TOYOTA AVALON 2001 Service Service Manual

AC2G3-01
I12939
- +
To ºFRESHº
2
5
I12938
- +
To ºRECIRCº1
5
- AIR CONDITIONINGBLOWER UNIT
AC-39
1961 Author
: Date
:
2001 AVALON (RM808U)
INSPECTION
1. Manual A/C:
INSPECT AIR INLET SERVOMOTOR
Inspect the servomotor operation.
(1) Connect the positive (+) lead from the battery to ter-
minal 5 and negative (-) lead to terminal 2.
(2) Check the motor arm rotates counterclockwise and
arm stops on the ºFRESHº position.
(3) Connect the positive (+) lead from the battery to ter-
minal 5 and negative (-) lead to terminal 1.
(4) Check the motor arm rotates counterclockwise and
arm stops on the ºRECIRCº position.
If operations are not as specified, replace the servomotor.
2. Auto A/C:
INSPECT AIR INLET DAMPER POSITION SENSOR
CIRCUIT (See page DI-790)
3. Auto A/C:
INSPECT AIR INLET CONTROL SERVOMOTOR CIR-
CUIT (See page DI-802)

AC0YW-02
- AIR CONDITIONINGBLOWER UNIT
AC-41
1963 Author
: Date
:
2001 AVALON (RM808U)
INSTALLATION
Installation is in the reverse order of removal (See page AC-37).

AC0YV-02
AC-40
- AIR CONDITIONINGBLOWER UNIT
1962 Author
: Date
:
2001 AVALON (RM808U)
REASSEMBLY
Reassembly is in the reverse order of disassembly (See page AC-38).

AC0YT-03
I12962
- AIR CONDITIONINGBLOWER UNIT
AC-37
1959 Author
: Date
:
2001 AVALON (RM808U)
REMOVAL
1. REMOVE INSTRUMENT PANEL (See page BO-90)
2. REMOVE SECURITY ECU
3. REMOVE TRANSLATE ECU
4. REMOVE ECM
5. REMOVE BLOWER UNIT
(a) Remove the 2 connector bracket set screws.
(b) Disconnect the connectors.
(c) Remove the bolt, nut, 2 screws and blower unit.

AC2GA-01
I12967
I03539
1 2 3 4 AC-58
- AIR CONDITIONINGBLOWER MOTOR LINEAR CONTROLLER (Auto A/C)
1980 Author
: Date
:
2001 AVALON (RM808U)
BLOWER MOTOR LINEAR
CONTROLLER (Auto A/C)
INSPECTION
1. REMOVE GLOVE COMPARTMENT PARTS
(See page BO-90)
2. REMOVE BLOWER MOTOR LINEAR CONTROLLER
(a) Disconnect the connector.
(b) Remove the 2 screws and controller.
3. INSPECT BLOWER MOTOR LINEAR CONTROLLER
CIRCUIT
Connect the connector to the controller and inspect the wire
harness side connector from the back side, as shown in the
chart.
Test conditions:

Turn ignition switch to ON

Operate blower motor
Tester connectionConditionSpecified conditions
1 - GroundConstantContinuity
2 - GroundConstantBattery positive voltage
2 - GroundTurn ignition switch to LOCK or ACCNo voltage
If the circuit is as specified, try to replace the controller with a
new one. If the circuit is not as specified, inspect the circuits
connected to other parts.
4. INSTALL BLOWER MOTOR LINEAR CONTROLLER
(a) Install the blower motor linear controller with the 2 screws.
(b) Connect the connector.
5. INSTALL GLOVE COMPARTMENT PARTS
(See page BO-97)

AC1N0-02
I12928
N´m (kgf´cm, ft´lbf): Specified torque

Non reusable part
Drive Belt
18 (185, 13)
Generator
10 (100, 7)
Discharge Hose
Compressor25 (250, 18)
10 (100, 7)
25 (250, 18)
25 (250, 18)
25 (250, 18)
Compressor
Stator

Snap Ring Rotor
Shim Pressure Plate
13.2 (135, 9)
Suction Hose
56 (570, 41)
Drive Belt Adjusting
Bar Bracket
- AIR CONDITIONINGCOMPRESSOR AND MAGNETIC CLUTCH
AC-43
1965 Author
: Date
:
2001 AVALON (RM808U)
COMPONENTS

AC1N2-04
AC0943
SST
AC0944
SST
AC0945
SST
AC0946
Shim
Pressure
Plate
AC0947
SST AC-46
- AIR CONDITIONINGCOMPRESSOR AND MAGNETIC CLUTCH
1968 Author
: Date
:
2001 AVALON (RM808U)
DISASSEMBLY
1. REMOVE PRESSURE PLATE
(a) Using SST and a socket wrench, remove the shaft bolt.
SST 07112-76060
Torque: 13.2 N´m (135 kgf´cm, 9 ft´lbf)
(b) IInstall SST on the pressure plate.
SST 07112-66040
(c) Using SST and socket wrench, remove the pressure
plate.
SST 07112-76060, 07112-66040
(d) Remove the shims from the pressure plate.
2. REMOVE ROTOR
(a) Using SST, remove the snap ring.
SST 95994-10020

N20013
R-Shape
RotorSnap Ring
Compressor
AC1743
AC1744
AC0950
SST
N20012
R-Shape
Snap Ring
CompressorStator
- AIR CONDITIONINGCOMPRESSOR AND MAGNETIC CLUTCH
AC-47
1969 Author
: Date
:
2001 AVALON (RM808U)
NOTICE:
At the time of reassembly, please refer to the following
item.
The snap ring should be installed so that beveled side
faces up.
(b) Using a plastic hammer, tap the rotor off the shaft.
NOTICE:
Be careful not to damage the pulley when tapping on the ro-
tor.
3. REMOVE STATOR
(a) Disconnect the stator lead wire from the compressor
housing.
(b) Using SST, remove the snap ring.
SST 95994-10020
NOTICE:
At the time of reassembly, please refer to the following
item.
The snap ring should be installed so that its beveled side
faces up.

AC0951
Stator AC-48
- AIR CONDITIONINGCOMPRESSOR AND MAGNETIC CLUTCH
1970 Author
: Date
:
2001 AVALON (RM808U)
(c) Remove the stator.

AC1N4-02
N20259
(A)
(B)
AC-50
- AIR CONDITIONINGCOMPRESSOR AND MAGNETIC CLUTCH
1972 Author
: Date
:
2001 AVALON (RM808U)
INSTALLATION
1. INSTALL COMPRESSOR
(a) Install the compressor with 3 nuts.
Torque: 25 N´m (250 kgf´cm, 18 ft´lbf)
(b) Install the generator drive belt adjusting bar bracket with
2 bolts and a nut.
Torque:
Bolt (A): 18 N´m (185 kgf´cm, 13 ft´lbf)
Bolt (B): 25 N´m (250 kgf´cm, 18 ft´lbf)
Nut: 25 N´m (250 kgf´cm, 18 ft´lbf)
2. INSTALL GENERATOR
(a) Mount generator on the generator bracket with the pivot
bolt and adjusting lock bolt. Do not tighten the bolts yet.
(b) Connect the generator connector.
(c) Connect the generator wire with the nut.
3. CONNECT DISCHARGE AND SUCTION HOSES
Connect both hoses with the bolt and nut.
Torque: 10 N´m (100 kgf´cm, 7 ft´lbf)
NOTICE:
Hoses should be connected immediately after the caps
have been removed.
HINT:
Lubricate 2 new O-ring with compressor oil and install them to
the tube.
4. INSTALL AND CHECK DRIVE BELT
(See page AC-19, AC-17)
5. CONNECT NEGATIVE (-) TERMINAL CABLE TO BAT-
TERY
6. EVACUATE AIR FROM REFRIGERATION SYSTEM
AND CHARGE WITH REFRIGERANT
Specified amount: 600 ± 50 g (21.16 ± 1.76 oz.)
7. INSPECT FOR LEAKAGE OF REFRIGERANT
Using a gas leak detector, check for leakage of refrigerant.
If there is leakage, check the tightening torque at the joints.
8. INSPECT A/C OPERATION