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Diagnostic Trouble Codes Detecting Condition and Trouble Area

DTC DETECTING CONDITION AND TROUBLE AREA

DTC detecting condition Trouble area
While running under conditions described for "DTC Confirmation Procedure", output waveform of HO2S-1 becomes similar to output waveform of HO2S-2.
(2 driving cycle detection logic)
  • Exhaust gas leak
  • Three way catalytic converter malfunction
  • HO2S-2 malfunction
  • HO2S-2 circuit malfunction