With Manufacturer's Scan Tool

a. Check the warning lights.
1. Release the parking break pedal.
2. When the ignition switch is turned ON, check that the ABS warning light, BRAKE warning light VSC warning light, TRAC OFF Indicator light*1 and SLIP indicator light goes on for approx. 3 seconds.

HINT:
- If the ECU stores DTC, ABS warning light, VSC warning light and TRAC OFF indicator light are ON.
- If the indicator check result is not normal, proceed to troubleshooting for the ABS warning light circuit, BRAKE warning light circuit, VSC warning light circuit, TRAC OFF Indicator light circuit*1 or SLIP indicator light circuit.

Trouble Area
ABS warning light circuit
BRAKE warning light circuit
VSC warning light circuit
TRAC OFF indicator light circuit*1
SLIP indicator light circuit

*1: 2WD only

b. In case of using hand-held tester:
Check the DTC.

1. Read the DTC by following the prompts on the tester screen.

HINT: Please refer to the hand-held tester operator's manual for further details.