VSC Warning Light Does Not Come ON

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

VSC Warning Light does not Come ON

DESCRIPTION

If the ECU stores DTC, the VSC warning light comes on in the combination meter.
The skid control ECU is connected to the combination meter via CAN and Multiplex communications.

WIRING DIAGRAM





INSPECTION PROCEDURE

NOTE: When replacing the ABS & TRACTION actuator assembly, perform zero point calibration Programming and Relearning.

PROCEDURE

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





B -- REPAIR CAN COMMUNICATION SYSTEM
A -- Continue to next step.

2. INSPECT MULTIPLEX COMMUNICATION SYSTEM
(a) Check if the multiplex communication system DTC is output Initial Inspection and Diagnostic Overview.
Result:





B -- REPAIR MULTIPLEX COMMUNICATION SYSTEM
A -- Continue to next step.

3. INSPECT VSC WARNING LIGHT
(a) Connect Techstream to the DLC3.
(b) Start the engine.
(c) Select "ACTIVE TEST" on Techstream.

ACTIVE TEST: ABS / VSC / TRAC





(d) Check that "ON" and "OFF" of the VSC warning light are indicated on the combination meter when using Techstream.
OK:
The VSC warning light 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.

NG -- INSPECT COMBINATION METER ASSEMBLY
OK -- REPLACE ABS & TRACTION ACTUATOR ASSEMBLY
4. INSPECT COMBINATION METER ASSEMBLY
(a) Check the combination meter assembly How To Proceed With Troubleshooting.

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 -- END