Component Inspection

Check TPS performance
1. IG KEY "OFF".
2. Connect CH A probe to signal terminal MAPS and CH B probe to signal terminal of TPS connector.
3. Warm up the engine to normal operating temperature.
4. Measure signal waveform of MAPS and TPS together by stepping on and off the accelerator pedal.
  Specification: Refer to SIGNAL WAVEFORM & DATA
  
  Fig 1: Scantool Display - TPS Performance Signal Waveform
  Courtesy of KIA MOTORS AMERICA, INC.
Confirm Part Inspection
1. Does the TPS operate properly? (Check variation)
  YES
  - Go to "VERIFICATION OF VEHICLE REPAIR " procedure.
  NO
  - Substitute with a known-good TPS and check for proper operation. If the problem is corrected, replace TPS and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.