(a) Disengage the 2 claw fittings and the clamp and remove the cooler thermistor No. 1.
2. REMOVE COOLING UNIT MOTOR SUB-ASSEMBLY WITH FAN
(a) Remove the 3 screws and the cooling unit motor sub-assembly w/ fan.
3. REMOVE BLOWER RESISTOR TRANSISTOR ASSEMBLY
(a) Remove the 2 screws and the blower resistor transistor assembly.
4. REMOVE HEATER RADIATOR UNIT SUB-ASSEMBLY
(a) Disengage the claw fitting and remove the 3 screws and blower case.
(b) Remove the 2 screws and the 2 clamps.
(c) Remove the 3 screws and the heater water valve assembly.
(d) Remove the 2 O-rings from the heater water valve assembly.
(e) Remove the heater radiator unit sub-assembly from the air conditioning blower assembly.
Removal
1. DISCHARGE REFRIGERANT FROM
REFRIGERATION SYSTEM
SST 07110-58060 (07117-58080, 07117-58090,
07117-78050, 07117-88060, 07117-88070,
07117-88080)
HINT:
See page AC-172.
2. REMOVE REAR DOOR SCUF ...
Reassembly
1. INSTALL HEATER RADIATOR UNIT SUB-ASSEMBLY
(a) Install the heater radiator unit sub-assembly to the
air conditioning blower assembly.
(b) Install the 2 O-rings to the heater water valve
as ...
Other materials:
TRAC OFF Indicator Light does not Come ON
DESCRIPTION
The skid control ECU is connected to the combination meter via CAN and
multiplex communications.
When the traction OFF switch is turned on, the TRAC OFF indicator light will
come on (for 2WD model).
WIRING DIAGRAM
Refer to TRAC OFF Indicator Light Remains ON (See page BC-157).
...
Power back door touch sensor
INSPECTION
1. INSPECT POWER BACK DOOR TOUCH SENSOR LH
Check the resistance of the sensor.
Resistance
If the result is not as specified, replace the sensor.
2. INSPECT POWER BACK DOOR TOUCH SENSOR RH
Check the resistance of the sensor.
Resistance
If the result is not as ...
When servicing full-time 4wd vehicles
The full-time 4WD SIENNA is equipped with the open
center differential system.
If incorrect preparations or test procedures are used, the
test will not only be unsuccessful, but may be dangerous
as well.
Therefore, before beginning any such servicing or test,
be sure to check the following ...
