VSC OFF Indicator Light Does Not Come ON

BRAKE CONTROL: VEHICLE STABILITY CONTROL SYSTEM: VSC OFF Indicator Light does not Come ON

VSC OFF Indicator Light does not Come ON

DESCRIPTION

When the rear differential is locked or during the 4WD mode, VSC control turns off and the VSC OFF indicator illuminates. Also, the VSC OFF indicator light is ON when the VSC system is in fail-safe control.

WIRING DIAGRAM





INSPECTION PROCEDURE
NOTE: When replacing the master cylinder solenoid, perform zero point calibration Programming and Relearning.

PROCEDURE

1. PERFORM ACTIVE TEST USING TECHSTREAM (VSC OFF INDICATOR LIGHT)
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the tester on.
(d) Select the following menu items: Chassis / ABS/VSC/TRAC/ Active Test
Select the "Turns VSC/TRAC OFF indicator light" in the Active Test and operate the VSC OFF indicator light using the Techstream.

ACTIVE TEST: ABS/VSC/TRAC





(e) Check that the VSC OFF indicator light turns on and off in the combination meter using the Techstream.
OK:
The VSC OFF indicator light turns ON and OFF in accordance with the Techstream operation.
NG -- CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - COMBINATION METER)
OK -- REPLACE MASTER CYLINDER SOLENOID
2. CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - COMBINATION METER)





(a) Disconnect the skid control ECU connector.
(b) Disconnect the combination meter connector.
(c) Measure the resistance.
Standard resistance:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
3. INSPECT COMBINATION METER ASSEMBLY
(a) Check the combination meter system Meter / Gauge System.
OK:
Combination meter is normal.
NG -- REPLACE COMBINATION METER ASSEMBLY
OK -- REPLACE MASTER CYLINDER SOLENOID