DTC Check/Clear

1. Check DTCs.
   1. Connect Techstream 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 Techstream operator's manual for further details.

2. Clear the DTCs.
   1. Connect Techstream to the DLC3.
   2. Turn the ignition switch on (IG).
   3. Operate Techstream to clear the codes.

HINT:

Refer to the Techstream operator's manual for further details.

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

      SST 09843-18040 

      Fig 1: Identifying Terminals TC And CG Of DLC3

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   2. Turn the ignition switch on (IG).
   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.
        TROUBLESHOOTING CHART
        
        

        Trouble Area	See procedure
        TC and CG terminal circuit	TC AND CG TERMINAL CIRCUIT
        ABS warning light circuit (Remains on)	ABS WARNING LIGHT REMAINS ON
        ABS warning light circuit (Does not comes on)	ABS WARNING LIGHT DOES NOT COME ON
        VSC warning light circuit (Remains on)	VSC WARNING LIGHT REMAINS ON
        VSC warning light circuit (Does not comes on)	VSC WARNING LIGHT DOES NOT COME ON

        Fig 2: ABS And VSC Warning Lights Blinking Pattern

        Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      • 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 (See 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.

2. Clear the DTCs.
   1. Using SST, connect terminals TC and CG of the DLC3.

      SST 09843-18040 

      Fig 3: Identifying Terminals TC And 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.
      Fig 4: Depressing Brake Pedal

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   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.

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