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

If the skid control ECU stores DTCs to shut down VSC and TRAC operation, the VSC TRAC warning light comes on in the combination meter.

WIRING DIAGRAM





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

PROCEDURE

1. INSPECT VSC TRAC WARNING LIGHT
(a) Disconnect the skid control ECU connector.
(b) Ground terminal VSCW of the skid control ECU.
(c) Turn the ignition switch to the ON position.
(d) Check that the VSC TRAC warning light comes on.
OK:
VSC TRAC warning light comes on.
OK -- REPLACE MASTER CYLINDER SOLENOID
NG -- Continue to next step.
2. CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - COMBINATION METER)





(a) Disconnect the combination meter connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR (VSCW CIRCUIT)
OK -- Continue to next step.
3. INSPECT COMBINATION METER ASSEMBLY
(a) Check the combination meter system Meter / Gauge System.
NG -- REPLACE COMBINATION METER ASSEMBLY
OK -- END