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How To Troubleshoot

  1. Bring in the car
  2. Interview and phenomenon check
  3. Basic inspection
    1. Check the battery voltage.

      Voltage: 11 to 14 V

      NOTE:
      • By sounding the horn, it is easy to check whether the battery is flat.
      • If the battery voltage is less than 11 V, please recharge or replace it.
    2. Inspect any parts that can be checked visually such as blown fuses, wiring harness open circuit, short circuits, or poor connector contacts.
  4. CAN communication system functionality check
    1. Inspect the CAN communication system. (Refer to HOW TO TROUBLESHOOT )
      RESULT DESCRIPTION

      Result Go to
      No diagnosis code output (ECM not connected, CAN communication malfunction, and ECM communication malfunction/interruption). A
      Diagnosis code output (ECM not connected, CAN communication malfunction, or ECM communication malfunction/interruption). B
      1. Go to next step
      2. Progress to "CAN communication system (How to trouble-shoot)" (Refer to HOW TO TROUBLESHOOT )
  5. Diagnosis code check
    1. Use the SSM4 to check and record the diagnosis codes. (Refer to CHECKING/CLEARING DIAGNOSTIC CODES )
      RESULT DESCRIPTION

      Result Go to
      No diagnosis code output (Able to check or recreate the trouble phenomenon) A
      No diagnosis code output (Unable to check or recreate the trouble phenomenon) B
      Diagnosis code output (Steering lock system malfunction) C
      NOTE:
      • When a steering lock system diagnosis code is output, please refer to the LIST OF DIAGNOSIS CODES  ( ).
      • The steering lock actuator ASSY (Steering lock ECM) does not store past diagnostics.
      1. Go to next step
      2. Conduct a malfunction simulation (Refer to MALFUNCTION SYMPTOMS AND DTC CHECK )
      3. Progress to the "list of diagnostic codes". (Refer to LIST OF DIAGNOSTIC CODES )
  6. Symptom table
    1. Check whether the trouble phenomenon applies to the items listed in the symptom table. (For the SYMPTOM TABLE , please refer to .)
      RESULT DESCRIPTION

      Result Go to
      Does not apply to items in the symptom table. A
      Applies to an item in the symptom table. B
      1. Go to next step
      2. Go to Step  8.
  7. Based on the trouble phenomenon, use the following methods to perform troubleshooting
    1. Data monitor/active test (Refer to DATA MONITOR/ACTIVE TEST )
    2. ECM terminal arrangement (Refer to ECM TERMINAL ARRANGEMENT )
  8. Adjustment, repair, or replacement
  9. Diagnosis codes recheck
    1. Using SSM4, clear the diagnostic code. (Refer to CHECKING/CLEARING DIAGNOSTIC CODES )
    2. Recheck the diagnosis codes (Refer to LIST OF DIAGNOSTIC CODES )
      NOTE: Check the output for each diagnosis code. (Refer to LIST OF DIAGNOSTIC CODES )
      RESULT DESCRIPTION

      Result Go to
      No diagnosis code output. A
      Diagnosis code output (Steering lock system malfunction) B
      1. Go to next step
      2. Go to "List of diagnostic codes" (Refer to LIST OF DIAGNOSTIC CODES )

    Complete