POWER STEERING SYSTEM (for Hatchback) > HOW TO PROCEED WITH TROUBLESHOOTING


HINT:
  1. Use these procedures to troubleshoot the power steering system.
  2. *: Use the Techstream.


1.VEHICLE BROUGHT TO WORKSHOP

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    2.INSPECT BATTERY VOLTAGE

      Standard voltage:
      11 to 14 V
      If the voltage is below 11 V, recharge or replace the battery before proceeding.

    NEXT


    3.CHECK DTC AND FREEZE FRAME DATA*

      HINT:
      Refer to Clear DTCs (Click here).

    NEXT


    4.PROBLEM SYMPTOM CONFIRMATION
      Result 
      Result
      Proceed to
      Symptom does not occur
      A
      Symptom occurs
      B


    B.
    Go to step 10
    A


    5.SYMPTOM SIMULATION

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      6.CHECK CAN COMMUNICATION SYSTEM*
      1. Check for DTCs (Click here).

        Result 
        Result
        Proceed to
        CAN communication system DTC is not output
        A
        CAN communication system DTC is output
        B

        HINT:
        1. If any CAN communication system DTCs are output, perform troubleshooting on the CAN communication system first.
        2. If communication to the power steering ECU cannot be established through the Techstream, inspect terminals CANH and CANL of the DLC3 and the power steering ECU, and the IG circuit of the power steering ECU.


      B.
      PROCEED TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) (Click here)
      A


      7.CHECK FOR DTC*
      1. Check for DTCs (Click here).

        HINT:
        Refer to Diagnostic Trouble Code Chart when any DTCs are output (Click here).
        Result 
        Result
        Proceed to
        DTC is not output
        A
        DTC is output
        B


      B.
      Go to step 10
      A


      8.PROBLEM SYMPTOMS TABLE
      1. Refer to Problem Symptoms Table (Click here).

        Result 
        Result
        Proceed to
        Fault is not listed in problem symptoms table
        A
        Fault is listed in problem symptoms table
        B


      B.
      Go to step 10
      A


      9.OVERALL ANALYSIS AND TROUBLESHOOTING*
      1. Refer to Terminals of ECU (Click here).

      2. Refer to Data List/Active Test (Click here).


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      10.REPAIR OR REPLACE

        NEXT


        11.CONFIRMATION TEST

          NEXT

          END