2001 TOYOTA SEQUOIA brake wiring

F19773
ABS & VSC Actuator
(Skid Control ECU)
G±Y S14
Stop Light SW
I18 Ignition SW1 4 W
W±L
IG1
AM12
1
B±Y Instrument Panel J/B
2 1
1L
1F
1F1C
1C 1
2
46 STOP
AM1
ECU±IG W
4
B±R
Sub J/B No.3
3C8
3A8
B±R
B±R
J37AJ/C
J38AB8 Brake
Inhibit Relay
B±R L±OL±O
IL17
L±O
S1 38
BSW
STP S139
G±Y
IL2 13 12
3 4G±Y
4B1 1
14A
4C J11A
J10C J/C
CJ10G±Y G±W G±W
G±W
G±W B
J33
J34
H
G±W C
C
CJ44C
J45JR8 Rear Combination Light RH
1
4W±B
R7 Rear Combination Light LH
1
4 H9 High Mounted
Stop Light
A
A
A J19
J/C W±B
W±B
BD212
12W±B G±W
G±W
BD14
(*1) (*1)
(*2)(*2) W±B H9
High Mounted
Stop Light
1 2J57
J/C
BP BJ F10
Fusible
Link
Block ALT 8
5
B
Battery
*1: w/o Rear Spoiler
*2: w/ Rear Spoiler J/C
G±WJ/C
G±WSub J/B No.4
Stop Stop
DI±964
± DIAGNOSTICSABS WITH EBD & BA & TRAC & VSC SYSTEM
1158 Author: Date:
2005 SEQUOIA (RM1146U)
WIRING DIAGRAM

F19782
Battery16
S1+BS
GND1
GND2
+BM S1
S1 S1 47
1
32 B±R
B±R
W±B
W±B W±B W±B 5 BF10
Fusible Link BlockABS & VSC Actuator
(Skid Control ECU)
IG J18
J/C
A A3
ABS
Motor Relay
Pump
Motor IL117
IL19 DI±966
± DIAGNOSTICSABS WITH EBD & BA & TRAC & VSC SYSTEM
1160 Author: Date:
2005 SEQUOIA (RM1146U)
DTC C1251 / 51 Pump Motor is Locked/
Open Circuit in Pump Motor Circuit
CIRCUIT DESCRIPTION
ABS pump motor is located inside the brake actuator.
The motor is used for BA, TRAC and VSC operation.
DTC No.DTC Detecting ConditionTrouble Area
C1251 / 51Pump motor does not operate during the initial check.ABS & VSC actuator
WIRING DIAGRAM
DIDMC±01

F14399F16956
BSTP
BST 3S1 31
17 4 A9
Active Brake BoosterABS &VSC Actuator
(Skid Control ECU)
BSTP
BSTS1 G±B
LG±B
± DIAGNOSTICSABS WITH EBD & BA & TRAC & VSC SYSTEM
DI±969
1163 Author: Date:
2005 SEQUOIA (RM1146U)
DTC C1310 / 11 Open or Short Circuit in Active Brake
Booster Solenoid Circuit
CIRCUIT DESCRIPTION
Operates when booster's negative pressure is insufficient and allows for a stable braking control.
DTC No.DTC Detecting ConditionTrouble Area
C1310 / 11Open or short in active brake booster solenoid circuit.
Brake booster

Active brake booster solenoid circuit
WIRING DIAGRAM
DI93R±04

F19773
ABS & VSC Actuator
(Skid Control ECU)
G±Y S14
Stop Light SW
I18 Ignition SW1 4 W
W±L
IG1
AM12
1
B±Y Instrument Panel J/B
2 1
1L
1F
1F1C
1C 1
2
46 STOP
AM1
ECU±IG W
4
B±R
Sub J/B No.3
3C8
3A8
B±R
B±R
J37AJ/C
J38AB8 Brake
Inhibit Relay
B±R L±OL±O
IL17
L±O
S1 38
BSW
STP S139
G±Y
IL2 13 12
3 4G±Y
4B1 1
14A
4C J11A
J10C J/C
CJ10G±Y G±W G±W
G±W
G±W B
J33
J34
H
G±W C
C
CJ44C
J45JR8 Rear Combination Light RH
1
4W±B
R7 Rear Combination Light LH
1
4 H9 High Mounted
Stop Light
A
A
A J19
J/C W±B
W±B
BD212
12W±B G±W
G±W
BD14
(*1) (*1)
(*2)(*2) W±B H9
High Mounted
Stop Light
1 2J57
J/C
BP BJ F10
Fusible
Link
Block ALT 8
5
B
Battery
*1: w/o Rear Spoiler
*2: w/ Rear Spoiler J/C
G±WJ/C
G±WSub J/B No.4
Stop Stop
DI±972
± DIAGNOSTICSABS WITH EBD & BA & TRAC & VSC SYSTEM
1166 Author: Date:
2005 SEQUOIA (RM1146U)
WIRING DIAGRAM

F14403F16959
A9
Booster Pedal
Force Switch
(ACTIVE Brake Booster)ABS & VSC Actuator
(Skid Control ECU)
STS
PSNC
PSNO5BR±Y
V±W
R±Y20
S1
18
21 S1
S1 2
1STS
PSNC
PSNO
± DIAGNOSTICSABS WITH EBD & BA & TRAC & VSC SYSTEM
DI±991
1185 Author: Date:
2005 SEQUOIA (RM1146U)
DTC C1363 / 63 Malfunction in Booster Pedal Force
Switch
CIRCUIT DESCRIPTION
Detects if the brake pedal is depressed.
DTC No.DTC Detecting ConditionTrouble Area
C1363 / 63Signal transmitted from booster pedal force switch to ECU
is abnormal.
Booster pedal force switch (Active brake booster)

Booster pedal force switch (Active brake booster) circuit
WIRING DIAGRAM
DIDMF±01

F19197
S1 ABS & VSC Actuator
(Skid Control ECU)Translate
ECU
CANH
CANL6
2L
WL
W 7
IL2
6
IL27
T5
11
T5VSC+
VSC±
IG1 1
T5 B±R
J37 J37J/C
B±R
B±R8
3C 8
3A
I18
Ignition SW
4
1F4
1C
1L6
1C ECU±IG
AM1
AM1 IG1
B±Y
2
W±L W
ALT
Battery24
T5
40
T5LVL2
GND 23
IA1 9
IA5Y±L Y±L W±B O
A
O A
AB1
Brake Fluid
Level Warning SW
J43
J/C
IG 1Sub J/B No.3
Instrument Panel J/B
8
5F10
Fusible Link Block
B1
1 2
2A
A
1
(*) CAN1 Circuit (*)(*)
(*)
(*) DI±1002
± DIAGNOSTICSABS WITH EBD & BA & TRAC & VSC SYSTEM
1196 Author: Date:
2005 SEQUOIA (RM1146U)
DTC 58 Malfunction of Brake Fluid Level Warning
Switch
CIRCUIT DESCRIPTION
The brake fluid level warning switch sends the appropriate signal to the translate ECU.
This signal indicates a drop in brake fluid level.
DTC No.DTC Detecting ConditionTrouble Area
58

Brake fluid level warning switch connector is disconnected
for 1 sec. or more.

Brake fluid level warning switch is ON for 30 sec. or more.
Brake fluid level warning switch circuit

Brake fluid level warning switch

Brake fluid reservoir level

Translate ECU
WIRING DIAGRAM
DIDMI±01

F19769
Translate ECU
VSC+
VSC±
IG17
T5
T511
1
T5B±RL
W
AA
J37
J38
A
J37B±R J/C
B±R B±RL
W 7
IL2
6
IL2
1
IL16
S1
2
S1
13
S1 ABS &VSC Actuator
(Skid Control ECU)
CANH
CANL
IG1
8
3C8
3A
B±R Instrument Panel J/B
4
1C
2
1C
3
1C
6
1C4
1F
11
1H
7
1J
1
1L ECU±IG
IGN1
AM1 B±R B±Y
W±R
W±LB±O
W±R
W
1 2Combination Meter
24
C6
Brake
1C5 W
8
ALTF10 Fusible
Link BlockEngine Room J/B
A W±R 1
2D1
2C
4
5
R±B R±B
B1 Brake Fluid Level
Warning SW
Y±L Y±LW±B 23
IA1
129
IA5O
A
A O
OJ43
J/C
IG Sub J/B No.4
LG±R
LG±R 4
4B4
4D
1P2 Parking
Brake SW
B
Battery 39
T5
24
T5
40
T5
4
T5 BRL
LVL2
GND
PKB2Sub J/B No.3
I18
Ignition SW
AM1 IG1
AM2 IG2 1
5 W±L
2
6
AM2
BB±R (*) CAN1 Circuit
(*)
(*)
(*) (*) DI±1034
± DIAGNOSTICSABS WITH EBD & BA & TRAC & VSC SYSTEM
1228 Author: Date:
2005 SEQUOIA (RM1146U)
WIRING DIAGRAM

DI±1038
± DIAGNOSTICSABS WITH EBD & BA & TRAC & VSC SYSTEM
1232 Author: Date:
2005 SEQUOIA (RM1146U)
BRAKE Warning Light Circuit (Does not light up)
CIRCUIT DESCRIPTION
See page DI±1033.
WIRING DIAGRAM
See page DI±1033.
INSPECTION PROCEDURE
HINT:
Start the inspection from step 1 when using the hand±held tester and start from step 2 when not using the
hand±held tester.
1 Check operation of the BRAKE warning light.
PREPARATION:
(a) Connect the hand±held tester to the DLC3.
(b) Turn the ignition switch to the ON position and hand±held tester main switch ON.
(c) Select the ACTIVE TEST mode on the hand±held.
CHECK:
Check that ºONº and ºOFFº of the BRAKE warning light can be shown on the combination meter with the
hand±held tester.
ItemVehicle Condition/Test DetailsDiagnostic Note
BRAKE WARN LIGHTTurn BRAKE warning light ON/OFFObserve combination meter
OK:
BRAKE warning light operates.
NG Go to step 3.
OK
DIDMO±01