Component Inspection

Select 'Actuation Test' mode and execute 'ETC motor' item.

Fig 1: TPS1 And TPS2 Voltage Signal Waveform
Courtesy of HYUNDAI MOTOR CO.

Fig 2: Scan Tool Display - ETC Motor Test
Courtesy of HYUNDAI MOTOR CO.
- During 'ETC Motor' test, TPS1 and TPS2 show symmetrical movements.
Is the waveform normal?
YES
- Check for poor connection between PCM and component: backed out terminal, improper mating, broken locks or poor terminal to wire connection. Repair as necessary and go to VERIFICATION OF VEHICLE REPAIR .
NO
- Check ETC for contamination, deterioration, or damage. Substitute with a known-good ETC and check for proper operation. If the problem is corrected, replace TPS and then go to VERIFICATION OF VEHICLE REPAIR .
  NOTE:
  It is necessary to perform the TPS adaptation procedure after the ETC assembly or PCM replacing.
  - TPS adaptation procedure
  Ignition "OFF" and then "ON" without cranking. Wait for 10 seconds under enable conditions.
  → Enable conditions: Battery >10 V & Intake Air Temp. >5.3°C (41.5°F) & 5.3°C (41.5°F) < Engine Coolant Temp. < 99.8°C (211.6°F)