Page 203 of 1897
I12783
Connector ºAº
Connector ºBº
BE1DS-01
- BODY ELECTRICALCOMBINATION METER
BE-53
1657 Author: Date:
2001 AVALON (RM808U)
INSPECTION
1. INSPECT COMBINATION METER CIRCUIT
Disconnect connector ºAº and ºBº from the combination meter
and inspect the connectors on the wire harness side as shown
in the table.
Tester connectionConditionSpecified condition
A11 - GroundHeadlight Dimmer switch HIBattery positive voltage
A14 - GroundConstantBattery positive voltage
A15 - GroundIgnition switch ONBattery positive voltage
A16 - GroundLight control switch TAIL or HEADBattery positive voltage
A7 G dO/D main switch ONContinuityA7 - GroundO/D main switch OFFNo continuity
A19 G d
Ignition switch ON and rheostat light control vol-
ume OFF4.5 5.5 V
A19 - GroundIgnition switch ON and rheostat light control vol-
ume ONNo voltage
A20 - GroundConstantContinuity
A21 - GroundConstantContinuity
If circuit is not as specified, wiring diagram and inspect the cir-
cuits connected to other parts.
Page 205 of 1897
I12784
Connector ºDº
Connector ºBº
- BODY ELECTRICALCOMBINATION METER
BE-55
1659 Author: Date:
2001 AVALON (RM808U)
G11 G dIgnition switch ONBattery positive voltageG11 - GroundIgnition switch OFF or ACCNo voltage
G12 - GroundEngine runningBattery positive voltage
If circuit is not as specified, wiring diagram and inspect the cir-
cuits connected to other parts.
3. INSPECT BETWEEN COMBINATION METER AND
MULTI INFORMATION DISPLAY CIRCUIT
Disconnect connector ºBº, ºDº from the multi information display
and combination meter inspect the connectors on the wire har-
ness side as shown in the table.
Tester connectionSpecified condition
B2 - D2Continuity
B3 - D3Continuity
B4 - D4Continuity
B5 - D5Continuity
B6 - D6Continuity
B8 - D8Continuity
B9 - D9Continuity
B10 - D10Continuity
B11 - D11Continuity
B12 - D12Continuity
B13 - D13Continuity
B14 - D14Continuity
If circuit is not as specified, wiring diagram and inspect the cir-
cuits connected to other parts.
4. INSPECT SPEEDOMETER ON-VEHICLE
Using a speedometer tester, inspect the speedometer for allow-
able indication error and check the operation of the odometer.
HINT:
Tire wear and tire over or under inflation will increase the indica-
tion error.
USA (mph)CANADA TAIWAN (km/h)
Standard indication Allowable range Standard indication Allowable range
20 18 - 24 20 17 - 24
40 38 - 44 40 38 - 46
60 58 - 66 60 57.5 - 67
80 78 - 88 80 77 - 88
100 98 - 110 100 96 - 109
120 118 - 132 120 115 - 130
140 134 - 151.5
160 153 - 173
If error is excessive, replace the speedometer.
Page 598 of 1897
F09799
ABS Actuator and ECU
A7 20
WA
Engine Room J/BEngine Room R/B No. 5
AM1
5 512
BIgnition Switch Driver Side J/B Multi Display
GAUGE No. 1
IG1 Relay10
1D
12
3 44
1C 3
1B1
1G W J/B No. 4
ABS
M65
M64
13
4F4
4DIE115
Battery FL Block
ALT 1
F8F61
BFL MAIN
IGB
B 7 A21
Active Light Relay
1 R-L
R-L
B-L ABS
D2
DLC215 4B
J/B No. 4
15 4A15
4HR-L
R-B R-B
4
W-R
IG1 AM12
7
IF1
1
2G1
2H
1
F10 W-BW-L
W-L 14
- DIAGNOSTICSANTI-LOCK BRAKE SYSTEM WITH ELECTRONIC
BRAKE FORCE DISTRIBUTION (EBD)DI-243
399 Author: Date:
2001 AVALON (RM808U)
ABS Warning Light Circuit
CIRCUIT DESCRIPTION
If the ECU detects trouble, the ABS warning light lights up and ABS control is prohibited at the same time.
At this time, the ECU records a DTC in memory.
Connecting terminals Tc and E
1 of the DLC1 makes the ABS warning light blink and output the DTC.
WIRING DIAGRAM
DI6NM-02
Page 602 of 1897
F09801
ABS Actuator
and ECU
A713
Battery J/B No. 3A21
Active Light Relay
Multi DisplayY-B
BRAKEPKB
PKB
Ignition Switch
IF1 A721
EBDW IE15
Y-B
6 5
8 3 Y-G
3B14
3A
6 3B
5
Y-G
B4
15R-W
IE116
R-Y
Y-G
1
P3
Parking
Brake
Switch W-BBody ECU
J1
J/CDriver Side J/B
B1
Bake Fluid
Level Warning
Switch
J/B No. 3
R-W3H
153B
15
15
3A
12
1I8
1H
R-W
1
2
B B
Engine Room J/BDriver Side J/BGAUGE No. 1 IG1 Relay
4
2D4
2F
W-B
ED
R-WR-WIC17
M63
M64R-B
J/B No. 4
13
4F4
4D
R-B
10
1D 1
2
3 44
1C 3
1B1
1G W
IGW-BEngine Room J/BEngine Room R/B No. 57
BAM1
B-L
FL Block
ALT5 512 1
2H 1
2G
1
F8
F10F61
BFL MAIN W-B
142
W-R
W-L
W-L R-Y DI-240
- DIAGNOSTICSANTI-LOCK BRAKE SYSTEM WITH ELECTRONIC
BRAKE FORCE DISTRIBUTION (EBD)
396 Author: Date:
2001 AVALON (RM808U)
BRAKE Warning Light Circuit
CIRCUIT DESCRIPTION
The BRAKE warning light lights up when the brake fluid is insufficient, parking brake is applied or the EBD
is defective.
WIRING DIAGRAM
DI6NL-02
Page 606 of 1897
DI6NC-01
F09803
ABS Actuator and ECU
+B
BAT
GND1
GND2 W-B
FL MAINFL Block
ALT
B-L
BatteryA717
A718
A719
A716 L
L
W-B
EE5 5
12 B
10 2F
42F 12H
12G
W-B
ED 1
F8 1
F6
BABS Engine Room R/B No. 5
Engine Room J/B
- DIAGNOSTICSANTI-LOCK BRAKE SYSTEM WITH ELECTRONIC
BRAKE FORCE DISTRIBUTION (EBD)DI-219
375 Author: Date:
2001 AVALON (RM808U)
CIRCUIT INSPECTION
DTC 11 ABS Solenoid Relay Circuit
CIRCUIT DESCRIPTION
This relay supplies power to each ABS solenoid. After the ignition switch is turned ON, if the initial check is
OK, the relay goes on.
DTC No.DTC Detecting ConditionTrouble Area
11
When any of the following 1. through 3. is detected:
1. 3 or more solenoids are shown faulty in response and
simultaneously solenoid supply voltage is detected
faulty.
2. Solenoid relay will not be switched OFF.
3. Solenoid relay is frozen in spite of its high valve relay
supply voltage.
ABS solenoid relay
ABS solenoid relay circuit
WIRING DIAGRAM
Page 608 of 1897
F09803
ABS Actuator and ECU
+B
BAT
GND1
GND2 W-B
FL MAINFL Block
ALT
B-L
BatteryA717
A718
A719
A716 L
L
W-B
EE5 5
12 B
10 2F
42F 12H
12G
W-B
ED 1
F8 1
F6
BABS Engine Room R/B No. 5
Engine Room J/B
- DIAGNOSTICSANTI-LOCK BRAKE SYSTEM WITH ELECTRONIC
BRAKE FORCE DISTRIBUTION (EBD)DI-221
377 Author: Date:
2001 AVALON (RM808U)
DTC 13 ABS Motor Relay Circuit
CIRCUIT DESCRIPTION
The ABS motor relay supplies power to the ABS pump motor. When the ABS is activated, the ECU switches
the ABS motor relay ON and operates the ABS pump motor.
DTC No.DTC Detecting ConditionTrouble Area
13
When any of the following 1. through 3. is detected:
1. Pump motor voltage is not supplied within 0.06 sec. after
actuation of the motor relay.
2. Pump motor voltage is high, and the motor relay will not
actuate for 2.5 sec. or more.
3. Pump motor voltage remains low for longer 0.4 sec. or
more and the pump repeats activating for 0.7 sec. 3
times maximally. After the last activation, the pump mo-
tor is deactivated gone dead because of short circuit.
ABS motor relay
ABS motor relay circuit
WIRING DIAGRAM
DI6ND-01
Page 610 of 1897
F09803
ABS Actuator and ECU
+B
BAT
GND1
GND2 W-B
FL MAINFL Block
ALT
B-L
BatteryA717
A718
A719
A716 L
L
W-B
EE5 5
12 B
10 2F
42F 12H
12G
W-B
ED 1
F8 1
F6
BABS Engine Room R/B No. 5
Engine Room J/B
- DIAGNOSTICSANTI-LOCK BRAKE SYSTEM WITH ELECTRONIC
BRAKE FORCE DISTRIBUTION (EBD)DI-223
379 Author: Date:
2001 AVALON (RM808U)
DTC 21 - 24 ABS Solenoid Circuit
CIRCUIT DESCRIPTION
This solenoid goes on when signals are received from the ECU, and controls the pressure acting on the
wheel cylinders thus controlling the braking force.
DTC No.DTC Detecting ConditionTrouble Area
21, 22, 23, 24Solenoid signal does not match the check result.Brake actuator
Each solenoid circuit
WIRING DIAGRAM
DI6NE-01
Page 613 of 1897
F09802
ABS Actuator
and ECU
(Shielded)FL+
FL-
FR+
FR-
RL+
RL-
RR+ 2
B-WIE1A77
A76
A75
A74 BR
B-R
B-W
L
J1 J/C (Shielded)
(Shielded) 1 A8
ABS
Speed
Sensor
Front LH
L 2
1 A9
ABS
Speed
Sensor
Front RH1
IE12
IE13
BR
A BR
A
AA
A
BR BR BR
1
2 A29
ABS
Speed
Sensor
Rear LH
1
2 A30
ABS
Speed
Sensor
Rear RH
EEA79
A78
A72
A71
RR- LG
V
(Shielded) (Shielded) (Shielded)
(Shielded) (Shielded) (Shielded)LG
V LG
VBR
BR
IE18
IE17
IE16
IE19
IE110
IE111 ID111
ID122
ID121
IK110
IK112
IK111G
Y G
Y G
Y DI-226
- DIAGNOSTICSANTI-LOCK BRAKE SYSTEM WITH ELECTRONIC
BRAKE FORCE DISTRIBUTION (EBD)
382 Author: Date:
2001 AVALON (RM808U)
WIRING DIAGRAM
