Toyota Sequoia (2005). Manual - part 311

–

DIAGNOSTICS

ABS WITH EBD & BA & TRAC & VSC SYSTEM

DI–1039

1233

2

Replace the translate ECU and check whether or not the trouble occurs again.

PREPARATION:
(a)

Clear the DTC (See page 

DI–911

).

(b)

Turn the ignition switch OFF.

CHECK:
Turn the ignition switch to the ON position, and check if the same DTC still remains in the memory.
RESULT:

DTC is output

A

DTC is not output

B

B

END.

A

Check and replace skid control ECU
(See page 

BR–52

).

NOTICE:
When replacing the skid control ECU, perform the zero point calibration (See page 

DI–897

).

3

Check harness and connector between translate ECU and skid control ECU
(CAN1 circuit).

NG

Repair or replace parking brake switch circuit
(CAN1 circuit).

OK

4

Check harness and connector between translate ECU and combination meter
(See page 

IN–35

).

NG

Repair or replace harness or connector.

OK

DI–1040

–

DIAGNOSTICS

ABS WITH EBD & BA & TRAC & VSC SYSTEM

1234

5

Check BRAKE warning light.

See combination meter troubleshooting on page 

DI–1614

.

NG

Repair combination meter assembly
(See page 

DI–1610

).

OK

Check and replace skid control ECU
(See page 

BR–52

).

NOTICE:
When replacing the skid control ECU, perform the zero point calibration (See page 

DI–897

).

–

DIAGNOSTICS

ABS WITH EBD & BA & TRAC & VSC SYSTEM

DI–1041

1235

SLIP Indicator Light Circuit (Remains ON)

CIRCUIT DESCRIPTION

The SLIP indicator light blinks during VSC & TRAC operation.
The skid control ECU is connected to the translate ECU via the CAN communication system.

DI947–04

F19779

ABS & VSC Actuator 
(Skid Control ECU)

IG1

13

S1

B–R

1

IL1

B–R

B–R

B–R

B–R

B–R

A

J38

A

J37

A

J37

1

T5

IG1

Translate ECU

8

3C

8

3A

J/C

4

1F

11

1H

7

1J

1

1L

4

1C

2

1C

3

1C

6

1C

ECU–IG

IGN1

AM1

1

2

Instrument Panel J/B

B–O

W–R

W

B–Y

B–R

W–R

W–L

W–L

IG1

IG2

AM1

AM2

I18 
Ignition SW

W

W–R

W

B

Engine Room J/B

1

2C

1

2D

AM2

Combination Meter

1

C6

24

SLIP

W–R

W–R

O

J43 
J/C

O

A

A

W

8

4

B

5

B

Battery

F10 
Fusible 
Link 
Block

ALT

IG

IG

W–B

37

T5

40

T5

IND

GND

A

A

J18
J/C

W–B

W–B

W–B

17

IL1

1

S1

32

S1

9

IL1

GND1

GND2

2

6

1

5

Sub J/B No.3

O

B–O

7

IL2

6

IL2

11

T5

7

T5

2

S1

6

S1

VSC+

VSC–

L

W

L

W

CANH

CANL

(*) CAN1 Circuit

(*)

(*)

(*)

(*)

DI–1042

–

DIAGNOSTICS

ABS WITH EBD & BA & TRAC & VSC SYSTEM

1236

WIRING DIAGRAM