lock TOYOTA AVALON 2001 Service Repair Manual
[x] Cancel search | Manufacturer: TOYOTA, Model Year: 2001, Model line: AVALON, Model: TOYOTA AVALON 2001Pages: 1897, PDF Size: 26.61 MB
Page 2 of 1897
I12931
AC2GI-01
I14061
I12932
AC-74
- AIR CONDITIONINGAIR CONDITIONING CONTROL ASSEMBLY (Auto A/C)
1996 Author: Date:
2001 AVALON (RM808U)
DISASSEMBLY
1. REMOVE A/C CONTROL PANEL
(a) Remove the 4 screws.
(b) Using a screwdriver, release the 4 claws.
HINT:
Tape the screwdriver tip before use.
(c) Unlock the connector's lock and pull out the flat harness
from the A/C control panel.
2. REMOVE A/C AMPLIFIER
(a) Release the 2 claws and remove the holder.
(b) Hold the connector of amplifier and pull out the amplifier.
3. REMOVE BULB
Using a screwdriver, turn the bulb to the left and pull out the
bulb.
Page 4 of 1897
AC2GK-01
I12932
I14062
I12931
AC-76
- AIR CONDITIONINGAIR CONDITIONING CONTROL ASSEMBLY (Auto A/C)
1998 Author: Date:
2001 AVALON (RM808U)
REASSEMBLY
1. INSTALL BULB
(a) Install the bulb to the A/C control panel.
(b) Using a screwdriver, turn the bulb to the right and lock the
bulb.
2. INSTALL A/C AMPLIFIER
(a) Hold the connector of supply parts amplifier and pull out
the amplifier from electrostatic prevention bag.
(b) Hold the connector of amplifier and install the amplifier to
the A/C control panel case.
(c) Install the holder.
(d) Check the fitting for connector of amplifier.
3. INSTALL A/C CONTROL PANEL
(a) Unlock the connector's lock and push into the flat cable.
(b) INstall the A/C control panel.
(c) Check the fitting for 4 claws.
(d) INstall the 4 screws.
Page 11 of 1897
AC0YE-02
I12953I12946
I12964
Auto A/C:
Ambient Temperature
Sensor
Pressure Switch
Compressor
Relay Block No. 8
No. 2 Cooling Fan Relay
No. 3 Cooling Fan RelayJunction Block No. 8
Heater Main Relay
Magnetic Clutch Relay
Condenser Fan
Condenser
Auto A/C:
Solar Sensor
A/C Control Assembly
Auto A/C:
A/C Amplifier
Manual A/C:
A/C Switch Manual A/C:
Blower Speed Control Switch
Manual A/C:
Mode Control Switch
Auto A/C:
Room Temperature Sensor
A/C Unit
Heater Radiator
Evaporator
Expansion Valve
Evaporator Temp. Sensor
Auto A/C
Air Mix Servomotor
Air Outlet Servomotor
Blower Unit
Blower Motor
Manual A/C:
Blower Resistor
Auto A/C:
Blower Motor Linear Controller
Air inlet Servomotor
Manual A/C:
Multi Display (Built
into the A/C amplifier)
AC-14
- AIR CONDITIONINGAIR CONDITIONING SYSTEM
1936 Author: Date:
2001 AVALON (RM808U)
LOCATION
Page 14 of 1897
I01387
Condition : Periodically cools and then fails to cool
I01388
Condition: Insufficient cooling
- AIR CONDITIONINGAIR CONDITIONING SYSTEM
AC-5
1927 Author: Date:
2001 AVALON (RM808U)
(2) Moisture present in refrigeration system.
Symptom seen in
refrigeration systemProbable causeDiagnosisRemedy
During operation, pressure on low
pressure side sometimes become
a vacuum and sometime normal
Moisture entered in refrigeration
system freezes at expansion valve
orifice and temporarily stops cycle,
by normal state is restored after a
time when the ice melts Drier oversaturated state
Moisture in refrigeration system
freezes at expansion valve orifice
and blocks circulation of refriger-
ant(1) Replace condenser
(2) Remove moisture in cycle
through repeatedly evacuating air
(3) Charge proper amount of new
refrigerant
(3) Insufficient cooling
Symptom seen in
refrigeration systemProbable causeDiagnosisRemedy
Pressure low on both low and
high pressure sides
Bubbles seen in sight glass con-
tinuously
Insufficient cooling performance
Gas leakage at some place in re-
frigeration system Insufficient refrigerant in sys-
tem
Refrigerant leaking
(1) Check for gas leakage with gas
leak detector and repair if neces-
sary
(2) Charge proper amount of re-
frigerant
(3) If indicated pressure value is
near 0 when connected to gauge,
create the vacuum after inspecting
and repairing the location of the
leak
Page 26 of 1897
AC2G0-01
I03338
Sensor
Ice
10 cm
(0.39 in.)
ThermistorOhmmeter
Z04352
(W)
0 500 1,000 1,500 2,000
2,500
3,000 3,500 4,000 4,500 5,000
0510152025(°C)
32 41 50 59 68 77 (°F)
AC-32
- AIR CONDITIONINGAIR CONDITIONING UNIT
1954 Author: Date:
2001 AVALON (RM808U)
INSPECTION
1. CHECK EVAPORATOR FINS FOR BLOCKAGE
If the fins are clogged, clean them with compressed air.
NOTICE:
Never use water to clean the evaporator.
2. CHECK FITTINGS FOR CRACKS OR SCRATCHES
Repair as necessary.
3. INSPECT EVAPORATOR TEMPERATURE SENSOR
(a) Place the sensor in cold water, and while changing the
temperature of water, measure resistance at the connec-
tor and at the same time, measure temperature of water
with a thermometer.
(b) Compare the 2 readings on the chart.
If resistance is not as specified, replace the thermistor.
Page 30 of 1897
AC2KB-01
I12289
I03838
SST
I03839
SST
Push
SSTPull
Release
Lever AC-28
- AIR CONDITIONINGAIR CONDITIONING UNIT
1950 Author: Date:
2001 AVALON (RM808U)
REMOVAL
1. DISCHARGE REFRIGERANT FROM REFRIGERATION
SYSTEM
HINT:
At the time of installation, please refer to the following item.
Evacuate air from refrigeration system.
Charge system with refrigerant and inspect for leakage of refrig-
erant.
Specified amount: 600 ± 50 g (21.16 ± 1.76 oz.)
2. DRAIN ENGINE COOLANT FROM RADIATOR
HINT:
It is not necessary to drain out all coolant.
3. DISCONNECT LIQUID AND SUCTION TUBES
(a) Using SST, remove the 2 piping clamps.
SST 09870-00015 (Suction tube)
09870-00025 (Liquid tube)
(1) Insert SST to piping clamp.
HINT:
Confirm the direction of the piping clamp claw and SST using
the illustration showing on the caution label.
(2) Push down SST and release the clamp lock.
NOTICE:
Be careful not to deform the tubes, when pushing SST.
(3) Pull SST slightly and push the release lever, then re-
move the piping clamp with SST.
(4) Remove the piping clamp from SST.
(b) Disconnect the both tubes.
Page 41 of 1897
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)
Page 45 of 1897
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)
Page 50 of 1897
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
Page 51 of 1897
AC2G4-01
I12297
12
I12298
3 AC-42
- AIR CONDITIONINGCOMPRESSOR AND MAGNETIC CLUTCH
1964 Author: Date:
2001 AVALON (RM808U)
COMPRESSOR AND MAGNETIC
CLUTCH
ON-VEHICLE INSPECTION
1. INSPECT COMPRESSOR FOR METALLIC SOUND
Check there is abnormal metallic sound from the compressor
when the A/C switch is ON.
If abnormal metallic sound is heard, replace the compressor as-
sembly.
2. INSPECT REFRIGERANT PRESSURE
(See page AC-3)
3. INSPECT VISUALLY FOR LEAKAGE OF REFRIGER-
ANT
Using a gas leak detector, check for leakage of refrigerant.
If there is any leakage, replace the compressor assembly.
4. INSPECT COMPRESSOR LOCK SENSOR RESIS-
TANCE
(a) Disconnect the connector.
(b) Measure resistance between terminals 1 and 2.
Standard resistance: 65 - 125 W at 20 °C (68 °F)
If resistance is not as specified, replace the sensor.
5. CHECK FOR LEAKAGE OF GREASE FROM CLUTCH
BEARING
6. CHECK FOR SIGNS OF OIL ON PRESSURE PLATE OR
ROTOR
7. INSPECT MAGNETIC CLUTCH BEARING FOR NOISE
(a) Start engine.
(b) Check for abnormal noise from the compressor when the
A/C switch is OFF.
If abnormal noise is being emitted, replace the magnetic clutch.
8. INSPECT MAGNETIC CLUTCH OPERATION
(a) Disconnect the connector.
(b) Connect the positive (+) lead from the battery to terminal
4 and the negative (-) lead to the body ground.
(c) Check that the magnetic clutch energized.
If operation is not as specified, replace the magnetic clutch.