Component Inspection

Check APS
1. Connect GDS to DLC (Data Link Cable).
2. Warm up the engine to normal operating temperature.
3. Check the "Current Data" about related DTC with GDS.
  
  Fig 1: Scantool Display - Accelerator Pedal Position Sensor Waveform
  Courtesy of KIA MOTORS AMERICA, INC.
  1. Engine Idle after Warm Up
  2. At Acceleration
4. Is the measured signal waveform O.K?
  YES
  - Substitute with a known - good ECM and check for proper operation. If the problem is corrected, replace ECM and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
  NO
  - Substitute with a known-good APS and check for proper operation. If the problem is corrected, replace APS and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.