Page 70 of 1897
I12979
10 8
1
I12977
I12980
10 8
4
I12981
10 8
41
I12982
- AIR CONDITIONINGHEATER CONTROL ASSEMBLY (Manual A/C)
AC-85
2007 Author: Date:
2001 AVALON (RM808U)
10. INSPECT DIMMING OPERATION
(a) Connect the positive (+) lead from the battery to terminal
10 and the negative (-) lead to terminal 8 while press the
switch.
(b) Connect the positive (+) lead from the battery to terminal
1 and then check that the indicator dims.
If operation is not as specified, replace the switch circuit board.
11. INSPECT FRESH SWITCH CONTINUITY
Condition / CircuitTester connectionSpecified condition
OFF17 - 8No continuity
ON17 - 8Continuity
If operation is not as specified, replace the switch circuit board.
12. INSPECT REAR DEFOGGER INDICATOR OPERA-
TION
(a) Connect the positive (+) lead from the battery to terminal
10, 4 and negative (-) lead to terminal 8.
(b) Push the RDEF button in and then check that the indicator
lights up.
If operation is not as specified, replace the switch circuit board.
13. INSPECT DIMMING OPERATION
(a) Connect the positive (+) lead from the battery to terminal
10, 4 and negative (-) lead to terminal 8 while press the
switch.
(b) Connect the positive (+) lead from the battery to terminal
1 and then check that the indicator dims.
If operation is not as specified, replace the switch circuit board.
14. INSPECT REAR DEFOGGER SWITCH CONTINUITY
Condition / CircuitTester connectionSpecified condition
OFF4 - 8No continuity
ON4 - 8Continuity
If operation is not as specified, replace the switch circuit board.
Page 218 of 1897
I12825
34 4017 18
BE0IG-03
I12826
34
17 18
40
ON
ON
W/ Mirror Heater:
W/O Mirror Heater:
I057411
2 34
4 321
I13308
3
6
I13307
5
10
- BODY ELECTRICALDEFOGGER SYSTEM
BE-67
1671 Author: Date:
2001 AVALON (RM808U)
INSPECTION
1. A/C control panel assembly:
INSPECT DEFOGGER SWITCH OPERATION
(a) Connect the positive (+) lead from the battery to terminal
17, 18 and negative (-) lead to terminal 40.
(b) Connect the positive (+) lead from the battery to terminal
24 through a 1.4 W test bulb.
(c) Turn the defogger switch ON and check that the test bulb
and indicator light turn ON, then turn OFF after about 15
minutes.
If operation is not as specified, proceed to the next inspection.
2. INSPECT DEFOGGER RELAY CONTINUITY
ConditionTester connectionSpecified condition
Constant3 - 4Continuity
Apply B+ between
terminals 3 and 4.1 - 2Continuity
If continuity is not as specified, replace the relay.
3. W/ Mirror defogger:
INSPECT MIRROR DEFOGGER OPERATION
(a) Connect the positive (+) lead from the battery to terminal
3 and the negative (-) lead to terminal 6.
(b) Check that the mirror becomes warm.
HINT:
It will take a short time for the mirror to become warm.
If the mirror does not become warm, replace the mirror assem-
bly.
4. W/ Mirror defogger and driving position memory:
INSPECT MIRROR DEFOGGER OPERATION
(a) Connect the positive (+) lead from the battery to terminal
5 and the negative (-) lead to terminal 10.
(b) Check that the mirror becomes warm.
HINT:
It will take a short time for the mirror to become warm.
If the mirror does not become warm, replace the mirror assem-
bly.
Page 234 of 1897
BE052-07
I12791
A
- BODY ELECTRICALFOG LIGHT SYSTEM
BE-27
1631 Author: Date:
2001 AVALON (RM808U)
ADJUSTMENT
ADJUST FOG LIGHT AIM
A-bolt: Vertical Direction
Page 235 of 1897
BE0HZ-04
I12795
OFFON
54
1 2 3
15 166
7 8
9 10
11 17
14 13 12
I05027
1 2
3 55
2 13
BE-26
- BODY ELECTRICALFOG LIGHT SYSTEM
1630 Author: Date:
2001 AVALON (RM808U)
INSPECTION
1. INSPECT FOG LIGHT SWITCH CONTINUITY
Switch positionTester connectionSpecified condition
OFF-No continuity
ON10 - 11Continuity
If continuity is not as specified, replace the switch.
2. INSPECT FOG LIGHT RELAY CONTINUITY
ConditionTester connectionSpecified condition
Constant1 - 2Continuity
Apply B+ between
terminals 1 and 2.3 - 5No continuity
If continuity is not as specified, replace the relay.
Page 236 of 1897
BE050-07
I12525
Fog Light
Combination Switch
Fog Light Switch
Driver Side Junction Block
Fog Light Relay
FOG Fuse
- BODY ELECTRICALFOG LIGHT SYSTEM
BE-25
1629 Author: Date:
2001 AVALON (RM808U)
FOG LIGHT SYSTEM
LOCATION
Page 267 of 1897
N21376
Wire Harness Side
123 4 56 78910
h-10-1-c
N13659
6
5
I13295
1
2
I13296
1
2
- BODY ELECTRICALPOWER MIRROR CONTROL SYSTEM
BE-1 15
1719 Author: Date:
2001 AVALON (RM808U)
5. INSPECT MIRROR SWITCH CIRCUIT
Disconnect the connector from the switch and inspect the con-
nector on the wire harness side.
Tester connectionConditionSpecified condition
8 - GroundConstantContinuity
4 - GroundIgnition switch position LOCKNo voltage
4 - GroundIgnition switch position ACC or ONBattery voltage
If the circuit is not as specified, inspect the circuits connected
to other parts.
6. INSPECT MIRROR SWITCH INDICATOR LIGHT OP-
ERATION
Connect the positive (+) lead from the battery to terminal 5 and
the negative (-) lead to terminal 6, and check that the indicator
light does not light up, replace the switch.
7. w/o Mirror defogger and driving position memory:
INSPECT MIRROR MOTOR OPERATION
(a) Connect the positive (+) lead from the battery to terminal
1 and the negative (-) lead to terminal 2, and check that
the mirror turns to the left side.
(b) Reverse the polarity, and check that the mirror turns to the
right side.
Page 306 of 1897
BE04Q-06
BE-2
- BODY ELECTRICALTROUBLESHOOTING
1606 Author: Date:
2001 AVALON (RM808U)
TROUBLESHOOTING
PROBLEM SYMPTOMS TABLE
POWER OUTLET
SymptomSuspect AreaSee page
Electric power source cannot be taken out of the power outlet11. PWR OUTLET No. 1, 2 Fuse
12.Wire Harness-
-
IGNITION SWITCH AND KEY UNLOCK WARNING SWITCH:
This system uses the multiplex communication system, so check diagnosis system of the multiplex commu-
nication system before checking the body control system.
HEADLIGHT AND TAILLIGHT SYSTEM:
This system uses the multiplex communication system, so check diagnosis system of the multiplex commu-
nication system before checking the body control system.
FOG LIGHT SYSTEM:
SymptomSuspect AreaSee page
Fog light does not light with light control SW HEAD.
(Headlight is normal)
1. FOG Fuse
2. Fog Light Relay
3. Fog Light Switch
4. Wire Harness-
BE-26
BE-26
-
Fog light does not light with light control SW HEAD.
(Headlight does not light)1. Other Parts*1
2. Wire Harness
-
-
Only one light does not light.1. Bulb
2. Wire Harness-
-
*1: Inspect Headlight System.
TURN SIGNAL AND HAZARD WARNING SYSTEM:
SymptomSuspect AreaSee page
ºHazardº and ºTurnº do not light up.
1. Hazard Warning Switch
2. Turn Signal Flasher
3. Wire HarnessBE-29
BE-29
-
The flashing frequency is abnormal.
1. Bulb
2. Turn Signal Switch
3. Wire Harness-
BE-29
-
Hazard warning light does not light up.
(Turn is normal.)1. HAZ Fuse
2. Wire Harness-
-
Hazard warning light does not light up in one direction.1. Hazard Warning Switch
2. Wire HarnessBE-29
-
*1Turn signal does not light up.
1. Ignition Switch
2. TURN Fuse
3. Turn Signal Switch
4. Wire HarnessBE-16
-
BE-29
-
*2Turn signal does not light up.
1. TURN Fuse
2. Turn Signal Switch
3. Wire Harness-
BE-29
-
Turn signal does not light up in one direction.1. Turn Signal Switch
2. Wire HarnessBE-29
-
Only one bulb does not light up.1. Bulb
2. Wire Harness-
-
*1: Combination Meter, Wiper and Washer do not operate.
*
2: Combination Meter, Wiper and Washer are normal.
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.
