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DTC P0140: HO2S Circuit Insufficient Activity Sensor 2: Notes

WARNING: This page is about a different car, the 2008 Suzuki Reno, 2008 Suzuki Forenza, 2007 Suzuki Reno, and 2007 Suzuki Forenza. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Rear Heated Oxygen Sensor (HO2S2) - Circuit Diagram (Low Voltage)

Courtesy of SUZUKI OF AMERICA CORP.