VEHICLE STABILITY CONTROL SYSTEM > DIAGNOSIS SYSTEM

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1. If the skid control ECU detects a malfunction, the ABS, BRAKE and VSC warning lights and SLIP indicator light will come on to warn the driver.
   The table below indicates which lights will come on when there is a malfunction in a particular function.
   
   

   Item / Trouble Area	ABS	EBD	(Brake Assist)	TR(A)C	VSC
   ABS Warning Light	○	○	○	-	-
   BRAKE Warning Light	-	○	-	-	-
   VSC Warning Light	○	○	○	○	○
   SLIP Indicator Light	○	○	○	○	○

   ○: Light ON
   -: Light OFF
   

   1. The DTCs are simultaneously stored in the memory. The DTCs can be read by connecting the SST between terminals TC and CG of the DLC3 and observing the blinking pattern of the ABS warning light or multi information display, by reading the multi information display, or by connecting the intelligent tester.
      
   2. This system has a signal check function (Click here).
      The DTC can be read by connecting the intelligent tester and observing the blinking pattern of the ABS warning light or by reading the multi information display.
      

1. Release the parking brake.
   

   NOTICE:

   When releasing the parking brake, set chocks to hold the vehicle for safety.

   HINT:

   When the parking brake is applied or the level of the brake fluid is low, the brake warning light comes on.

2. When the engine switch is turned on (IG). Check that the ABS, BRAKE and VSC warning lights and SLIP indicator light 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, BRAKE and VSC warning light circuits and SLIP indicator light circuits.

   If the indicator remains on, proceed to troubleshooting for the light circuit below.
   

   Trouble area	See procedure
   ABS warning light circuit	Click here
   BRAKE warning light	Click here
   VSC warning light circuit	Click here
   SLIP indicator light circuit	Click here