VSC Warning Light Remains ON

VEHICLE STABILITY CONTROL SYSTEM:

VSC Warning Light Remains ON

DESCRIPTION

If the skid control ECU stores a DTC to shut down VSC and TRAC operation, the VSC warning light comes on 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 IF SKID CONTROL ECU CONNECTOR IS SECURELY CONNECTED
(a) Check if the skid control ECU connector is securely connected.
OK:
The connector should be securely connected.
NG -- CONNECT CONNECTOR TO ECU CORRECTLY
OK -- Continue to next step.
2. CHECK BATTERY
(a) Check the battery voltage.
Standard voltage:
11 to 14 V
NG -- CHECK OR REPLACE CHARGING SYSTEM OR BATTERY
OK -- Continue to next step.
3. CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - COMBINATION METER)





(a) Disconnect the skid control ECU connector and 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
OK -- Continue to next step.
4. INSPECT COMBINATION METER ASSEMBLY
(a) Reconnect the skid control ECU connector and the combination meter connector.
(b) Check the combination meter (How To Proceed With Troubleshooting).
OK:
The combination meter is normal.

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