battery TOYOTA AVALON 2001 Service Owner's Guide
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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 212 of 1897
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.
Page 213 of 1897
N08958
270°
1 2
3
I14604
Press
1 2
- BODY ELECTRICALCOMBINATION METER
BE-63
1667 Author: Date:
2001 AVALON (RM808U)
30. INSPECT LIGHT CONTROL RHEOSTAT OPERATION
(a) Connect the positive (+) lead from the battery to terminal
1 and the negative lead (-) to terminal 3.
(b) Connect the positive (+) lead from the voltmeter to termi-
nal 2 and the negative lead (-) to terminal 3.
(c) Turn the rheostat knob and check that the voltage
changes.
If operation is not as specified, replace switch.
31. Passenger 's seat only:
INSPECT SEAT BELT WARNING OCCUPANT DETEC-
TION SENSOR CONTINUITY
Check that continuity exists between the terminals 1 and 2
when pressing the sensing part (electric resistance <100W).
If continuity is not as specified, replace the sensor.
Page 218 of 1897
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.
Page 222 of 1897
I12835
21
BE1ED-01
BE-120
- BODY ELECTRICALELECTRO CHROMIC MIRROR SYSTEM
1724 Author: Date:
2001 AVALON (RM808U)
INSPECTION
INSPECT ELECTRO CHROMIC INNER MIRROR OPERA-
TION
(a) Connect the positive (+) lead the battery to terminal 1 and
the negative (-) lead to terminal2.
(b) Shine an electric light on the mirror, and check that there
is battery positive voltage and mirror surface becomes
ºbrightº to ºdarkº.
If operation is not as specified, replace the inner mirror.
Page 238 of 1897
I04194
Wire Harness Side
- BODY ELECTRICALGARAGE DOOR OPENER SYSTEM
BE-171
1775 Author: Date:
2001 AVALON (RM808U)
3. INSPECT GARAGE DOOR OPENER SWITCH CIRCUIT
Disconnect the connector from the switch and inspect the con-
nector on the wire harness side, as shown.
Tester connectionConditionSpecified condition
1 - GroundConstantContinuity
2 - GroundConstantBattery positive voltage
If the circuit is not as specified, inspect the power source or wire
harness.