Toyota Sienna Service Manual: 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 assembly.
(c) Install the 3 screws and the heater water valve assembly.
(d) Install the 2 screws and the 2 clamps.
(e) Engage the claw fitting and install the 3 screws and blower case.
2. INSTALL BLOWER RESISTOR TRANSISTOR ASSEMBLY
(a) Install the 2 screws and the blower resistor transistor assembly.
3. INSTALL COOLING UNIT MOTOR SUB-ASSEMBLY WITH FAN
(a) Install the 3 screws and the cooling unit motor subassembly w/ fan.
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 ...
Installation
1. INSTALL AIR CONDITIONING BLOWER ASSEMBLY
(a) Install the air conditioning blower assembly with the
3 bolts.
Torque: 5.4 N*m (55 kgf*cm, 48 in.*lbf)
NOTICE:
Tighten the bolts in the order s ...
Other materials:
Cooling fan relay
On-vehicle inspection
1. Cooling fan relay
(a) Remove the relay from engine room relay block No.
1.
(b) Measure the resistance of the relay.
Standard resistance
If the result is not as specified, replace the cooling
fan relay.
(c) Install the relay to engine room relay block No. ...
How to proceed with
troubleshooting
1 VEHICLE BROUGHT TO WORKSHOP
2 INSPECT BATTERY VOLTAGE
Standard voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery
before proceeding.
3 BASIC INSPECTION
Turn the ignition switch ON.
Check whether or not the radio receiver turns on.
Result
4 CHE ...
On-vehicle inspection
1. INSPECT FRONT PASSENGER AIRBAG ASSEMBLY
(VEHICLE NOT INVOLVED IN COLLISION)
Perform a diagnostic system check.
With the front passenger airbag assembly installed
on the vehicle, perform a visual check. If there are
any defects as mentioned below, replace the
instrumen ...
