Pre-Check

Precheck Diagnosis Procedure

1. Check the indicator.



When the ignition switch is turned ON, check that the VSC warning light, VSC OFF indicator light and SLIP indicator light goes ON for 3 seconds.

HINT:
- If the ECU stores DTC, VSC warning light and VSC OFF indicator light is ON.
- If the indicator check result is not normal, proceed to troubleshooting for the VSC warning light circuit, VSC OFF indicator light circuit, and SLIP indicator light circuit.
ABS W/BA & VSC System

2. Check for DTC's
Displaying & Reading Trouble Codes

3. Clear DTC's
Clearing Trouble Codes

4. Measure ECU Terminal Values
ABS W/BA & VSC System

5. Perform Speed Sensor Signal Check
Displaying & Reading Trouble Codes