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Home >> Hyundai >> 2009 >> Tucson GLS, Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle System >> Troubleshooting for DTC >> P0721 Output Speed Sensor Circuit Range/Performance >> Monitor Scantool Data
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Monitor Scantool Data

  1. Connect scantool to data link connector (DLC)
  2. Engine "ON".
  3. Monitor the "OUTPUT SPEED SENSOR" parameter on the scantool
  4. Driving at speed of over 19 Mile/h (30 Km/h)

    Specification  : Increasing Gradually

    Fig 1: Scan Tool Screen Display - OUTPUT SPEED SENSOR
    G06207294Courtesy of HYUNDAI MOTOR CO.

    Fig 1) Low-speed

    Fig 2) High-speed

  5. Does "Output Speed Sensor" follow the reference data?

    YES 

    • Fault is intermittent caused by poor contact in the sensor's and/or TCM (PCM)'s connector or was repaired and TCM (PCM) memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration or damage. Repair or replace as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

    • Go to "W/Harness Inspection" procedure.