Page 296 of 1897
BE02C-1 1
The window moves down during the up operation.1
With ignition switch ON, when performing the auto-up operation,
if the factor which increases the sliding resistance of window
glass near the inverse position is recognized.
Disassemble the door and replace or repair the
component.
Reset the limit switch.
If power window regulator and motor operate smoothly.
Ye s
No
Check or repair door glass run and window guide
frame.
Replace the driver door control ECU with the normal one
removed from another seat. Sliding resistance check:
Power window motor reset:
Check operation power window control is normal.
Remove power window regulator assembly.
When raising the assembled window glass by hand if the glass slides
smoothly without being caught.
Ye s Sliding resistance check:
Unit check:
Install power window regulator and reset the limit switch.
Power window motor reset: *1
Check operation power window control is normal.
Power window motor faulty.
Ye s
No
Normal.
(After checking the operation repeatedly, perform the
function check.)
No
Driver door control ECU faulty.Ye s
No
HINT: When difference of descending time comparing
to the opposite window is recognized, there seems to
be an error on sliding components (door glass run
and window regulator.)
BE-70
- BODY ELECTRICALPOWER WINDOW CONTROL SYSTEM
1674 Author: Date:
2001 AVALON (RM808U)
POWER WINDOW CONTROL SYSTEM
TROUBLESHOOTING
Page 297 of 1897
2The DOWN function does not work though some other objects are caught in the power window glass.
Is the system in the jam protection function operating
condition?
The AUTO UP operation works with the ignition
switch ON. (One-touch operation)Normal (Perform function check)
Normal
(After performing operation check repeatedly,
conduct the function check.) Is the power window outside the jam protection func-
tion operating area?
< Out of the operating area >
Area around the fully closed position
Reset the limit switch.
*2
Does the power window operate normally?
Master switch defective.No
Ye s
Ye s
No No Ye s
- BODY ELECTRICALPOWER WINDOW CONTROL SYSTEM
BE-71
1675 Author: Date:
2001 AVALON (RM808U)
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 303 of 1897
BE1E2-01
I04045
Wire Harness Side:
- BODY ELECTRICALSLIDING ROOF SYSTEM
BE-103
1707 Author: Date:
2001 AVALON (RM808U)
INSPECTION
1. INSPECT SLIDING ROOF CONTROL SWITCH CONTI-
NUITY
Switch positionTester connectionSpecified condition
Slide Open2 - 3Continuity
Tilt Up1 - 2Continuity
If continuity is not as specified, replace the switch.
2. INSPECT SLIDING ROOF CONTROL ASSEMBLY CIR-
CUIT
Disconnect the connector from the assembly and inspect the
connector on the wire harness side, as shown in the chart.
Tester connectionConditionSpecified condition
3 - Ground
Driver's door courtesy switch ºONº
(Door opened)Continuity3 Ground
(DCTY)Driver's door courtesy switch ºOFFº
(Door closed)No continuity
4 - Ground
Passenger's door courtesy switch ºONº
(Door opened)Continuity4 Ground
(PCTY)Passenger's door courtesy switch ºOFFº
(Door closed)No continuity
5 - Ground
(+B)ConstantBattery positive voltage
7 - Ground
(E)ConstantContinuity
8 - GroundIgnition switch LOCK or ACCNo voltage8 Ground
(IG)Ignition switch ONBattery positive voltage
9 - Ground
(DOWN)Sliding roof control switch OPEN / DOWNContinuity
9 - Ground
(DOWN)Sliding roof control switch CLOSE / UPNo continuity
10 - GroundSliding roof control switch CLOSE / UPContinuity10 Ground
(UP)Sliding roof control switch OPEN / DOWNNo continuity
*: Exceptions: During 60 second period after ignition switch ON
" OFF (ACC) or until driver of passenger door in opened after
ignition switch ON " OFF (ACC).
If circuit is as specified, replace the assembly.
Page 304 of 1897
BE0IP-06
I12542
Instrument Panel Junction Block
Sun Roof Fuse
GAUGE No,1 FuseIgnition Switch Sliding Roof Assembly
Sliding Roof Switch
Sliding Roof Control ECU
Door Courtesy Switch
BE-102
- BODY ELECTRICALSLIDING ROOF SYSTEM
1706 Author: Date:
2001 AVALON (RM808U)
LOCATION
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 307 of 1897
- 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
