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DTC P1147, P1167 HO2S2 EC-497 C D E F G H I J K L M A EC Specification data are reference values and are measured between each terminal and ground. CAUTION: Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam- TER- MINAL NO. WIRE COLOR ITEM CONDITION DATA (DC Voltage) 123 PU Heated oxygen sensor 2 [Engine is running] ● Revving engine from idle up to 3,000 rpm – Warm-up condition – Keeping the engine speed between 3,500 0 - Approximately 1.0V |