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Home >> Kia >> 2017 >> Optima EX >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - 2.4L (Except HEV) >> ETC (Electronic Throttle Control) System >> Repair Procedures >> Inspection >> Throttle Position Sensor (TPS)
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Throttle Position Sensor (TPS)

  1. Connect the KDS/GDS on the Data Link Connector (DLC).
  2. Start the engine and measure the output voltage of TPS 1 and 2 at C. T. and W.O.T.
Throttle Angle(°) Output Voltage (V) [Vref = 5V]
TPS1 TPS2
0 0.0 5.0
10 0.48 4.52
20 0.95 4.05
30 1.43 3.57
40 1.90 3.10
50 2.38 2.62
60 2.86 2.14
70 3.33 1.67
80 3.81 1.19
90 4.29 0.71
100 4.76 0.24
105 5.0 0
C. T (6 - 15°) 0.29 - 0.71 4.29 - 4.71
W.O.T (93 - 102°) 4.43 - 4.86 0.14 - 0.57