POWER STEERING SYSTEM CALIBRATION


  1. ASSIST MAP WRITING (USING GTS)

    Note

    Perform assist map writing if the following condition occurs:

    The power steering ECU assembly has been replaced.


    1. Turn the ignition switch off.

    2. Connect the GTS to the DLC3.

    3. Turn the ignition switch to ON.

    4. Turn the GTS on.

    5. Enter the following menus: Chassis / EMPS / Utility / Signal Check.


      Chassis > EMPS > Utility
      Tester Display
      Signal Check

      Tech Tips


      • Follow the instructions on the GTS to perform Signal Check.

      • With DTC C1581 output, performing Signal Check will cause the power steering ECU assembly to enter Signal Check and the assist map will be written automatically.

    6. Wait for at least 5 seconds.

    7. Check for DTCs.

      Click here


      Chassis > EMPS > Trouble Codes

      Tech Tips

      After writing the assist map, if DTC C1581 is output, perform the troubleshooting procedure for DTC C1581.

      Click here

  2. ASSIST MAP WRITING (USING SST CHECK WIRE)

    Note

    Perform assist map writing if the following condition occurs:

    The power steering ECU assembly has been replaced.


    1. A0028P7C03
      *a DLC3

      Turn the ignition switch off.

    2. Using SST, connect terminals 12 (TS) and 4 (CG) of the DLC3.

      SST
      09843-18040

      Note

      Connect the terminals properly to avoid a malfunction.

    3. Turn the ignition switch to ON.

    4. Wait for 5 seconds or more.

    5. Check for DTCs.

      Click here

      Tech Tips

      After writing the assist map, if DTC 26 is output, perform the troubleshooting procedure for DTC 26.

      Click here