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AIR CONDITIONING CUT CONTROL EC-737 [VK45DE] C D E F G H I J K L M A EC AIR CONDITIONING CUT CONTROL PFP:23710 Input/Output Signal Chart NBS0059M *1: This signal is sent to the ECM through CAN communication line. System Description NBS0059N This system improves engine operation when the air conditioner is used. ● When the accelerator pedal is fully depressed. ● When cranking the engine. ● At high engine speeds. ● When the engine coolant temperature becomes excessively high. ● When operating power steering during low engine speed or low vehicle speed. ● When engine speed is excessively low. ● When refrigerant pressure is excessively low or high. Sensor Input Signal to ECM ECM function Actuator Air conditioner switch Air conditioner ON signal* 1 Air conditioner Air conditioner relay Accelerator pedal position sensor Accelerator pedal position Crankshaft position sensor (POS) Engine speed* 2 Engine coolant temperature sensor Engine coolant temperature Battery Battery voltage* 2 Refrigerant pressure sensor Refrigerant pressure Power steering pressure sensor Power steering operation Wheel sensor Vehicle speed* 1 |