LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Hyundai >> 2012 >> Elantra Limited >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 2) >> DTC P0122: Throttle/Pedal Position Sensor/Switch A Circuit Low Input >> Inspection/Repair >> Component Inspection
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Component Inspection

  1. Select 'Actuation Test' mode and execute 'ETC motor' item.
    Fig 1: Scantool Display - Current Data
    G07272264Courtesy of HYUNDAI MOTOR CO.
    • During 'ETC Motor' test, TPS1 and TPS2 show symmetrical movements.
  2. 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 " procedure.

    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 " procedure.
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 < 10V & Intake Air Temp. < 5.3°C (41.5°F) & 5.3°C (41.5°F) < Engine Coolant Temp. < 99.8°C (211.6°F)