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
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.
WIRING DIAGRAM
INSPECTION PROCEDURE
NOTE:
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 WARN LAMP" in the Active Test and operate the VSC warning (multi information display) using Techstream.
ABS / VSC / TRAC:
(d) Check that "ON" and "OFF" of the VSC warning (multi information display) are indicated on the combination meter when using Techstream.
OK:
The VSC warning (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 engine switch off.
(b) Perform Active Test of the combination meter (meter CPU) using Techstream Scan Tool Testing and Procedures.
OK:
The VSC warning (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