VSC TRAC Warning Light Does Not Come ON

BRAKE CONTROL: VEHICLE STABILITY CONTROL SYSTEM: VSC TRAC Warning Light does not Come ON

VSC TRAC Warning Light does not Come ON

DESCRIPTION

When the ECU stores DTCs, the VSC warning light illuminates on the combination meter.

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 TRAC WARNING LIGHT)
(a) Connect a 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 "VSC Warning Light" in the Active Test and operate the VSC TRAC warning light using the Techstream.

ACTIVE TEST: ABS/VSC/TRAC





(e) Check that the VSC TRAC warning light turns on and off in the combination meter using the Techstream.
OK:
The VSC TRAC warning 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