Diagnosis System
DIAGNOSIS SYSTEM1. DIAGNOSIS
a. If the skid control ECU detects a malfunction, the ABS and BRAKE warning lights and the VSC OFF and SLIP indicator lights will come on to warn the driver.
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 of the ABS warning light and VSC OFF indicator light, or by connecting the intelligent tester or Techstream.
- This system has a signal check function.
2. WARNING LIGHT AND INDICATOR LIGHT BULB CHECK
a. Release the parking brake lever.
CAUTION: When releasing the parking brake, set the chocks to hold the vehicle for safety.
HINT: When the parking brake is applied or the level of brake fluid is low, the BRAKE warning light comes on.
b. When the ignition switch is turned to the ON position, check that the ABS and BRAKE warning lights, and the VSC OFF, SLIP and AUTO LSD indicator lights come on for approximately 3 seconds.
HINT: If the warning light and indicator light check result is not normal, proceed to troubleshooting for the ABS and BRAKE warning light circuits, and the VSC OFF, SLIP, and AUTO LSD indicator light circuits.
If the indicator remains on, proceed to troubleshooting for the light circuit.
Trouble Area
ABS warning light circuit
BRAKE warning light circuit
VSC OFF indicator light circuit
SLIP indicator light circuit
AUTO LSD indicator light circuit