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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 >> Ground Circuit Inspection

Ground Circuit Inspection

  1. Ignition "ON" & Engine "OFF".
  2. Disconnect the "OUTPUT SPEED SENSOR" connector
  3. Measure resistance between terminal "1" of the OUTPUT SPEED SENSOR harness connector and chassis ground.

    Specification  : Approx. 0 Ω

    Fig 1: Measuring Resistance Between Terminal 1 Of Output Speed Sensor Harness Connector And Chassis Ground
    G06207304Courtesy of HYUNDAI MOTOR CO.
  4. Is resistance within specifications?

    YES 

    NO