Component Inspection

CMPS check.
1. Key "ON" (Don't disconnect sensors).
2. Select "vehicle scope meter" in the menu, and connect channel A of scan tool with terminal 2 of CMPS harness connector.
3. Engine start. And check the signal waveforms.
  SPECIFICATION :
  
  Fig 1: Scan Tool Display - CMPS And CKPS Signal Waveform
  Courtesy of KIA MOTORS AMERICA, INC.
4. Is the signal waveform within specifications?
  YES
  - Substitute with a known-good ECM/PCM and check for proper operation. If the problem is corrected, replace ECM/PCM and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
  NOTE: There is a memory reset function on scan tool that can erase optional parts automatically detected and memorized by ECM/PCM.
  Before or after testing ECM/PCM on the vehicle, use this function to reuse the ECM/PCM
  
  NO
  - Substitute with a known-good CMPS and check for proper operation. If the problem is corrected, replace CMPS and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.