VSC Warning Light Does Not Come ON

BRAKE CONTROL: VEHICLE STABILITY CONTROL SYSTEM (for ADVICS Made): VSC Warning Light does not Come ON

VSC Warning Light does not Come ON

DESCRIPTION

The skid control ECU communicates with the combination meter via CAN communication. If the ECU stores a DTC, the DTC will be displayed on the multi information display in the combination meter (models with multi information display). On models without a multi information display, the VSC warning light will come on when the skid control ECU stores a DTC.

WIRING DIAGRAM





INSPECTION PROCEDURE
NOTICE: When replacing the brake actuator assembly, perform zero point calibration Programming and Relearning.

PROCEDURE

1. CHECK CAN COMMUNICATION SYSTEM
(a) Check if the CAN communication system DTC is output Diagnosis System.
Result:






B -- INSPECT CAN COMMUNICATION SYSTEM
A -- Continue to next step.
2. CHECK VSC WARNING LIGHT
(a) Connect Techstream to the DLC3.
(b) Start the engine.
(c) Select "VSC Warning Lamp" in the Active Test and operate the VSC warning light (models without multi information display) or multi information display (models with multi information display) using Techstream.

ABS / VSC / TRAC:





(*1): Models without multi information display
(*2): Models with multi information display
(d) Check that "ON" and "OFF" of the VSC warning light (models without multi information display) or multi information display (models with multi information display) are indicated on the combination meter when using Techstream.
OK:
The VSC warning light (models without multi information display) or multi information display (models with multi information display) turns on or off in accordance with Techstream.
HINT: If troubleshooting has been carried out according to the Problem Symptoms Table, refer back to the table and proceed to the next step before replacing the part Problem Symptoms Table.

OK -- REPLACE BRAKE ACTUATOR ASSEMBLY
NG -- Continue to next step.
3. INSPECT COMBINATION METER ASSEMBLY
(a) Turn the ignition switch off.
(b) Perform Active Test of the combination meter (meter CPU) using Techstream Meter / Gauge System.
OK:
The VSC warning light (models without multi information display) or multi information display (models with multi information display) turns on or off in accordance with Techstream.
HINT: If troubleshooting has been carried out according to the Problem Symptoms Table, refer back to the table and proceed to the next step Problem Symptoms Table.

NG -- REPLACE COMBINATION METER ASSEMBLY
OK -- REPLACE BRAKE ACTUATOR ASSEMBLY