Monitor Scan Tool Data

1. Install Scan Tool and monitor the "TPS 1 (Main) or TP Sensor (ETS)" parameter on scan tool.

   Test Condition: Ignition "ON" & Engine "OFF"

   Specification :

   Throttle valve fully closed: Approx. 0.3~1.0V.

   Throttle valve fully open: Approx. 4.2~4.8V.

   TPS signal should increase smoothly as throttle is opened.

   Fig 1: Identifying Signal Waveform

   Courtesy of HYUNDAI MOTOR CO.
2. Is TPS signal within specifications?

YES:  

• Fault is intermittent caused by poor contact in the 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 as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

NO:  

• Go to TERMINAL INSPECTION  procedure.