Page 4257 of 4500
Fig. 71: Identifying Blower Assy Components And Replacements
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
OVERHAUL
HINT:
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Installation is in the reverse order of removal.
See COMPONENTS .
1.DISCONNECT NEGATIVE TERMINAL CABLE FROM BATTERY
2.REMOVE FRONT DOOR SCUFF PLATE LH (See REPLACEMENT
)
3.REMOVE FRONT PILLAR GARNISH LH (See step 33 in REPLACEMENT
)
4.REMOVE INSTRUMENT PANEL UNDER COVER SUB-ASSY NO. 2 (See step 21 in
REPLACEMENT
)
5.REMOVE INSTRUMENT PANEL GARNISH SUB-ASSY RH (See step 22 in REPLACEMENT
)
6.REMOVE GLOVE COMPARTMENT DOOR ASSY W/ INSTRUMENT PANEL AIRBAG ASSY
LOWER NO. 2 (See step 25 in REPLACEMENT
)
7.REMOVE AIR SUSPENSION AND HEADLIGHT BEAM LEVEL CONTROL ECU
a. Disconnect the connectors.
b. Remove the 2 nuts and air suspension and headlight beam level control ECU.
8.REMOVE BLOWER ASSY
a. Disconnect the connectors.
b. Remove the nut and 3 bolts.
c. Remove the blower assy.
Page 4259 of 4500
Fig. 72: Removing Blower Assy
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
9.REMOVE CLEAN AIR FILTER SUB-ASSY
10.REMOVE CLEAN AIR FILTER
11.REMOVE AIR CONDITIONING AMPLIFIER ASSY
a. Remove the 3 screws and air conditionin
g amplifier assy.
Page 4260 of 4500
Fig. 73: Removing Air Conditioning Amplifier Assy
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
12.REMOVE AIR INLET SERVOMOTOR
a. Remove the 3 screws and the air inlet servomotor.
Page 4261 of 4500
Fig. 74: Removing Air Inlet Servomotor
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
13.REMOVE BLOWER MOTOR ASSY (COOLING UNIT MOTOR SUB-ASSY W/FAN)
a. Remove the 3 screws and blower motor assy (cooling unit motor sub-assy w/fan).
ON-VEHICLE INSPECTION
1.INSPECT COMPRESSOR FOR METALLIC SOUND
a. Check if there is abnormal metallic sound from the compressor when the A/C switch is ON and the
compressor operates.
If abnormal metallic sound is heard, replace the compressor assembly.
2.INSPECT REFRIGERANT PRESSURE (See ON
-VEHICLE INSPECTION )
3.INSPECT FOR LEAKAGE OF REFRIGERANT
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a. Using a gas leak detector, check for leakage of refrigerant.
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56004800500045004f005c00110003[
4.INSPECT W/PULLEY COMPRESSOR ASSY
a. Check operation of w/pulley compressor assy.
1. Start the engine.
2. Inspect the compressor pulley.
Standard: The compressor shaft rotates along with the pulley
Fig. 75: Inspecting W/Pulley Compressor Assy
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
5.INSPECT SOLENOID OF THE EXTERNALLY CHANGEABLE COMPRESSOR
a. Turn the ignition switch off.
b. Disconnect the connector.
c. Measure resistance between terminals 1 and 2.
Standard resistance: 10 to 11 ohms
HINT:
If resistance is not within the specified ran
ge, replace the compressor.
Page 4263 of 4500
Fig. 76: Inspecting Solenoid Of Externally Changeable Compressor
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
REPLACEMENT
1.DISCONNECT NEGATIVE TERMINAL CABLE FROM BATTERY
2.EVACUATE REFRIGERANT HFC-134A (R134A) (See REPLACEMENT
)
3.REMOVE AIR CLEANER INLET NO. 1 (See REPLACEMENT
)
4.REMOVE FAN AND GENERATOR V BELT (See REPLACEMENT
)
5.REMOVE ENGINE UNDER COVER NO. 1
6.DISCONNECT COOLER REFRIGERANT DISCHARGE HOSE NO. 1
a. Remove the nut and disconnect the cooler refrigerant discharge hose No. 1.
b. Remove the O-ring from the cooler refrigerant discharge hose No. 1.
Page 4264 of 4500
Fig. 77: Disconnecting Cooler Refrigerant Discharge Hose No. 1
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
7.DISCONNECT COOLER REFRIGERANT SUCTION HOSE NO. 1
a. Remove the bolt and disconnect the cooler refrigerant suction hose No. 1.
b. Remove the O-ring from the cooler refrigerant suction hose No. 1.