2001 TOYOTA AVALON Service Repair Manual

BE0O9-02
Sliding Roof reverses during close (down) operation.
Start
Mechanical check
Replace sliding roof motor with ECU. Perform forced operation.*
*: Holding the CLOSE/UP (OPEN/DOWN) switch pressed inhibits the jam protection function at approx.
10 sec. after starting the reverse operation.
If the switch remains pressed any longer, the sliding door starts close operation and it stops when
detecting the fully closed position.
CLOSE/UP
(OPEN/DOWN)
SWITCHON
OFF
Close
(Down)
Roof OperationStop Forced Operation Reverse
Stop
Close (Down)
Close Position Approx. 10 sec.
HINT:
At approx. 10 sec. after starting the reverse operation, it is switched to the forced close (down) operation.
- BODY ELECTRICALSLIDING ROOF SYSTEM
BE-101
1705 Author
: Date
:
2001 AVALON (RM808U)
SLIDING ROOF SYSTEM
TROUBLESHOOTING

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.

- BODY ELECTRICALTROUBLESHOOTING
BE-3
1607 Author
: Date
:
2001 AVALON (RM808U)
INTERIOR LIGHT SYSTEM:
This system uses the multiplex communication system, so check diagnosis system of the multiplex commu-
nication system before checking the body control system.
BACK-UP LIGHT SYSTEM:
SymptomSuspect AreaSee page
Back-Up Light does not light up.
1. GAUGE Fuse
2. Ignition Switch
3. Park/Neutral Position Switch
4. Back-up Light Relay (Column Shift)
5. Bulb
6. Wire Harness-
BE-16
DI-199
BE-34
-
-
Back-Up Light remains always ON.
1. Park/Neutral Position Switch
2. Back-up Light Relay (Column Shift)
3. Wire HarnessDI-199
BE-34
-
Only one light does not light up.1. Bulb
2. Wire Harness-
-
STOP LIGHT SYSTEM:
SymptomSuspect AreaSee page
Stop light does not light up.
1. STOP Fuse
2. GAUGE Fuse
3. Stop Light Switch
4. Light Failure Sensor
5. Wire Harness-
-
BE-36
BE-53
-
Only one light always lights up.1. Wire Harness-
Only one light does not light.1. Bulb
2. Wire Harness-
-
WIPER AND WASHER SYSTEM:
SymptomSuspect AreaSee page
Wiper and washers do not operate.
1. IG 1 Relay
2. WIPER Fuse
3. Wiper Switch
4. Wiper Motor
5. Wire Harness-
-
BE-38
BE-38
-
Wipers do not operate in LO or HI.
1. Wiper Switch
2. Wiper Motor
3. Wire HarnessBE-38
BE-38
-
Wipers do not operate in INT.
1. Wiper Fuse
2. Wiper Switch
3. Wiper Motor
4. Wire Harness-
BE-38
BE-38
-
Washer motor does not operate.
1. Washer Switch
2. Washer Motor
3. Wire HarnessBE-38
BE-38
-
Wipers do not operate when washer switch in ON.1. Washer Motor
2. Wire HarnessBE-38
-
Washer fluid does not operate.1. Washer Hose and Nozzle-

In wiper switch HI position, the wiper blade is in contact with
the body.

When the wiper switch is OFF, the wiper blade does not
retract or the retract position is wrong.1. *1Wiper Switch
2. Wire HarnessBE-38
-
*1: Inspect wiper arm and blade set position

BE-4
- BODY ELECTRICALTROUBLESHOOTING
1608 Author
: Date
:
2001 AVALON (RM808U)
COMBINATION METER (Meter, Gauges and Illumination):
SymptomSuspect AreaSee page
Tachometer, Fuel Gauge and Engine Coolant Temperature Gauge
do not operate.
1. ECU-B Fuse
2. ECU-IG No. 2 Fuse
3. Meter Circuit Plate
4. Wire Harness
5. Multi Display-
-
BE-43
-
-
Speedometer does not operate.
1. Vehicle Speed Sensor (ABS - ECU)
2. Meter Circuit Plate
3. Wire Harness
4. Multi DisplayBE-53
BE-43
-
-
Tachometer does not operate.
1. EFI - ECU
2. Meter Circuit Plate
3. Wire Harness
4. Multi Display-
BE-43
-
-
Fuel Gauge does not operate or abnormal operation.
1. Fuel Receiver Gauge
2. Fuel Sender Gauge
3. Meter Circuit Plate
4. Wire HarnessBE-53
BE-53
BE-43
-
Engine Coolant Temperature Gauge does not operate or abnormal
operation.
1. Engine Coolant Temperature Receiver Gauge
2. Engine Coolant Temperature Sender Gauge
3. Meter Circuit Plate
4. Wire HarnessBE-53
BE-53
BE-43
-
All illumination lights do not light up.
1. Bulb
2. PANEL Fuse
3. Light Control Rheostat
4. Wire Harness-
-
BE-53
-
Brightness does not change even when rheostat turned.
1. Bulb
2. Rheostat
3. Wire Harness-
-
-
Only one illumination light does not light up.1. Bulb
2. Wire Harness-
-
COMBINATION METER (Warning Lights):
SymptomSuspect AreaSee page
Warning lights do not light up. (Except Discharge, Open Door and
SRS)
1. Bulb
2. GAUGE No. 1 Fuse
3. Meter Circuit Plate
4. Wire Harness-
-
BE-53
-
Low Oil Pressure warning light does not light up.
1. Multi Display
2. Bulb
3. Low Oil Pressure Warning Switch
4. Meter Circuit Plate
5. Wire Harness-
-
BE-53
BE-43
-
Fuel Level warning light does not light up.
1. Multi Display
2. Bulb
3. Fuel Sender Gause
4. Meter Circuit Plate
5. Wire Harness-
-
BE-53
BE-43
-
ABS warning light does not light up.
1. Bulb
2. ABS ECU
3. Wire Harness-
DI-210
-

- BODY ELECTRICALTROUBLESHOOTING
BE-5
1609 Author
: Date
:
2001 AVALON (RM808U) Seat Belt warning light does not light up.
1. Bulb
2. Body Control System
3. Meter Circuit Plate
4. Wire Harness-
DI-615
BE-53
-
Discharge warning light does not light up.
1. AM2 - Fuse
2. Bulb
3. Meter Circuit Plate
4. Wire Harness
5. Generator-
-
BE-53
-
CH-9
Light Failure warning light does not light up.
1. Bulb
2. Light Failure Sensor
3. Bulb Check Relay
4. Wire Harness
5. Taillight System-
BE-53
BE-53
-
BE-2
Brake warning light does not light up.
1. Bulb
2. Parking Brake Switch
3. Brake Fluid Level Warning Switch
4. Bulb Check Relay
5. Meter Circuit Plate
6. Wire Harness-
BE-53
BE-53
BE-53
BE-43
-
SRS Warning light does not light up.
1. AM2 - Fuse
2. Bulb
3. Airbag Sensor Assembly
4. Meter Circuit Plate
5. Wire Harness-
-
RS-62
RS-67
BE-43
Open Door warning light does not light up.
1. DOME Fuse
2. Bulb
3. Door Courtesy Switch
4. Body Control System
5. Meter Circuit Plate
6. Wire Harness-
-
BE-31
DI-615
BE-43
-
Washer Level warning light does not light up.
1. Bulb
2. Washer Fluid Level Warning Switch
3. Meter Circuit Plate
4. Wire Harness-
BE-53
BE-43
-
COMBINATION METER (Indicator Lights):
SymptomSuspect AreaSee page
O/D OFF indicator light does not light up.
1. Bulb
2. O/D OFF Switch
3. ECM
4. Meter Circuit Plate
5. Wire Harness-
DI-203
DI-1
BE-43
-
Cruise Control indicator light does not light up.
1. Bulb
2. Cruise Control ECU
3. Meter Circuit Plate
4. Wire Harness-
DI-549
BE-43
-
High beam indicator light does not light up.
1. Bulb and Taillight
2. Headlight System
3. Meter Circuit Plate
4. Wire Harness-
BE-2
BE-43
-
Turn indicator light does not light up.
1. Bulb
2. Turn Signal and Hazard Warning System
3. Meter Circuit Plate
4. Wire Harness-
BE-2
BE-43
-