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Home >> Hyundai >> 2015 >> Equus Signature >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 3) >> DTC P0123: Throttle Position Sensor 1 Signal Circuit High Input >> DTC Information >> DTC Detecting Condition
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DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Plausibility check between
  1. Poor connection
  2. Open or short to power in signal circuit
  3. Open in ground circuit
  4. TPS
Enable Conditions
  • IG "ON"
Threshold value
  • TPS1 voltage is higher than 4.63V
Diagnosis Time
  • 0.14 sec
MIL On Condition
  • 1 driving cycles
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