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Home >> Genesis >> 2022 >> GV70 2.5T Select >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis - 2.5L (3 Of 6) >> DTC P0420-00: Catalyst System Efficiency Below Threshold (Bank 1) >> DTC Information And Inspection >> Component Inspection >> Downstream O2 Sensor Signal Inspection
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Downstream O2 Sensor Signal Inspection

Item Normal Value Prerequisite Condition Probe (+) Probe (-)
Signal circuit voltage Refer to below figure
G14755059Courtesy of HYUNDAI MOTOR AMERICA
G14755060Courtesy of HYUNDAI MOTOR AMERICA
G14755061Courtesy of HYUNDAI MOTOR AMERICA
 Signal circuit terminal Ground circuit terminal
G14755062Courtesy of HYUNDAI MOTOR AMERICA
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