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Home >> Suzuki >> 2005 >> Aerio LX, FWD, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine General Information And Diagnosis >> DTC P0121: Throttle Position Sensor Circuit Range/Performance >> Diagnostic Trouble Codes Detecting Condition and Trouble Area
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Diagnostic Trouble Codes Detecting Condition and Trouble Area

DTC DETECTING CONDITION AND TROUBLE AREA

DTC detecting condition Trouble area
Throttle opening is detected as small (rationality-low) while engine is running under high road and high speed conditions or as large (rationality-high) while engine is running under low load and low speed conditions.
(2 driving cycle detection logic)
  • Air intake system
  • TP sensor
  • TP sensor circuit
  • ECM
  • MAF and IAT sensor