Monitor Scan Tool Data

Connect scan tool to Data Link Connector (DLC)
Ignition "ON" & Engine "ON".
Turn the steering wheel to the left or right.
Monitor the "STEERING ANGLE SENSOR" parameters on the Scan tool.
Specification : If the parameters are changed according to wheel position during steering the wheel, it is normal condition.

Fig 1: Monitoring Steering Angle Sensor Parameters
Courtesy of HYUNDAI MOTOR CO.

Fig 2: Signal Waveform Graph (1 Of 2)
Courtesy of HYUNDAI MOTOR CO.

Fig 3: Signal Waveform Graph (2 Of 2)
Courtesy of HYUNDAI MOTOR CO.
Whenever steering wheel is turned, is the steering sensor's scan tool data changed?
YES:
- Fault is intermittent caused by poor connection in steering sensor harness and/or HECU's connector or was repaired and HECU memory was not cleared.
  Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
  
  Repair or replace as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO:
- Go to "TERMINAL AND CONNECTOR INSPECTION " procedure.