LEMON Manuals
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Elantra Value Edition
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Repair and Diagnosis (Single Page)
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Engine Control System Diagnosis - 2.0L (3 Of 3)
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DTC P2237-00: O2 Sensor Pumping Current Circuit/Open (Bank 1 Sensor 1)
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Specification
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Signal Waveform & Data
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Signal Waveform & Data
Fig 1: Scantool Display - Normal Waveform Of Front Heated Oxygen Sensor (S1) Engine Idle
Courtesy of HYUNDAI MOTOR AMERICA
CH A1 (Nernst cell voltage), CH A2 (Pump cell voltage), CH B1 (Common ground), CH B2 (Compensative resistance)