Lexus IS250 · Service Manual BRAKE

DTC CHECK / CLEAR

Troubleshooting


DTC CHECK/CLEAR (INTELLIGENT TESTER)

  1. C114532E03
    DTC check

    1. Connect the intelligent tester to the DLC3.

    2. Turn the engine switch on (IG).

    3. Read the DTCs following the prompts on the tester screen.

  2. DTC clear

    1. Connect the intelligent tester to the DLC3.

    2. Turn the engine switch on (IG).

    3. Operate the intelligent tester to clear the codes.

      HINT:
      Refer to the intelligent tester operator's manual for further details.


DTC CHECK/CLEAR (SST CHECK WIRE)

  1. G022986E01
    Check the DTC.

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

      SST
      09843-18040  

    2. Turn the engine switch on (IG).

    3. Observe the blinking pattern of the ABS warning light and read the multi information display in order to identify the DTC.

      HINT:
      If no code appears, inspect the TC and CG terminal circuit, ABS and VSC warning light circuits.

      Trouble Area
      		 See procedure
      TC and CG terminal circuit
      		 Click here
      ABS warning light circuit
      		 Click here or Click here
      VSC warning light circuit
      		 Click here or Click here

    4. As an example, the illustration below shows the blinking patterns of the normal system code and trouble codes 11 and 21 for ABS, and display of the normal system code and trouble code 43 for the VSC on the multi information display.
      C114544E01

    5. The codes are explained in the code table (Click here).

    6. After completing the check, disconnect terminals TC and CG of the DLC3, and turn off the display.
      If 2 or more DTCs are detected at the same time, the DTCs will be displayed in ascending order.

  2. Clear the DTC.

    1. G022986E01
      Using SST, connect terminals TC and CG of the DLC3.
      SST
      09843-18040  

    2. Turn the engine switch on (IG).

    3. BR03890
      Clear the DTCs stored in the ECU by depressing the brake pedal 8 times or more within 5 seconds.

    4. Check that the multi information display indicates the normal system code.

    5. Remove the SST from the terminals of the DLC3.

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


END OF DTC CHECK/CLEAR

  1. Turn the engine switch on (IG).

  2. Check that the ABS warning light goes off within approximately 3 seconds.

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