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:
Front Occupant Classification Sensor RH Circuit
Malfunction
DTC B1781 Front Occupant Classification Sensor RH Circuit
Malfunction
DESCRIPTION
The front occupant classification sensor RH circuit consists of the occupant
classification ECU and the
front occupant classification sensor RH.
DTC B1781 is recorded when a malfunction is detected in the fron ...
Short to B+ in Front Passenger Side Squib Circuit
DTC B0108/52 Short to B+ in Front Passenger Side Squib Circuit
DESCRIPTION
The front passenger side squib circuit consists of the center airbag sensor
assembly and the front
passenger airbag assembly.
The circuit instructs the SRS to deploy when deployment conditions are met.
DTC B0108/52 ...
For automatic air conditioning system
ON-VEHICLE INSPECTION
1. INSPECT AIR INLET CONTROL SERVO MOTOR
(a) Remove the air inlet control servo motor.
(b) Connect the positive (+) lead from the battery to
terminal 4 and negative (-) lead to terminal 5, then
check that the lever turns to "RECIRCULATION"
side smoothly.
...