heater TOYOTA AVALON 2001 Service User Guide

AC2GR-01
I12923
I12922
I12924
Air Mix Control Cable
Air Mix Control
Cable
- AIR CONDITIONINGHEATER CONTROL ASSEMBLY (Manual A/C)
AC-87
2009 Author
: Date
:
2001 AVALON (RM808U)
INSTALLATION
1. INSTALL HEATER CONTROL ASSEMBLY
(a) Install the heater control assembly and stereo opening
cover assembly to 2 brackets.
(b) Install the 8 bolts and 4 screws.
(c) Connect the connectors.
(d) Install the heater control assembly with the 4 bolts.
(e) Pass the through the air mix control cable (Driver side) as
shown the illustration.
Driver side cable should be set between driver side brace
and A/C unit.
(f) Pass the throught the air mix control cable (Passenger
side) as shown the illustration.
Passenger side cable should be set outerside passenger
side side brace.
2. CONNECT HEATER CONTROL CABLES
(a) Set the air mix control knobs to ºMAX. COOLº position.

I12925
To ºCoolºPull
I12926
To ºCoolºPull
AC-88
- AIR CONDITIONINGHEATER CONTROL ASSEMBLY (Manual A/C)
2010 Author
: Date
:
2001 AVALON (RM808U)
(b) Adjust air mix control cables.
Set the cable connectors to lever pin and clamp the cable
outers with keeping the knobs to ºMAX. COOLº position
(Both driver side and passenger side).
NOTICE:

Don't bend the cable on setting the cable.

Don't move the air mix knob before finishing on
clamping the cable outer.
3. INSTALL CENTER CLUSTER FINISH PANEL
(See page BO-97)

I12920
AC2GN-01
AC-80
- AIR CONDITIONINGHEATER CONTROL ASSEMBLY (Manual A/C)
2002 Author
: Date
:
2001 AVALON (RM808U)
HEATER CONTROL ASSEMBLY
(Manual A/C)
ON-VEHICLE INSPECTION
INSPECT HEATER CONTROL DIALS OPERATION
Turn the control dials left and right then check that click sound
can be heard and recoil is felt.
If click sound can not be heard or recoil is felt, adjust the control
cable or check control cable and heater control assembly.

AC2GP-01
I12921
Air Mix Control
CableAir Mix Control
Cable
I12922
I12923
AC-82
- AIR CONDITIONINGHEATER CONTROL ASSEMBLY (Manual A/C)
2004 Author
: Date
:
2001 AVALON (RM808U)
REMOVAL
1. REMOVE CENTER CLUSTER FINISH PANEL
(See page BO-90)
2. DISCONNECT HEATER CONTROL CABLES
NOTICE:
When the air mix damper control cable is disconnected,
should not bend the cable.
3. REMOVE HEATER CONTROL ASSEMBLY
(a) Remove the 4 bolts and pull out the heater control assem-
bly with stereo opening cover assembly, then disconnect
the connectors.
(b) Remove the 8 bolts, 4 screws and 2 brackets.
(c) Separate the heater control assembly and stereo open-
ing cover assembly.

I12918
Heater Main
RelayAC20T-02
Z19533
34 5
12123 4 5 AC-68
- AIR CONDITIONINGHEATER MAIN RELAY
1990 Author
: Date
:
2001 AVALON (RM808U)
HEATER MAIN RELAY
INSPECTION
1. REMOVE HEATER MAIN RELAY FROM NO. 2 J/B
2. INSPECT HEATER MAIN RELAY
(Marking: HTR) CONTINUITY
ConditionTester connectionSpecified condition
Constant2 - 4
3 - 5Continuity
Apply B+ between
terminals 3 and 5.1 - 2Continuity
If continuity is not as specified, replace the relay.

AC2FV-01
- AIR CONDITIONINGTROUBLESHOOTING (Manual A/C)
AC-15
1937 Author
: Date
:
2001 AVALON (RM808U)
TROUBLESHOOTING (Manual A/C)
PROBLEM SYMPTOMS TABLE
Use the table below to help you find the cause of the problem. The numbers indicate the priority of the likely
cause of the problem. Check each part in order If necessary , replace these parts.
SymptomSuspect AreaSee page
No blower operation
2. HTR Fuse
3. Heater main relay
4. Blower motor
5. Blower resistor
6. Blower speed control switch
7. Wire harness-
AC-68
AC-56
AC-57
AC-83
-
No blower control
1. Blower motor
2. Blower resistor
3. Blower speed control switch
4. Wire harnessAC-56
AC-57
AC-83
-
No air temperature control1. Engine coolant volume
2. Heater control assembly-
AC-80
No compressor operation
1. Refrigerant volume
2. A.C Fuse
3. Magnetic clutch
4. Compressor lock sensor
5. Compressor
6. Pressure switch
7. Heater main relay
8. Blower speed control switch
9. A/C switch
10.A/C amplifier
11. Evaporator temp. sensor
12.Wire harnessAC-3
-
AC-42
AC-42
AC-42
AC-65
AC-68
AC-83
AC-83
AC-77
AC-64
-
No cool air comes out
1. Refrigerant volume
2. Refrigerant pressure
3. Drive belt
4. Magnetic clutch
5. Compressor lock sensor
6. Pressure switch
7. Evaporator temp. sensor
8. A/C switch
9. A/C amplifier
10.Heater control assembly
11. Wire harnessAC-3
AC-3
AC-17
AC-42
AC-42
AC-65
AC-64
AC-83
AC-77
AC-80
-
No engine idle-up when A/C switch ON
1. A/C amplifier
2. Idle control system
3. Wire harnessAC-77
DI-102
-
No air inlet control
1. Air inlet servomotor
2. Heater control assembly
3. Wire harnessAC-39
AC-80
-
No mode control
1. Air outlet servomotor
2. Heater control assembly
3. Wire harnessAC-60
AC-80
-

AC-16
- AIR CONDITIONINGTROUBLESHOOTING (Manual A/C)
1938 Author
: Date
:
2001 AVALON (RM808U) Blinking of A/C indicator
1. Compressor
2. Drive belt
3. Compressor lock sensor
4. A/C amplifierAC-42
AC-17
AC-42
AC-77
Brightness does not change when light control switch is turned1. Headlight and taillight system
2. Heater control assemblyBE-19
AC-80

AX0KB-01
D07772
Radio Assembly with Heater Control & Accessory Assembly Except Taiwan Spec.:
Lower Instrument Panel
Sub-assembly
Lower No. 4 Instrument
Panel Sub-assembly
Hood Lock
Release Lever
Radio Tuner Opening
Covers with Heater
Console & Accessory
Assembly Taiwan Spec.:Taiwan Spec.:
Center Instrument Cluster Finish Panel
Sub-assemblyNo. 2 Instrument Panel
Under Cover Sub-assembly
Front Ash Receptacle Assembly
Upper Console Panel
Sub-assembly
Console Box Plate
Front Console Box
Assembly
Upper Rear Console
Panel Sub-assembly
Clip
Shift Control
Cable
Floor Shift Lever Assembly
12 (120,9)
Rear Console Box Assembly
RH Cowl Side Trim
RH Scuff Plate
N´m (kgf´cm, ft´lbf) : Specified torqueRH Cowl Side Trim
RH Scuff Plate
AX-20
- AUTOMATIC TRANSAXLEFLOOR SHIFT ASSEMBLY
1310 Author
: Date
:
2001 AVALON (RM808U)
FLOOR SHIFT ASSEMBLY
COMPONENTS

AX0KC-01
D07218
AX-22
- AUTOMATIC TRANSAXLEFLOOR SHIFT ASSEMBLY
1312 Author
: Date
:
2001 AVALON (RM808U)
REMOVAL
1. REMOVE UPPER REAR CONSOLE PANEL SUB-AS-
SEMBLY (See page BO-90)
2. REMOVE FRONT ASH RECEPTACLE ASSEMBLY
(See page BO-90)
3. REMOVE UPPER CONSOLE PANEL SUB- AS-
SEMBLY (See page BO-90)
4. REMOVE CONSOLE BOX PLATE (See page BO-90)
5. REMOVE REAR CONSOLE BOX ASSEMBLY
(See page BO-90)
6. REMOVE LH AND RH SCUFF PLATES
(See page BO-90)
7. REMOVE LH AND RH COWL SIDE TRIMS
(See page BO-90)
8. REMOVE LOWER NO.4 INSTRUMENT PANEL SUB-
ASSEMBLY (See page BO-90)
9. REMOVE NO.2 INSTRUMENT PANEL UNDER COVER
SUB-ASSEMBL Y (See page BO-90)
10. REMOVE LOWER INSTRUMENT PANEL SUB- AS-
SEMBLY (See page BO-90)
11. Taiwan Spec.:
REMOVE CENTER INSTRUMENT CLUSTER FINISH
PANEL SUB-ASSEMBLY (See page BO-90)
12. Taiwan Spec.:
REMOVE RADIO TUNER OPENING COVERS WITH
HEATER CONSOLE & ACCESSORY ASSEMBLY
(See page BO-90)
13. Except Taiwan spec.:
REMOVE RADIO ASSEMBLY WITH HEATER CON-
SOLE & ACCESSORY ASSEMBLY
(See page BO-90)
14. REMOVE FRONT CONSOLE BOX ASSEMBLY
(See page BO-90)
15. w/ Rear Heater:
REMOVE REAR CONSOLE NO.1 BOX ASSEMBLY
CONSOLE BOX DUCT
Remove the clip and duct.
16. REMOVE FLOOR SHIFT LEVER ASSEMBLY
(a) Remove the clip and disconnect the shift cable from the
floor shift assembly.
(b) Disconnect the wire harness from the wire harness clamp.

AX0KB-01
D07772
Radio Assembly with Heater Control & Accessory Assembly Except Taiwan Spec.:
Lower Instrument Panel
Sub-assembly
Lower No. 4 Instrument
Panel Sub-assembly
Hood Lock
Release Lever
Radio Tuner Opening
Covers with Heater
Console & Accessory
Assembly Taiwan Spec.:Taiwan Spec.:
Center Instrument Cluster Finish Panel
Sub-assemblyNo. 2 Instrument Panel
Under Cover Sub-assembly
Front Ash Receptacle Assembly
Upper Console Panel
Sub-assembly
Console Box Plate
Front Console Box
Assembly
Upper Rear Console
Panel Sub-assembly
Clip
Shift Control
Cable
Floor Shift Lever Assembly
12 (120,9)
Rear Console Box Assembly
RH Cowl Side Trim
RH Scuff Plate
N´m (kgf´cm, ft´lbf) : Specified torqueRH Cowl Side Trim
RH Scuff Plate
AX-20
- AUTOMATIC TRANSAXLEFLOOR SHIFT ASSEMBLY
1310 Author
: Date
:
2001 AVALON (RM808U)
FLOOR SHIFT ASSEMBLY
COMPONENTS