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Component Inspection

  1. IG "OFF"
  2. IG "ON" & Engine "OFF"
  3. After connecting scantool, Check DTC.
  4. Using scantool, Clear DTC.
  5. Again using scantool, Check DTC present.
  6. Is the same DTC shown, again?

    YES 

    • Substitute with a known-good HECU and check for proper operation. If problem is corrected, replace HECU and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    * In a case of replacing HECU, operate "Steering Angle Sensor Calibration" by scantool.

    NO 

    • Fault is intermittent caused by poor connection in HECU's connector or was repaired and HECU memory was not cleared.
    • Repair or replace as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
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