Diagnosis System

DIAGNOSIS
1. If the skid control ECU detects a malfunction, the ABS, Brake, VSC warning lights and SLIP indicator light will come on to warn the driver.
  1. The table below indicates which lights come on when there is a malfunction in a particular function.
    
    Fig 1: Identifying ABS, BRAKE, VSC Warning Lights And SLIP Indicator Light
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    
    Fig 2: ABS, BRAKE, VSC Warning Lights And SLIP Indicator Light ON And OFF Position Chart
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
- The DTCs are simultaneously stored in memory. The DTCs can be read by connecting the SST between TC and CG terminals of the DLC3 and observing the blinking of the ABS warning light and VSC warning light, or by connecting a hand-held tester.
- This system has a sensor signal check function (TEST MODE).
  1. The DTC can be read by connecting the SST between terminals TS and CG of the DLC3 and observing the blinking of the ABS warning light and VSC warning light, or by connecting a hand-held tester.