Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Hyundai >> 2007 >> Sonata SE >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (3.3L) (2 Of 2) >> DTC Troubleshooting Procedures >> DTC P2127 Throttle/Pedal Position Sensor/Switch "E" Circuit Low Input >> Monitor SCANTOOL Data

Monitor SCANTOOL Data

  1. Connect scantool to DLC. (Data Link Connector)
  2. Warm up the engine to normal operating temperature.
  3. Monitor "APS1 & APS2" parameters on the scantool.
    OUTPUT VOLTAGE CHART

    Pedal Position Output Voltage (V) [Vref = 5.0V]
    APS1 APS2
    C.T 0.7 ~ 0.8V 0.275 ~ 0.475V
    W.O.T 3.8 ~ 4.4V 1.75 ~ 2.35V
    Fig 1: Diagnosis Function Screen Display - RPM
    G04891537Courtesy of HYUNDAI MOTOR CO.
  4. Are those "APS1 & APS2" parameters displayed correctly ?

    YES 

    • Fault is intermittent caused by poor contact in Sensor' s and/or PCM' s connector or was repaired and PCM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure

    NO 

scientia non olet · About Mike's Workshop Manuals