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:
Headlight leveling switch
ON-VEHICLE INSPECTION
1. HEADLIGHT LEVELING SWITCH
Connect the battery positive (+) lead to the terminal
1 and the battery negative (-) lead to the terminal 5.
Measure the resistance between the terminal 4 and
the battery negative (-) lead when headlight leveling
switch ...
Short to B+ in Door System Communication
Bus Malfunction/ Short to GND in Door System Communication
Bus Malfunction
DTC B1214 Short to B+ in Door System Communication
Bus Malfunction
DTC B1215 Short to GND in Door System Communication
Bus Malfunction
DESCRIPTION
DTCs B1214 and B1215 are output when a short to +B or the body ground occurs
on the communication
bus. Detecting this condition disables all the ...
Armrests
Pull the armrest down for use.
Front seat
Second seat (if equipped)
Adjusting the front seat armrests (if equipped)
Push the armrest down while pressing the
button.
NOTICE
To prevent damage to the armrest, do not apply too much load on the
armrest.
...