DTC Check/Clear

1. Checking DTCs using a SST check wire.

   SST 09843-18040

   1. Using SST, connect terminals Tc and CG of DLC3.
   2. Turn the ignition switch to the ON position.
   3. Read the DTC from the ABS warning light and VSC warning light on the combination meter.
      Fig 1: Identifying DLC3 Terminals

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT:

      • If no code appears, inspect the diagnostic circuit, ABS warning light circuit or VSC waning light circuit.
        CIRCUIT REFERENCE
        
        

        Trouble Area	Go To
        Tc terminal circuit	TC TERMINAL CIRCUIT
        ABS warning light circuit	ABS WARNING LIGHT CIRCUIT (REMAINS ON)
        VSC warning light circuit	VSC WARNING LIGHT CIRCUIT (REMAINS ON)

      • As an example, the blinking patterns for normal system code and 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 DLC3, and turn off the display.

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

   Fig 2: Blinking Patterns For Normal System Code & Codes 11 & 21

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Clearing the DTCs using the SST check wire.

   SST 09843-18040

   1. Using SST, connect terminals Tc and CG of DLC3.
   2. Turn the ignition switch to the ON position.
   3. Clear the DTCs stored in ECU by depressing the brake pedal 8 times or more within 5 seconds.
   4. Check that the ABS warning light and VSC warning light indicates the normal blinking patterns.
   5. Remove the SST from the terminals of DLC3.
      Fig 3: Identifying Brake Light Switch

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT:

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

1. Checking DTCs.
   1. Connect the hand-held tester to the DLC3.
   2. Turn the ignition switch to the ON position.
   3. Read the DTC by following the prompts on the tester screen.

   HINT:

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

2. Clearing the DTCs.
   1. Connect the hand-held tester to the DLC3.
   2. Turn the ignition switch to the ON position.
   3. Operate the hand-held tester to erase the codes.

HINT:

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