Toyota 4Runner: Slip Indicator Light Remains ON

Toyota 4Runner Service Manual / Brake / Brake Control / Dynamic Control Systems / Vehicle Stability Control System(for Hydraulic Brake Booster) / Slip Indicator Light Remains ON

DESCRIPTION

The slip indicator light blinks during VSC, TRAC, crawl control, multi-terrain select control or trailer sway control operation. When the system fails, the slip indicator light comes on to warn the driver.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

When replacing the master cylinder solenoid, perform calibration (See page ).

PROCEDURE

1.	CHECK FOR DTC

(a) Check for DTCs (See page ).

Result

Result	Proceed to
DTC is not output	A
DTC is output	B

REPAIR CIRCUITS INDICATED BY OUTPUT DTCS

2.	CHECK CAN COMMUNICATION LINE

(a) Turn the ignition switch off.

(b) Connect the Techstream to the DLC3.

(d) Turn the Techstream on.

(e) Select CAN Bus Check from the System Selection Menu screen and follow the prompts on the screen to inspect the CAN bus (See page ).

OK:

CAN Bus Check indicates no malfunctions in CAN communication.

GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING)

3.	READ VALUE USING TECHSTREAM (SLIP INDICATOR LIGHT)

(a) Turn the ignition switch off.

(b) Connect the Techstream to the DLC3.

(d) Turn the Techstream on.

(e) Enter the following menus: Chassis / ABS/VSC/TRAC / Data List.

ABS/VSC/TRAC

Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
Slip Indicator Light	Slip indicator light/ ON or OFF	ON: Indicator light on OFF: Indicator light off	-

Tester Display

Measurement Item/Range

Normal Condition

Diagnostic Note

Slip Indicator Light

Slip indicator light/ ON or OFF

ON: Indicator light on

OFF: Indicator light off

(f) When performing the Slip Indicator Light Active Test, check Slip Indicator Light in the Data List (See page ).

ABS/VSC/TRAC

Tester Display	Test Part	Control Range	Diagnostic Note
Slip Indicator Light	Slip Indicator Light	Indicator light ON/OFF	Observe the combination meter.

Result

Result		Proceed to
Data List Display	Data List Display when Performing Active Test ON/OFF Operation	Proceed to
ON	Does not change between ON and OFF	A
ON	Changes between ON and OFF	B
OFF	Does not change between ON and OFF	A
OFF	Changes between ON and OFF	B

REPLACE MASTER CYLINDER SOLENOID

GO TO METER / GAUGE SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING)

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