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Home >> Kia >> 2012 >> Optima Hybrid >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle System Diagnosis - HEV >> DTC P0721: Output Speed Sensor Circuit Range_Performance >> Scantool Diagnostics >> Monitor Scantool Data

Monitor Scantool Data

  1. Connect scantool to Data Link Connector(DLC).
  2. Engine "ON".
  3. Select "Current Data" mode and monitor "Output speed sensor(PG-B)" parameter.
  4. Drive above 20 Km/h(12.4MPH)

    Specification  : Increasing Gradually

    Fig 1: Display - Input/Output Speed Sensor Current Data And Signal Waveform (P, N Range)
    G08311254Courtesy of KIA MOTORS AMERICA, INC.
    Fig 2: Display - Input/Output Speed Sensor Current Data And Signal Waveform (R Range)
    G08311255Courtesy of KIA MOTORS AMERICA, INC.
    Fig 3: Display - Input/Output Speed Sensor Current Data And Signal Waveform (D Range 1st Gear)
    G08311256Courtesy of KIA MOTORS AMERICA, INC.
    Fig 4: Display - Input/Output Speed Sensor Current Data And Signal Waveform (D Range 1st Gear, Vehicle Speed Zero)
    G08311257Courtesy of KIA MOTORS AMERICA, INC.
    Fig 5: Display - Input/Output Speed Sensor Current Data And Signal Waveform (D Range 2nd Gear)
    G08311258Courtesy of KIA MOTORS AMERICA, INC.
    Fig 6: Display - Input/Output Speed Sensor Current Data And Signal Waveform (D Range 3rd Gear)
    G08311259Courtesy of KIA MOTORS AMERICA, INC.
    Fig 7: Display - Input/Output Speed Sensor Current Data And Signal Waveform (D Range 4th Gear)
    G08311260Courtesy of KIA MOTORS AMERICA, INC.
    Fig 8: Display - Input/Output Speed Sensor Current Data And Signal Waveform (D Range 5th Gear)
    G08311261Courtesy of KIA MOTORS AMERICA, INC.
    Fig 9: Display - Input/Output Speed Sensor Current Data And Signal Waveform (D Range 6th Gear)
    G08311262Courtesy of KIA MOTORS AMERICA, INC.
  5. Is measured "Output speed sensor" value within specifications?

    YES 

    • Fault is intermittent caused by poor contact between TCM and Sensor, and DTC was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO