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2021
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Elantra N Line, Standard Trans
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Repair and Diagnosis
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External Pages
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Different variant/trim
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Section 34 (Engine Control System Diagnosis - 2.0L (Except HEV) (3 Of 6))
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DTC P0420-00: Catalyst System Efficiency Below Threshold (Bank 1)
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DTC Information And Inspection
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Component Inspection
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Downstream O2 Sensor Signal Inspection
Downstream O2 Sensor Signal Inspection
WARNING:
This page is about a different variant/trim than selected.
Item
Normal Value
Prerequisite Condition
Probe (+)
Probe (-)
Signal circuit voltage
Refer to below figure
Courtesy of HYUNDAI MOTOR AMERICA
Courtesy of HYUNDAI MOTOR AMERICA
Courtesy of HYUNDAI MOTOR AMERICA
Signal circuit terminal
Ground circuit terminal
Courtesy of HYUNDAI MOTOR AMERICA