Monitor SCANTOOL Data

Install Scantool and monitor the "TPS 2(Sub) or TP Sensor(ECM)" parameter on scantool.
Test Condition: Ignition "ON" & Engine "OFF"

Specification:

Throttle valve fully closed: approx. 4.5~5.0V

Throttle valve fully open: approx. 0.3 ~ 0.9V

TPS signal should decrease smoothly as throttle is opened.

Fig 1: Monitor Scantool Data
Courtesy of KIA MOTORS AMERICA, INC.
Is the 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 "W/Harness Inspection" procedure.