TRAC OFF Indicator Light does not Come ON

BRAKE CONTROL: VEHICLE STABILITY CONTROL SYSTEM (for Vacuum Brake Booster): TRAC OFF Indicator Light does not Come ON
- TRAC OFF Indicator Light does not Come ON

DESCRIPTION

Refer to TRAC OFF Indicator Light Remains ON TRAC OFF Indicator Light Remains ON.

WIRING DIAGRAM

Refer to TRAC OFF Indicator Light Remains ON TRAC OFF Indicator Light Remains ON.

INSPECTION PROCEDURE

NOTICE:
* When replacing the brake actuator assembly, perform calibration Vehicle Stability Control System (for Vacuum Brake Booster).
* Inspect the fuses for circuits related to this system before performing the following inspection procedure.

PROCEDURE

1. CHECK CAN COMMUNICATION LINE TRAC OFF Indicator Light Remains ON

NG -- GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) How to Proceed With Troubleshooting
OK -- Continue to next step.

2. PERFORM ACTIVE TEST USING TECHSTREAM (VSC TRC INDICATOR) TRAC OFF Indicator Light Remains ON

NG -- GO TO METER / GAUGE SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) How To Proceed With Troubleshooting
OK -- Continue to next step.

3. INSPECT SKID CONTROL ECU (CSW TERMINAL) TRAC OFF Indicator Light Remains ON

NG -- INSPECT VSC OFF SWITCH

OK -- REPLACE BRAKE ACTUATOR ASSEMBLY Removal

4. INSPECT VSC OFF SWITCH TRAC OFF Indicator Light Remains ON

NG -- REPLACE VSC OFF SWITCH Removal

OK -- REPAIR OR REPLACE HARNESS OR CONNECTOR