lights TOYOTA AVALON 2001 Service Repair Manual
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Page 3 of 1897
AC2GJ-01
I12984
3931: Bulb
- AIR CONDITIONINGAIR CONDITIONING CONTROL ASSEMBLY (Auto A/C)
AC-75
1997 Author: Date:
2001 AVALON (RM808U)
INSPECTION
1. INSPECT ILLUMINATION OPERATION
Connect the positive (+) lead from the battery to terminal 31 and
the negative (-) lead to terminal 39, then check that the illumina-
tion lights up.
If there is bulb not light up, replace the bulb only. If all bulbs do
not light up, replace the A/C control panel.
2. INSPECT A/C CONTROL AMPLIFIER CIRCUIT
(See page DI-759)
Page 68 of 1897
I12971
91 : Bulb
AC2GQ-01
I07872
I12972
11
10
I12973
11
10
1
- AIR CONDITIONINGHEATER CONTROL ASSEMBLY (Manual A/C)
AC-83
2005 Author: Date:
2001 AVALON (RM808U)
INSPECTION
1. INSPECT ILLUMINATION OPERATION
Connect the positive (+) lead from the battery to terminal 1 and
negative (-) lead to terminal 9 then check that the illuminations
lights up.
If operation is not as specified, check the faulty bulb.
2. INSPECT BULB
Apply the tester as shown in the illustration to the test for conti-
nuity.
If continuity exists, replace the heater control.
If no continuity exists, replace the bulb.
3. INSPECT A/C INDICATOR OPERATION
(a) Connect the positive (+) lead from the battery to terminal
10 and the negative (-) lead to terminal 11.
(b) Push the A/C button in and then check that the indicator
lights up.
If operation is not as specified, replace the switch.
4. INSPECT DIMMING OPERATION
(a) Connect the positive (+) lead from the battery to terminal
10 and the negative (-) lead to terminal 11 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.
Page 69 of 1897
I12974
I12975
10 8
I12976
10 8
1
I12977
I12978
10 7 AC-84
- AIR CONDITIONINGHEATER CONTROL ASSEMBLY (Manual A/C)
2006 Author: Date:
2001 AVALON (RM808U)
5. INSPECT A/C SWITCH CONTINUITY
Condition / CircuitTester connectionSpecified condition
OFF5 - 6No continuity
ON5 - 6Continuity
If operation is not as specified, replace the switch circuit board.
6. INSPECT RECIRC INDICATOR OPERATION
(a) Connect the positive (+) lead from the battery to terminal
10 and the negative (-) lead to terminal 8.
(b) Push the REC button in and then check that the indicator
lights up.
If operation is not as specified, replace the switch circuit board.
7. 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
4 and then check that the indicator dims.
If operation is not as specified, replace the switch circuit board.
8. INSPECT RECIRC SWITCH CONTINUITY
Condition / CircuitTester connectionSpecified condition
OFF18 - 8No continuity
ON18 - 8Continuity
If operation is not as specified, replace the switch circuit board.
9. INSPECT FRESH INDICATOR OPERATION
(a) Connect the positive (+) lead from the battery to terminal
10 and the negative (-) lead to terminal 8.
(b) Push the FRS button in and then check that the indicator
lights up.
If operation is not as specified, replace the switch circuit board.
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 207 of 1897
I13321
A
DC
B
I13324
Fuel Receiver Gauge
Battery Ignition
Switch
Z15787
Battery Ignition Switch
Fuel Receiver
Gauge
Wire Harness Side
Test
Bulb
(3.4 W)
I13319
A
DC
B
I13325
F
1/2
E 32
- BODY ELECTRICALCOMBINATION METER
BE-57
1661 Author: Date:
2001 AVALON (RM808U)
8. INSPECT TACHOMETER RESISTANCE
Measure the resistance between terminals with fixing pointer to
the stopper.
Tester connectionResistance (W)
A - B250
C - D250
If resistance value is not as specified, replace the meter.
9. INSPECT FUEL RECEIVER GAUGE OPERATION
(a) Disconnect the connector from the main sender gauge.
(b) Turn the ignition switch ON, check that the receiver gauge
needle indicates EMPTY.
(c) Connect terminals 2 and 3 on the wire harness side con-
nector through a 3.4 W test bulb.
(d) Turn the ignition switch ON, check that the bulb lights up
and receiver gauge needle moves toward the full side.
HINT:
Because of the silicon oil in the gauge, it will take a short time
for needle to stabilize.
If operation is not as specified, inspect the receiver gauge resis-
tance.
10. INSPECT FUEL RECEIVER GAUGE RESISTANCE
Measure the resistance between terminals with fixing pointer to
the stopper.
Tester connectionResistance (W)
A - B250
C - D250
If resistance value is not as specified, replace the receiver
gauge.
11. INSPECT FUEL SENDER GAUGE RESISTANCE
Measure the resistance between terminals 3 and 2 for each
float position.
Float position mm (in.)Resistance (W)
F: Approx. 91.1 (1.36) ± 3 (0.12)Approx. 2.0 ± 1.0
1/2: Approx. 34.2 (2.06) ± 3 (0.12)Approx. 26.1 ± 3.0
E: Approx. 30.8 (5.31) ± 3 (0.12)Approx. 48.7 ± 1.0
If resistance value is not as specified, replace the sender
gauge.
Page 208 of 1897
Z05730
BatteryIgnition
SwitchWarning Light
21
54 3
Z14203
Engine Coolant Temperature Gauge
Ignition
Switch
BatterySender
Gauge
Z15788
Engine Coolant Temperature Gauge
Ignition
Switch
BatteryTest Bulb
(3.4 W)
Wire Harness Side
1
I13322
A
DC
B BE-58
- BODY ELECTRICALCOMBINATION METER
1662 Author: Date:
2001 AVALON (RM808U)
12. INSPECT FUEL LEVEL WARNING LIGHT
(a) Disconnect the connector from the sender gauge.
(b) Connect terminals 1 and 3 on the wire harness side con-
nector.
(c) Turn the ignition switch ON, check that the warning light
lights up.
If the warning light does not light up, test the bulb or inspect wire
harness.
13. INSPECT ENGINE COOLANT TEMPERATURE RE-
CEIVER GAUGE OPERATION
(a) Disconnect the connector from the sender gauge.
(b) Turn the ignition switch ON, check that the receiver gauge
needle indicates COOL.
(c) Ground terminal on the wire harness side connector
through a 3.4 W test bulb.
(d) Turn the ignition switch ON, check that the bulb lights up
and the receiver gauge needle moves toward the hot
side.
If operation is as specified, replace the sender gauge.
Then recheck the system.
If operation is not as specified, measure the receiver gauge re-
sistance.
14. INSPECT ENGINE COOLANT TEMPERATURE RE-
CEIVER GAUGE RESISTANCE
Measure the resistance between terminals with fixing pointer to
the stopper.
Tester connectionResistance (W)
A - B250
C - D250
If resistance value is not as specified, replace the receiver
gauge.
Page 209 of 1897
I07709
35.63 ± 0.1 W
Slide
rheostat
35.63 ±
0.1 W
Z15789
Warning Light
Ignition
Switch
BatteryWire Harness
N06640
BE1217
Warning Light
Ignition
Switch
Battery
- BODY ELECTRICALCOMBINATION METER
BE-59
1663 Author: Date:
2001 AVALON (RM808U)
15. INSPECT ENGINE COOLANT TEMPERATURE SEND-
ER GAUGE RESISTANCE
Connect the wire harness as shown in the illustration, and ad-
just the ammeter pointer to indicate º0º using the slide rheostat,
then read the rheostat indication.
Temperature °C (°F)Resistance (W)
50 (122.0)160 - 240
120 (248.0)17.1 - 21.2
If resistance value is not as specified, replace the engine cool-
ant sender gauge.
16. INSPECT LOW OIL PRESSURE WARNING LIGHT
(a) Disconnect the connector from the warning switch and
ground terminal on the wire harness side connector.
(b) Turn the ignition switch ON, check that the warning light
lights up.
If the warning light does not light up, test the bulb or inspect wire
harness.
17. INSPECT LOW OIL PRESSURE WARNING SWITCH
OPERATION
(a) Check that continuity exists between the terminal and
ground with the engine stopped.
(b) Check that no continuity exists between the terminal and
ground with the engine running.
HINT:
Oil pressure should be over 29 kPa (0.35 kgf/cm
2, 4.3 psi)
If operation is not as specified, replace the switch.
18. INSPECT BRAKE WARNING LIGHT
(a) Disconnect the connector from the brake fluid warning
switch.
(b) Release the parking brake pedal.
(c) Connect the terminals on the wire harness side of the lev-
el warning switch connector.
(d) Start the engine, check that the warning light lights up.
If the warning light does not light up, test the bulb or wire har-
ness.
Page 210 of 1897
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.
Page 211 of 1897
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.
Page 226 of 1897
BE0B2-14
START
Insert the key in the key cylinder.
Under registration
Registration completion
Remove the key.
Will you register the
next key?
NoSecurity indicator blinks until the first
key is inserted. The indicator lights up
after the key registration.
Security Indicator ON
Security Indicator
OFF
END Ye s
Security Indicator ON
(After the last key (sub-key)
has been registered, the indi-
cator goes off.)
BE-172
- BODY ELECTRICALENGINE IMMOBILISER SYSTEM
1776 Author: Date:
2001 AVALON (RM808U)
ENGINE IMMOBILISER SYSTEM
REGISTRATION PROCEDURE
1. KEY REGISTRATION IN AUTOMATIC REGISTRATION MODE
(a) Registration of a new transponder key.
HINT:
This must be done when you have installed a new ECM.
The new ECM is in the automatic key code registration mode. The already fixed number of key codes
for this ECM can be registered.
On this type of vehicle, up to 4 key codes can be registered.
In the automatic registration mode, the last key registered becomes sub-key.