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1F2-72 M161 ENGINE CONTROLS If the measured value is not within the specified value, the HFM Sensor 5V Power Supply Inspection 1. Measure the voltage between the HFM sensor No.4 pin and No.3 after removing the HFM sensor connector. HFM Sensor Input Voltage Inspection 1. Measure the HFM sensor signal voltage between the ECU terminal No.81 and No.105. Specified Value (coolant temperature is over 70°C) If the measured value is not within the specified value, the HFM Sensor 12V Power Supply Inspection 1. Measure the voltage between the HFM sensor No.2 pin and No.3 after removing the HFM sensor connector. If the measured value is not within the specified value, the Iginition"ON” 0.9 - 1.1 V Engine at idle 1.3 - 1.7 V Specified Value 11 - 14 V Specified Value 4.7 - 5.2 V |