2001 TOYOTA AVALON bulb

N02346
ON OFF
1 2
Z11183
1
Z15790
Warning Light
Ignition
Switch
BatteryWire Harness Side
123 45
6789101112
BE-60
- BODY ELECTRICALCOMBINATION METER
1664 Author
: Date
:
2001 AVALON (RM808U)
19. INSPECT BRAKE FLUID LEVEL WARNING SWITCH
OPERATION
(a) Remove the reservoir tank cap and strainer.
(b) Disconnect the connector.
(c) Check that no continuity exists between the terminals with
the switch OFF (float up).
(d) Use a siphon, etc. to take fluid out of the reservoir tank.
(e) Check that continuity exists between the terminals with
the switch ON (float down).
(f) Pour the fluid back in the reservoir tank.
If operation is not as specified, replace the switch.
20. INSPECT PARKING BRAKE WARNING SWITCH CON-
TINUITY
(a) Check that continuity exists between terminal and switch
body with the switch ON (switch pin released).
(b) Check that no continuity exists between terminal and
switch body with the switch OFF (switch pin pushed in).
If operation is not as specified, replace the switch or inspect
ground point.
21. INSPECT REAR LIGHTS WARNING LIGHT
(a) Disconnect the connector from the light failure sensor and
ground terminal 4 on the wire harness side connector.
(b) Start the engine, check that the warning light lights up.
If the warning light does not light up, test the bulb or inspect wire
harness.

Z07425
Wire harness side:
12 123 45
67 891011
Z05732
Warning Light
Ignition
Switch
Battery
1
I14605
Warning Light
Ignition
Switch
Battery
1 2
- BODY ELECTRICALCOMBINATION METER
BE-61
1665 Author
: Date
:
2001 AVALON (RM808U)
22. INSPECT LIGHT FAILURE SENSOR CIRCUIT
Disconnect the connector from the sensor and inspect the con-
nector on the wire harness side, as shown.
Tester connectionConditionSpecified condition
1 - GroundConstantContinuity*
2 - GroundConstantContinuity*
9 - GroundConstantContinuity*
10 - GroundConstantContinuity*
11 - GroundConstantContinuity
12 - GroundConstantContinuity*
3 - GroundLight control switch OFFNo voltage
3 - GroundLight control switch TAIL or HEADBattery positive voltage
4, 8 - GroundIgnition switch LOCK or ACCNo voltage
4, 8 - GroundIgnition switch ONBattery positive voltage
7 - GroundStop light switch OFFNo voltage
7 - GroundStop light switch ONBattery positive voltage
*: There is resistance because this circuit is grounded through
the bulb.
If the circuit is as specified, replace the sensor.
If the circuit is not as specified, inspect the circuits connected
to other parts.
23. INSPECT OPEN DOOR WARNING LIGHT
Disconnect the connector from the door courtesy switch, and
ground terminal 1 on the wire harness side connector and
check that the warning light lights up.
If the warning light does not light up, inspect the bulb or wire har-
ness.
24. INSPECT DOOR COURTESY SWITCH
(See page BE-31)
25. INSPECT SEAT BELT WARNING LIGHT
(a) Disconnect the connector from the terminals buckle
switch and ground terminal on the wire harness side con-
nector as shown in the illustration.
(b) Turn the ignition switch ON and check that the warning
light lights up.
If the warning light does not light up, check the bulb circuit.

Z14380
ON OFF
BE1217
Warning Light
Ignition
Switch
Battery
N20217
OFF
ONOhmmeter
Z10258
Wire harness side:
12 BE-62
- BODY ELECTRICALCOMBINATION METER
1666 Author
: Date
:
2001 AVALON (RM808U)
26. INSPECT BUCKLE SWITCH CONTINUITY
(a) Check that continuity exists between the terminals on the
switch side connector with the switch ON (belt unfas-
tened).
(b) Check that no continuity exists between the terminals on
the switch side connector with the switch OFF (belt fas-
tened).
27. INSPECT WASHER LEVEL WARNING LIGHT
(a) Disconnect the connectors from the level warning switch.
(b) Connect terminals on the wire harness side connector of
the level warning switch connector.
(c) Turn the ignition switch ON, check that the warning light
come on.
If the warning light does not light up, test the bulb.
28. INSPECT WASHER LEVEL WARING SWITCH
(a) Check that no continuity exists between terminals with the
switch OFF (float up).
(b) Check that continuity exists between terminals with the
switch ON (float down).
If operation is not as specified, replace the switch.
29. INSPECT WASHER FLUID LEVEL WARNING SWITCH
CIRCUIT
Disconnect the switch connector and inspect the connector on
wire harness side.
Tester connectionConditionSpecified condition
2 - GroundConstantContinuity
If the warning light does not light up, test the bulb or inspect wire
harness.

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.

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.

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.

BE1DM-01
N18026
2
1
21
3
4 Free Pushed in
Free Pushed in w/o Cruise Control:
w/ Cruise Control:
I13416
BE-36
- BODY ELECTRICALSTOP LIGHT SYSTEM
1640 Author
: Date
:
2001 AVALON (RM808U)
INSPECTION
1. w/o Cruise Control:
INSPECT STOP LIGHT SWITCH CONTINUITY
Switch positionTester connectionSpecified condition
Switch pin free1 - 2Continuity
Switch pin pushed in1 - 2No continuity
If continuity is not as specified, replace the switch.
2. w/ Cruise Control:
INSPECT STOP LIGHT SWITCH CONTINUITY
Switch positionTester connectionSpecified condition
Switch pin free1 - 2Continuity
Switch pin pushed in1 - 2No continuity
Switch pin free3 - 4No continuity
Switch pin pushed in3 - 4Continuity
If continuity is not as specified, replace the switch.
3. INSPECT HI- MOUNTED STOP LIGHT ASSEMBLY
CONTINUITY
Using the ohmmeter,check that continuity exists between termi-
nal 1 and terminal 2.
If continuity is not as specified,replace the light assembly or
bulb.

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.