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EC-274 [QG (WITH EURO-OBD)] DTC P0139, P0159 HO2S2 (A/T MODELS) 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) 16 W Heated oxygen sensor 2 [Engine is running] ● Warm-up condition ● Engine speed is 3,000 rpm quickly after the fol- – Keeping the engine speed between 3,500 and 0 - Approximately 1.0V 74 B Sensors' ground [Engine is running] ● Idle speed Approximately 0V |