Page 298 of 1897

BE1EF-02
I12827
2 25
24 12
1
I12828
2 25
24 12
1ON
I12829
2 26
24 13
1
I12830
2 26
24 13
1
ON BE-122
- BODY ELECTRICALSEAT HEATER SYSTEM
1726 Author: Date:
2001 AVALON (RM808U)
INSPECTION
1. A/C control panel assembly:
INSPECT DRIVERS SEAT HEATER SWITCH OPERA-
TION
(a) Connect the positive (+) lead from the battery to terminal
1, 2 and negative (-) lead to terminal 24, 25.
(b) Connect the positive (+) lead from the battery to terminal
12 through a 1.4 W test bulb.
(c) Turn the drivers seat heater switch ON and check that the
test bulb and indicator light turn ON.
If operation is not as specified, proceed to the next inspection.
2. A/C control panel assembly:
INSPECT PASSENGER SEAT HEATER SWITCH OP-
ERATION
(a) Connect the positive (+) lead from the battery to terminal
1, 2 and negative (-) lead to terminal 24, 26.
(b) Connect the positive (+) lead from the battery to terminal
13 through a 1.4 W test bulb.
(c) Turn the passenger seat heater switch ON and check that
the test bulb and indicator light turn ON.
If operation is not as specified, proceed to the next inspection.
Page 299 of 1897
I21287
Connector ºAº Connector ºBº
I21288
Z14186
1
2 351 2
3 5
- BODY ELECTRICALSEAT HEATER SYSTEM
BE-123
1727 Author: Date:
2001 AVALON (RM808U)
3. INSPECT SEAT CUSHION HEATER CONTINUITY
(a) Disconnect the seat back heater from the seat cushion
heater.
(b) Heat the 2 thermostats with a light and check that there
is no continuity above 50 °C (122 °F) between terminals
A1 and B2, A2 and B1.
(c) Cool the 2 thermostats below 40 °C (104 °F) between ter-
minals A1 and B2, A2 and B1.
If continuity is not as specified, replace the seat heater.
4. INSPECT SEAT BACK CONTINUITY
Check that there is continuity between terminals 1 and 2.
If continuity is not as specified, replace the seat back pad.
5. INSPECT IGNITION MAIN RELAY CONTINUITY
ConditionTester connectionSpecified condition
Constant1 - 2Continuity
Apply B+ between
terminals 1 and 2.3 - 5Continuity
If continuity is not as specified, replace the relay.
Page 300 of 1897
BE0IV-05
I13483
Instrument Panel Junction Block
SEAT HTR Fuse
Ignition Main Relay
Seat Heater
Seat Cushion
Seat Heater
Seat BackIgnition SwitchHeater Control Panel
Seat Heater Switch
- BODY ELECTRICALSEAT HEATER SYSTEM
BE-121
1725 Author: Date:
2001 AVALON (RM808U)
SEAT HEATER SYSTEM
LOCATION
Page 310 of 1897

BE-6
- BODY ELECTRICALTROUBLESHOOTING
1610 Author: Date:
2001 AVALON (RM808U) Shift indicator lights do not light up.
1. Bulb
2. Park/Neutral Position Switch
3. Meter Circuit Plate
4. Wire Harness-
DI-199
BE-43
-
Only one shift indicator does not light up.1. Bulb
2. Meter Circuit Plate-
BE-43
Malfunction indicator light does not light up.
1. Bulb
2. ECM
3. Meter Circuit Plate
4. Wire Harness-
DI-1
BE-43
-
SLIP indicator light does not light up.
1. Bulb
2. ABS & TRAC ECU
3. Meter Circuit Plate
4. Wire Harness-
DI-250
BE-43
-
TRAC OFF indicator light does not light up.
1. Bulb
2. ABS & TRAC ECU
3. Meter Circuit Plate
4. Wire Harness-
DI-250
BE-43
-
Security indicator light does not light up.
1. LED
2. Theft Deterrent ECU
3. Meter Circuit Plate
4. Wire Harness-
DI-517
BE-43
-
Indicator lights do not light up. (Except Turn, Hi-beam and
security)1. GAUGE Fuse
2. Wire Harness-
-
DEFOGGER SYSTEM:
SymptomSuspect AreaSee page
All defogger systems do not operate.
1. SEAT HEATER Fuse
2. DEF Fuse
3. Defogger Relay
4. Defogger Switch
5. Wire Harness-
-
BE-67
DI-1
-
Rear window defogger does not operate.
1. Defogger Wire
2. Choke Coil
3. Wire HarnessBE-67
-
-
Mirror defogger does not operate.
1. MIR/HTR Fuse
2. Mirror Defogger
3. Wire Harness-
BE-67
-
POWER WINDOW CONTROL SYSTEM:
This system uses the multiplex communication system, so check diagnosis system of the multiplex commu-
nication system before checking the body control system.
POWER DOOR LOCK CONTROL SYSTEM:
This system uses the multiplex communication system, so check diagnosis system of the multiplex commu-
nication system before checking the body control system.
Page 312 of 1897

BE-8
- BODY ELECTRICALTROUBLESHOOTING
1612 Author: Date:
2001 AVALON (RM808U)
POWER MIRROR CONTROL SYSTEM:
This system uses the multiplex communication system, so check diagnosis system of the multiplex commu-
nication system before checking the body control system.
ELECTRO CHROMIC MIRROR SYSTEM
SymptomSuspect AreaSee page
Electro Chromic Inner Mirror does not operate.
1. ECU-IG Fuse
2. Elector Chromic Inner Mirror
3. Wire Harness
BE-120
SEAT HEATER SYSTEM:
SymptomSuspect AreaSee page
Seat heaters do not operate.
(Driver's and Passenger's)1. SEAT HEATER Fuse
2. Ignition Main Relay
3. Wire Harness-
BE-122
-
Driver's seat heater does not operate.
1. Seat Heater Switch (Driver's)
2. Seat Heater
3. Wire HarnessBE-122
BE-122
-
Passenger's seat heater does not operate.
1. Seat Heater Switch (Passenger's)
2. Seat Heater
3. Wire HarnessBE-122
BE-122
-
Seat Heater temperature is too hot.1. Seat HeaterBE-122
GARAGE DOOR OPENER SYSTEM
SymptomSuspect AreaSee page
The equipment of which code has been registered does not oper-
ate.1. Garage Door Opener
2. Wire Harness
3. *BE-170
LED does not light up. (Even though either switch is pressed.)1. Garage Door Opener
2. Wire HarnessBE-170
LED does not light up. (Only one switch is pressed.)1. Garage Door OpenerBE-170
* As the GARAGE DOOR OPENER on the vehicle side seems to be normal, check the OPENER on the
equipment side, of which code has been registered.
Page 377 of 1897

BO2PU-02
H12194: Specified torqueN´m (kgf´cm, ft´lbf)
AA
KK
K
K
K
K
K
K
B
L
E
G
GG
G
GG
G
GGI
C
C
C
C
K
K
KKB Instrument Panel Reinforcement
No. 2 Instrument
Panel to Cowl BraceFront Pillar Garnish
Upper Cluster Finish Panel
Instrument Panel
Safety Pad Front Pillar GarnishNo. 1 Heater to
Register Duct
Instrument Panel
to Cowl BraceSpeaker Opening
Cover Assembly
H
H
H
H
H
H
III
G
D EDD
Steering Wheel
Floor shift:
Rear Console Box Floor shift:
Front Console Box
Combination Switch No. 1 Lower PanelLH Lower Insert
Column shift:
Finish Panel Hood Lock
Release LeverNo. 2 Under Cover
Floor shift:
Console Box
Plate
Steering Wheel Pad Steering Column
Cover
Floor shift:
Front Ash Receptacle
Floor shift:
Upper Console PanelLower Finish
Panel Column shift:
Lower Cover LH Register
TAIWAN:
Center Cluster
Finish Panel
TAIWAN:
Opening Covers with
Heater Control Assembly Radio Assembly with Heater
Control AssemblyLower Panel
Cluster Finish Panel
End Finish Panel Combination Meter Lower Cluster
Finish PanelGlove Compartment
Door Finish Plate
Speaker Opening
Cover Assembly
No. 2 Heater to
Register Duct
No. 1 Register
Floor shift:
Cup Holder
Multi Information
Display
Floor shift:
Under Rear
Console Panel
I
HH
50 (510, 37)
20 (204, 15)
N
JJJJConsole Box Hole Cover
Column shift:
Front Ash Receptacle
- BODYINSTRUMENT PANEL
BO-87
1872 Author: Date:
2001 AVALON (RM808U)
INSTRUMENT PANEL
COMPONENTS
Page 378 of 1897
H12195
Instrument Panel Wire Harness
No. 1 Defroster Nozzle Garnish
No. 2 Side defroster Nozzle Duct
No. 5 Heater to Register Duct
No. 4 Heater to Register Duct Defroster Nozzle
No. 1 Side Defroster Nozzle Duct
No. 2 Meter Hood Set BracketNo. 3 Meter Hood Set Bracket
No. 4 Meter Hood Set
Bracket
No. 1 Instrument Panel Pin
Side Defroster
Nozzle
Front Passenger
Airbag Assembly No. 1 Meter Hood Set Bracket
No. 1 Instrument
Panel Pin
Side Defroster Nozzle
Instrument Panel Safety Pad
Center Bracket
No. 1 Instrument Panel
Safety PadNo. 3 Register
J
J
F
J
J
J
J
NN
MMM
M
M
M
J
JJJ
J
J
J
J
JJ
J
JJ
J
J
J
JJ
No. 1 Instrument Panel
BO-88
- BODYINSTRUMENT PANEL
1873 Author: Date:
2001 AVALON (RM808U)
Page 380 of 1897

H121913 Clips
BO2PW-01
H11898
- BODYINSTRUMENT PANEL
BO-95
1880 Author: Date:
2001 AVALON (RM808U)
DISASSEMBLY
1. REMOVE NO. 1 INSTRUMENT PANEL
(a) Remove the 3 screws.
(b) Using a screwdriver, remove the No.1 instrument panel.
HINT:
Tape the screwdriver tip before use.
2. REMOVE SIDE DEFROSTER NOZZLES
3. REMOVE NO. 1 DEFROSTER NOZZLE GARNISH
4. REMOVE NO. 1 INSTRUMENT PANEL PINS
5. REMOVE NO. 1 SIDE DEFROSTER NOZZLE DUCT
6. REMOVE NO. 2 SIDE DEFROSTER NOZZLE DUCT
7. REMOVE DEFROSTER NOZZLE
8. REMOVE NO. 5 HEATER TO REGISTER DUCT
9. REMOVE NO. 4 HEATER TO REGISTER DUCT
10. REMOVE METER HOOD SET BRACKETS
11. REMOVE CENTER BRACKET
12. REMOVE INSTRUMENT PANEL WIRE HARNESS
13. REMOVE FRONT PASSENGER AIRBAG ASSEMBLY
Remove the 6 nuts and front passenger airbag assembly as
shown in the illustration.
CAUTION:
Do not store the front passenger airbag assembly
with the airbag deployment side facing down.
Never disassemble the front passenger airbag as-
sembly.
NOTICE:
When removing the front passenger airbag assembly, take
care not to damage the wire harness.
14. REMOVE NO. 1 INSTRUMENT PANEL SAFETY PAD
15. REMOVE NO. 3 REGISTER