2001 TOYOTA AVALON Service Repair Manual

I01254
Wire Harness Side
4 3 2 1 BE-22
- BODY ELECTRICALHEADLIGHT AND TAILLIGHT SYSTEM
1626 Author
: Date
:
2001 AVALON (RM808U)
14. Connector disconnected:
INSPECT AUTOMATIC LIGHT CONTROL SENSOR
CIRCUIT
Disconnect the connector from the sensor and inspect the con-
nector on the wire harness side, as shown in the table.
Tester connectionConditionSpecified condition
3 - GroundConstantContinuity
1 - GroundIgnition switch LOCK or ACCNo voltage
1 - GroundIgnition switch ONBattery positive voltage
4 - GroundIgnition switch LOCK or ACCNo voltage
4 - GroundIgnition switch ON5.2 - 9.0 V
If circuit is as specified, perform the inspection on the following
page.
If the circuit is not as specified, inspect the circuit connected to
other parts.

BE0HV-04
I12524
Relay Block No.7

D.R.L. No.2, No.3 and No.4 Relay

HEAD LH UPR Fuse (w/ DRL)

HEAD RH UPR Fuse (w/ DRL)
Engine Room Junction Block

H-LP LH Fuse (w/o DRL)

H-LP LH-LWR Fuse (w/ DRL)

H-LP RH Fuse (w/o DRL)

H-LP RH-LWR Fuse (w/ DRL)

DRL Fuse

Headlight Control Relay
Headlight
Driver Side Junction Block

Taillight Control Relay

BODY ECU

TAIL Fuse

TAIL Relay
Ignition Switch
Taillight
Combination Switch

Light Control Switch

Dimmer Switch
Automatic Light Control Sensor
DRL: Daytime Running Light
- BODY ELECTRICALHEADLIGHT AND TAILLIGHT SYSTEM
BE-17
1621 Author
: Date
:
2001 AVALON (RM808U)
HEADLIGHT AND TAILLIGHT SYSTEM
LOCATION

BE1DL-01
I13328
w/ Sliding roof:
w/o Sliding roof:
N12373
ON
N20159
ON
OFFOhmmeter
I13329
ON
OFF
Z07389
- BODY ELECTRICALINTERIOR LIGHT SYSTEM
BE-31
1635 Author
: Date
:
2001 AVALON (RM808U)
INSPECTION
1. INSPECT FRONT PERSONAL LIGHT CONTINUITY
Switch positionTester connectionSpecified condition
OFF1 - 3No continuity
-2 - 3No continuity
ON1 - 3Continuity
If continuity is not as specified, replace the light assembly or
bulb.
2. INSPECT REAR INTERIOR LIGHT CONTINUITY
Switch positionTester connectionSpecified condition
OFF1 - 2No continuity
ON1 - 2Continuity
If continuity is not as specified, replace a bulb or rear personal
light.
3. INSPECT DOOR COURTESY SWITCH CONTINUITY
(a) Check that continuity exists between terminal and the
switch body with the switch ON (switch pin released:
opened door).
(b) Check that no continuity exists between terminal and the
switch body withe the swtich OFF (switch pin pushed in:
closed doors).
If operation is not as specified, replace the switch.
4. INSPECT VANITY LIGHT CONTINUITY
Switch positionTester connectionSpecified condition
OFF1 - 2No continuity
ON1 - 2Continuity
If continuity is not as specified, replace bulb or vanity light.
5. INSPECT LUGGAGE COMPARTMENT LIGHT CONTI-
NUITY
Switch positionTester connectionSpecified condition
OFF-No continuity
ON1 - 2Continuity
If continuity is not as specified, replace the light.

Z05876
ON
OFF
I14261
1
N01732
2
1 BE-32
- BODY ELECTRICALINTERIOR LIGHT SYSTEM
1636 Author
: Date
:
2001 AVALON (RM808U)
6. INSPECT LUGGAGE COMPARTMENT DOOR COUR-
TESY SWITCH CONTINUITY
ConditionTester connectionSpecified condition
OFF-No continuity
ON1 - Switch bodyContinuity
If operation is not as specified, replace the switch.
7. INSPECT INTERIOR LIGHT ASSEMBLY CONTINUITY
(a) Disconnect the connector from room light assembly.
(b) Turn the room light switch ON, check that there is continu-
ity between terminal 1 and body ground.
(c) Turn the room light switch DOOR, check that there is con-
tinuity between terminal 1 and 2.
If operation is not as specified, replace the switch.
8. INSPECT ILLMINATION ENTRY SYSTEM
(See Page BE-2)

BE0I2-03
I12527
Front Personal Light
Vanity LightInterior Light Assembly
Door Courtesy LightDoor Courtesy Switch
Door Courtesy Light
Door Courtesy Switch
Driver Side Junction Block

DOME Fuse

Body ECU
Rear Interior Light Assembly
Luggage Compartment Light
BE-30
- BODY ELECTRICALINTERIOR LIGHT SYSTEM
1634 Author
: Date
:
2001 AVALON (RM808U)
INTERIOR LIGHT SYSTEM
LOCATION

BE1DI-01
I01256
1 3
867 4
5 2
LOCKACC
START
ON
N20125
ONOFF
1 2
I05741
1 2
3 4
1
2 3
4
BE-16- BODY ELECTRICALIGNITION SWITCH AND KEY UNLOCK WARNING
SWITCH
1620 Author
: Date
:
2001 AVALON (RM808U)
INSPECTION
1. INSPECT IGNITION SWITCH CONTINUITY
Switch positionTester connectionSpecified condition
LOCK-No continuity
ACC2 - 3Continuity
ON2 - 3 - 4
6 - 7Continuity
START1 - 2 - 4
6 - 7 - 8Continuity
If continuity is not as specified, replace the switch.
2. INSPECT KEY UNLOCK WARNING SWITCH CONTI-
NUITY
ConditionTester connectionSpecified condition
Switch OFF
(Key removed) -No continuity
Switch ON
(Key set)1 - 2Continuity
If continuity is not as specified, replace the switch.
3. INSPECT IG1 RELAY CONTINUITY
ConditionTester connectionSpecified condition
Constant3 - 4Continuity
Apply B+ between
terninal 3 and 41 - 2Continuity
If continuity is not as specified, replace the switch.

BE0HT-04
I12523
Ignition Switch

Key Unlock Warning Switch
Driver Side Junction Block

ECU ACC Fuse

ECU I/G No.2 Fuse

IG1 Relay

BODY ECU
- BODY ELECTRICALIGNITION SWITCH AND KEY UNLOCK WARNING
SWITCHBE-15
1619 Author
: Date
:
2001 AVALON (RM808U)
IGNITION SWITCH AND KEY UNLOCK WARNING SWITCH
LOCATION

BE1EH-01
I03433
Not turned
Unlock
I13485
1
2
I13334
I04020
1
- BODY ELECTRICALLUGGAGE COMPARTMENT DOOR OPENER SYSTEM
BE-125
1729 Author
: Date
:
2001 AVALON (RM808U)
INSPECTION
1. INSPECT LUGGAGE COMPARTMENT DOOR KEY
LOCK AND UNLOCK SWITCH CONTINUITY
Switch positionTester connectionSpecified condition
Not turned-No continuity
UNLOCK1 - 2Continuity
If continuity is not as specified, replace the switch.
2. INSPECT LUGGAGE COMPARTMENT DOOR OPEN-
ER MAIN SWITCH CONTINUITY
Switch positionTester connectionSpecified condition
OFF-No continuity
ON1 - 2Continuity
If continuity is not as specified, replace the switch.
3. INSPECT LUGGAGE COMPARTMENT DOOR OPEN-
ER CANCEL SWITCH CONTINUITY
Switch positionTester connectionSpecified condition
OFF-No continuity
ON1 - 2Continuity
If continuity is not as specified, replace the switch.
4. INSPECT LUGGAGE COMPARTMENT DOOR OPEN-
ER MOTOR OPERATION
Connect positive (+) lead to the terminal 1 and negative (-) lead
to the opener motor body, and check that the motor operateds.
If operation is not as specified, replace the lock.