Toyota Sienna Service Manual: Disassembly
1. REMOVE BLOWER ASSEMBLY
(a) Remove the 2 screws and the blower assembly.
2. REMOVE MODE DAMPER SERVO SUB-ASSEMBLY
(a) Remove the 3 screws and the mode damper servo sub-assembly.
3. REMOVE AIRMIX DAMPER SERVO SUB-ASSEMBLY
(a) Remove the 3 screws and the airmix damper servo sub-assembly.
4. REMOVE NO. 2 AIRMIX DAMPER SERVO SUBASSEMBLY (for Automatic Air Conditioning System)
(a) Remove the 3 screws and the No. 2 airmix damper servo sub-assembly.
5. REMOVE NO. 1 HEATER CLAMP
(a) Release the 4 claw fittings and remove the No. 1 heater clamp.
6. REMOVE NO. 3 AIR CONDITIONING RADIATOR BRACKET
(a) Remove the screw and the No. 3 air conditioning radiator bracket.
7. REMOVE HEATER RADIATOR UNIT SUB-ASSEMBLY
(a) Remove the heater radiator unit sub-assembly from the air conditioning radiator assembly.
8. REMOVE AIR CONDITIONING TUBE ASSEMBLY
(a) Using a hexagon wrench 4.0 mm (0.15 in.), remove the 2 hexagon bolts and the air conditioning tube assembly.
(b) Remove the 2 O-rings from the air conditioning tube assembly.
9. REMOVE COOLER EXPANSION VALVE
(a) Remove the cooler expansion valve from the No. 1 cooler evaporator sub-assembly.
(b) Remove the 2 O-rings from the No. 1 cooler evaporator sub-assembly.
10. REMOVE NO. 2 AIR CONDITIONING RADIATOR BRACKET
(a) Remove the 2 screws and the No. 2 air conditioning radiator bracket.
11. REMOVE NO. 1 AIR CONDITIONING RADIATOR BRACKET
(a) Remove the 3 screws and the No .1 air conditioning radiator bracket.
12. REMOVE NO. 4 AIR CONDITIONING RADIATOR BRACKET
(a) Remove the No. 4 air conditioning radiator bracket.
13. REMOVE NO. 1 AIR DUCT
(a) Release the 4 claw fittings and remove the No. 1 air duct.
14. REMOVE NO. 1 COOLER THERMISTOR
(a) Disengage the clamp.
(b) Remove the 2 screws.
(c) Remove the 11 screws.
(d) Remove the No. 1 cooler thermistor.
Removal
1. RECOVER REFRIGERANT FROM REFRIGERATION
SYSTEM (See page AC-172)
2. REMOVE FRONT WIPER ARM HEAD CAP (See page
WW-4)
3. REMOVE FRONT WIPER ARM RH (See page WW-4)
4. REMOVE FRONT WIPER ARM LH (Se ...
Reassembly
1. INSTALL NO. 1 COOLER THERMISTOR
(a) Install the No. 1 cooler thermistor as shown in the
illustration.
NOTICE:
Be sure to insert the thermistor only once
because reinserting it will no ...
Other materials:
On-vehicle inspection
1. CHECK POWER MIRROR SWITCH OPERATION
Remote control
The mirror adjust switch can control the adjustment
axis of the mirror surface.
Reverse-linked
This function tilts the mirror surface downward to
improve the visibility when driving in reverse,
provided that all the co ...
Dtc clear
(A) when using the obd ii scan tool or intelligent
tester: clearing the dtcs.
(1) Connect the intelligent tester together with the
CAN VIM (controller area network vehicle
interface module) to the DLC3.
(2) Turn the ignition switch to the ON position and
turn the OBD II scan tool or the inte ...
On-vehicle inspection
1. INSPECT THROTTLE BODY
Listen to the throttle control motor operating sounds.
Turn the ignition switch to the ON position.
When pressing the accelerator pedal position
sensor lever, listen to the running motor. Make
sure that no friction noise comes from the
motor.
...
