Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Kia >> 2017 >> Forte EX >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle System Diagnosis - 2.0L >> DTC P0721: Output Speed Sensor Circuit Range/Performance >> DTC Inspection >> Monitor GDS Data

Monitor GDS Data

  1. Connect GDS to Data Link Connector (DLC).
  2. Ignition "ON" & Engine "ON".
  3. Select "Current Data  " mode and monitor "Input Speed (PG-A)", "Output Speed (PG-B)", Shift Lever Switch", "Current Gear", "Engine RPM", "Vehicle Speed" parameter.
  4. Driving above 20 Km/h (12.4mi/h).

    Specification  : Increasing Gradually

    Fig 1: Screen Display - P, N Range
    G12151929Courtesy of KIA MOTORS AMERICA, INC.
    Fig 2: Screen Display - R Range
    G12151930Courtesy of KIA MOTORS AMERICA, INC.
    Fig 3: Screen Display - D Range 1st Gear
    G12151931Courtesy of KIA MOTORS AMERICA, INC.
    Fig 4: Screen Display - D Range 1st Gear (Vehicle Speed=0)
    G12151932Courtesy of KIA MOTORS AMERICA, INC.
    Fig 5: Screen Display - D Range 2nd Gear
    G12151933Courtesy of KIA MOTORS AMERICA, INC.
    Fig 6: Screen Display - D Range 3rd Gear
    G12151934Courtesy of KIA MOTORS AMERICA, INC.
    Fig 7: Screen Display - D Range 4th Gear
    G12151935Courtesy of KIA MOTORS AMERICA, INC.
    Fig 8: Screen Display - D Range 5th Gear
    G12151936Courtesy of KIA MOTORS AMERICA, INC.
    Fig 9: Screen Display - D Range 6th Gear
    G12151937Courtesy of KIA MOTORS AMERICA, INC.
  5. Is measured "Output speed sensor" value within specification?

    YES 

    • Fault is intermittent caused by poor contact between PCM/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 Vehicle Repair " procedure.

    NO