Toyota 4Runner manuals

Toyota 4Runner: AUTO LSD Indicator Light Remains ON

DESCRIPTION

During normal mode, pressing the VSC OFF switch for a short amount of time changes vehicle to AUTO LSD mode.

WIRING DIAGRAM


CAUTION / NOTICE / HINT

NOTICE:

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


PROCEDURE

1.

CHECK CAN COMMUNICATION LINE

(a) Turn the ignition switch off.

(b) Connect the Techstream to the DLC3.

(c) Turn the ignition switch to ON.

(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.


NG

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

OK

2.

INSPECT VSC OFF SWITCH



NG

REPLACE VSC OFF SWITCH

OK

3.

CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - VSC OFF SWITCH)



NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

4.

READ VALUE USING TECHSTREAM (AUTO LSD INDICATOR LIGHT)

(a) Turn the ignition switch off.

(b) Connect the Techstream to the DLC3.

(c) Turn the ignition switch to ON.

(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

Auto LSD Indicator Light

Auto LSD indicator light/ ON or OFF

ON: Indicator light on

OFF: Indicator light off

-

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


ABS/VSC/TRAC

Tester Display

Test Part

Control Range

Diagnostic Note

Auto LSD Indicator Light

Auto LSD 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

ON

Does not change between ON and OFF

A

Changes between ON and OFF

B

OFF

Does not change between ON and OFF

A

Changes between ON and OFF

B


A

REPLACE MASTER CYLINDER SOLENOID


B

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

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