DTC Check/Clear

1. Check DTCs.
   1. Connect the hand held tester to the DLC3.
   2. Turn the ignition switch on (IG).
   3. Read the DTCs following the prompts on the tester screen.

   HINT:

   Refer to the hand held tester operator's manual for further details.

2. Clear the DTCs.
   1. Connect the hand held tester to the DLC3. (see Figure)
   2. Turn the ignition switch on (IG).
   3. Operate the hand held tester to clear the codes.

HINT:

Refer to the hand held tester operator's manual for further details.

1. Check DTC.
   1. Using SST, connect terminals TC and CG of the DLC3.

      SST 09843-18040

   2. Turn the ignition switch on (IG).
      Fig 1: Identifying Connector Terminals TC & CG Of DLC3

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   3. Read the number of blinks of the ABS and VSC warning lights.

      HINT:

      • If no code appears, inspect the diagnostic circuit or ABS warning light circuit.
        TROUBLE AREA INDEX
        
        

        Trouble Area	Refer to
        TC AND CG TERMINAL CIRCUIT	TC AND CG TERMINAL CIRCUIT
        ABS WARNING LIGHT CIRCUIT (REMAINS ON)	ABS WARNING LIGHT CIRCUIT (REMAINS ON)
        ABS WARNING LIGHT CIRCUIT (DOES NOT COME ON)	ABS WARNING LIGHT CIRCUIT (DOES NOT COME ON)
        VSC WARNING LIGHT CIRCUIT (REMAINS ON)	VSC WARNING LIGHT CIRCUIT (REMAINS ON)
        VSC WARNING LIGHT CIRCUIT (DOES NOT COME ON)	VSC WARNING LIGHT CIRCUIT (DOES NOT COME ON)

      • As an example, the blinking patterns for a normal system code and trouble codes 11 and 21 are shown on the left.
   4. Codes are explained in the code table on DIAGNOSTIC TROUBLE CODE CHART .
   5. After completing the check, disconnect terminals TC and CG of the DLC3, and turn off the ignition switch.

   If 2 or more DTCs are detected at the same time, the DTCs will be displayed in ascending order.

   Fig 2: Identifying Normal System Code & Trouble Codes Blinking Patterns

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Clear the DTCs.
   1. Using SST, connect terminals TC and CG of the DLC3.

      SST 09843-18040

      Fig 3: Identifying Connector Terminals TC & CG Of DLC3

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   2. Turn the ignition switch on (IG).
   3. Clear the DTCs stored in the ECU by depressing the brake pedal 8 times or more within 5 seconds.
   4. Check that the ABS warning light indicates a normal system code.
   5. Remove the SST.

HINT:

DTCs cannot be cleared by removing the battery cable or the ECU-IG fuse.

Fig 4: Clearing DTCs Stored In ECU By Depressing Brake Pedal

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Turn the ignition switch on (IG).
2. Check that the ABS and VSC warning lights go off within approximately 3 seconds.