Component Inspection
- Check APS
- IG "OFF" and install a GDS.
- Connect probe to APS1 and APS2 to check signal waveform by using oscilloscope function.
- Measure signal waveform of APS by pressing and depressing accelerator pedal.
Specification : Signal waveform will be displayed as follows.
VOLTAGE SPECIFICATIONPedal Position Output Voltage (V) (Vref = 5.0V) APS1 APS2 C.T 0.7 ~ 0.8V 0.29 ~ 0.46V W.O.T 3.85 ~ 4.35V 1.93 ~ 2.18V Courtesy of KIA MOTORS AMERICA, INC.
- Is the measured resistance within specification?
YES
- Substitute with a known - good PCM and check for proper operation. If the problem is corrected, replace PCM and go to "VERIFICATION OF VEHICLE REPAIR " procedure.NOTE: There is a memory reset function on GDS that can erase optional parts automatically detected and memorized by PCM. Before or after testing PCM on the vehicle, use this function to reuse the PCM on the others
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.
- Substitute with a known - good PCM and check for proper operation. If the problem is corrected, replace PCM and go to "VERIFICATION OF VEHICLE REPAIR " procedure.