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2009
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Spectra5 2.0 1, Automatic
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Repair and Diagnosis
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Engine Performance
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System
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DTC Troubleshooting Procedures (2 Of 2)
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P2270: O2 Sensor Signal Stuck Lean (Bank 1 Sensor 2)
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Signal Waveform
Signal Waveform
Fig 1: Signal Waveform Graph
Courtesy of KIA MOTORS AMERICA, INC.
A: Open in Signal circuit: Approx. 0V
B: Normal value with idle after warm up: Above 0.6V