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Home >> Kia >> 2005 >> Rio Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 5 (Fuel System & Fault Isolation) >> DTC Troubleshooting >> DTC P0121: Throttle Position Sensor Circuit Range Performance Problem >> General Information >> DTC Detecting Condition

General Information: DTC Detecting Condition

WARNING: This page is about a different car, the 2004 Kia Rio. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTING CONDITION AND POSSIBLE CAUSES

Item Detecting Condition Possible Cause
DTC Strategy
  • Rationality check
  • Contact resistance in connectors
  • Faulty TP Sensor (TPS)
Enable Conditions
  • Stable purge operation: No/max. purge state
  • Battery voltage > 11V
  • Lambda regulation active
  • Coolant temp. > 76°C (168.8°F)
  • No relevant failure
  • 992 < RPM < 3488
  
Threshold Value
  • Multiplicative adaptive factor > 22% or < -17% or
  • Correction of reduced throttle area < -35% or > 35%
Diagnostic Time
  • continuous
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