Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Kia >> 2014 >> Soul Base, Automatic Trans >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle System Diagnosis - 1.6L >> DTC P0721: Output Speed Sensor Circuit Range/Performance >> DTC Inspection >> Monitor GDS Data

Monitor GDS Data

  1. Ignition "OFF".
  2. Connect GDS to Data Link Connector (DLC).
  3. Refer to "APPROPRIATE SERVICE INFORMATION" and lift vehicle with suitable lift.
  4. Engine "ON".
  5. Place gear lever position to "D" and Turn "OFF" TCS/ESC (ESP) system.
  6. Monitor "Input Speed (PG-A)", "Shift Lever Switch", "Vehicle Speed" and "Engine RPM" parameter in "Current Data"  with GDS.

    Specification:  Refer to Fig 1 below

    Fig 1: Display - Output Speed & Vehicle Speed Data When Driving On Lift
    G09780381Courtesy of KIA MOTORS AMERICA, INC.
  7. Is displayed parameter within specification?

    YES 

    • Fault might be intermittent and caused either by poor contact in connectors or wiring harness, or it has been repaired and control module memory is not cleared yet. Thoroughly check terminal of battery, all connectors (and connections) for looseness, bending, corrosion, contamination, deterioration, and/or damage.
    • Repair or replace as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

    • Go to next procedure.
  8. Ignition "OFF".
  9. Refer to "APPROPRIATE SERVICE INFORMATION" and remove necessary parts to get access to ATM Solenoid connector and lift vehicle with suitable lift.
  10. Engine "ON".
  11. Back probe and measure signal waveform between Pin No. 8 (Signal) terminal of ATM Solenoid harness connector and chassis ground.

    Specification:  High - Approx. 1.5 V/Low - Approx. 0.7 V (Refer to Fig 2 below)

    Fig 2: Display - Input/Output Speed Data & Signal Waveform W/ Engine "ON", Gear Lever Position At "P/N"
    G09780382Courtesy of KIA MOTORS AMERICA, INC.
    Fig 3: Display - Input/Output Speed Data & Signal Waveform W/ Engine "ON", Gear Lever Position At "R" & No Brake Pedal Applied
    G09780383Courtesy of KIA MOTORS AMERICA, INC.
    Fig 4: Display - Input/Output Speed Data & Signal Waveform W/ Engine "ON", Gear Lever Position At "R" And No Brake Pedal Applied
    G09780384Courtesy of KIA MOTORS AMERICA, INC.
    Fig 5: VMI Probe Measuring Input/Output Speed Sensor Signal Waveform
    G09780385Courtesy of KIA MOTORS AMERICA, INC.
  12. Is measured value within specification?

    YES 

    • Fault might be intermittent and caused either by poor contact in connectors or wiring harness, or it has been repaired and control module memory is not cleared yet. Thoroughly check terminal of battery, all connectors (and connections) for looseness, bending, corrosion, contamination, deterioration, and/or damage.
    • Repair or replace as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

scientia non olet · About Mike's Workshop Manuals