Diagnosis System
DIAGNOSIS SYSTEM1. DIAGNOSIS
a. If the skid control ECU detects a malfunction, it will warn the driver by turning on the ABS, BRAKE and brake control warning lights and SLIP indicator light. It also warns the driver with the indication on the multi-information display.
The table indicates which lights will come on when there is a malfunction in a particular function.
- The DTCs are simultaneously stored in the memory. The DTCs can be read by connecting SST between terminals TC and CG of the DLC3 and observing the blinking pattern of the ABS, brake control warning lights, or indication on the multi-information display, or by connecting the intelligent tester.
- This system has a signal check function. The DTC can be read by connecting the intelligent tester and observing the blinking pattern of the ABS and brake control warning lights or by reading the multi-information display.
2. WARNING LIGHT AND INDICATOR LIGHT BULB CHECK
a. Release the parking brake.
CAUTION: When releasing the parking brake, set chocks to hold the vehicle for safety.
b. When the engine switch is turned on (IG), check that the ABS, BRAKE and brake control warning lights and SLIP and VSC OFF indicator lights illuminate and then turn off after the engine starts.
HINT: If the warning light and indicator light check result is not normal, proceed to troubleshooting for the light circuit given.
Trouble area
ABS warning light circuit
BRAKE warning light circuit
Brake control warning light circuit
SLIP indicator light circuit
VSC OFF indicator light circuit