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Elantra Value Edition
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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
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
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)