Toyota Sequoia (2005). Manual - part 312

–

DIAGNOSTICS

ABS WITH EBD & BA & TRAC & VSC SYSTEM

DI–1043

1237

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 SLIP indicator light.

PREPARATION:
(a)

Connect the hand–held tester to the DLC3.

(b)

Turn the ignition switch to the ON position and push the hand–held tester main switch ON.

(c)

Select ACTIVE TEST mode on the hand–held tester.

CHECK:
Check that ”ON” and ”OFF” of the SLIP indicator light can be shown on the combination meter with the hand–
held tester.

Item

Vehicle Condition / Test Details

Diagnostic Note

SLIP INDI LIGHT

Turns SLIP indicator light ON / OFF

Observe combination me-
ter

OK:

SLIP indicator operates.

NG

Go to step 5.

OK

2

Check harness and connector between skid control ECU and translate ECU.

NG

Repair or replace harness or connector.

OK

3

Check that the SLIP indicator light is ON for 3 seconds immediately after ignition
switch is turned ON.

OK:

SLIP indicator light is ON for 3 seconds immediately after ignition switch is turned ON.

OK

No problem.

NG

DI–1044

–

DIAGNOSTICS

ABS WITH EBD & BA & TRAC & VSC SYSTEM

1238

4

Check SLIP indicator light.

See combination meter troubleshooting on page 

DI–1614

.

NG

Repair or replace combination meter
(See page 

DI–1610

).

OK

5

Is DTC output?

Check DTC (Translate ECU and CAN communication system) on page 

DI–911

.

NG

Repair circuit indicated by output code 
(See page 

DI–921

).

OK

6

Check for open and short circuit in harness and connector between translate
ECU and SLIP indicator light (See page 

IN–35

).

NG

Repair or replace harness or connector.

OK

Check and replace translate ECU.

–

DIAGNOSTICS

ABS WITH EBD & BA & TRAC & VSC SYSTEM

DI–1045

1239

SLIP Indicator Light Circuit (Does not light up)

CIRCUIT DESCRIPTION

See page 

DI–1041

.

WIRING DIAGRAM

See page 

DI–1041

.

INSPECTION PROCEDURE

HINT:
Start the inspection from step 1 when using the hand–held tester and start from step 3 when not using the
hand–held tester.

1

Check operation of the SLIP indicator light.

PREPARATION:
(a)

Connect the hand–held tester to the DLC3.

(b)

Turn the ignition switch to the ON position and push the hand–held tester main switch ON.

(c)

Select ACTIVE TEST mode on the hand–held tester.

CHECK:
Check that ”ON” and ”OFF” of the SLIP indicator light can be shown on the combination meter with the hand–
held tester.

Item

Vehicle Condition / Test Details

Diagnostic Note

SLIP INDI LIGHT

Turns SLIP indicator light ON / OFF

Observe combination me-
ter

OK:

SLIP indicator operates.

NG

Go to step 3.

OK

DIDMP–01

DI–1046

–

DIAGNOSTICS

ABS WITH EBD & BA & TRAC & VSC SYSTEM

1240

2

Replace the translate ECU and check if 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