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HAC-120 < ECU DIAGNOSIS > [AUTOMATIC AIR CONDITIONER] ECM 101 Ground SB ICC steering switch Input [Ignition switch: ON] 4.3V [Ignition switch: ON] 0V [Ignition switch: ON] 1.3V [Ignition switch: ON] switch: Pressed 3.7V [Ignition switch: ON] 3V [Ignition switch: ON] 2.2V 101 Ground SB ASCD steering switch Input [Ignition switch: ON] 4V [Ignition switch: ON] 0V [Ignition switch: ON] 1V [Ignition switch: ON] switch: Pressed 3V [Ignition switch: ON] 2V 102 Ground LG EVAP control system Input [Ignition switch: ON] 1.8 - 4.8V 103 Ground G Sensor power supply — [Ignition switch: ON] 5V 104 Ground GR Sensor ground — [Ignition switch: ON] 0V 105 Ground L Refrigerant pressure Input [Engine is running] motor switch: ON (Compressor 1.0 - 4.0V 106 Ground W Fuel tank temperature Input [Engine is running] 0 - 4.8V 107 Ground BR Sensor power supply — [Ignition switch: ON] 5V 108 Ground Y Sensor ground — [Engine is running] 0V 109 Ground G (A/ T) BR (M/T) PNP switch Input [Ignition switch: ON] tral (M/T) BATTERY VOLTAGE [Ignition switch: ON] 0V Terminal No. Wire color Description Condition Value (Approx.) + -– Signal name Input/ Output |