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ENGINE CONTROL SYSTEM EC-25 C D E F G H I J K L M A EC System Chart ABS002D3 *1: This sensor is not used to control the engine system. This is used only for the on board diagnosis. Input (Sensor) ECM Function Output (Actuator) ● Camshaft position sensor (PHASE) ● Crankshaft position sensor (POS) ● Mass air flow sensor ● Engine coolant temperature sensor ● Heated oxygen sensor 1 ● Throttle position sensor ● Accelerator pedal position sensor ● Park/neutral position (PNP) switch ● Intake air temperature sensor ● Power steering pressure sensor ● Ignition switch ● Battery voltage ● Knock sensor ● Refrigerant pressure sensor ● Stop lamp switch ● Fuel level sensor* 1 ● EVAP control system pressure sensor ● Fuel tank temperature sensor* 1 ● Heated oxygen sensor 2* 2 ● TCM (Transmission control module)* 3 ● VDC/TCS/ABS control unit* 3 ● Air conditioner switch* 3 ● Wheel sensor* 3 ● Electrical load signal* 3 Fuel injection & mixture ratio control Fuel injector Electronic ignition system Power transistor Nissan torque demand control system ● Electric throttle control actuator ● Fuel injector Fuel pump control ● Fuel pump relay ● Fuel pump control module On board diagnostic system MIL (On the instrument panel) Power valve control VIAS control solenoid valve Heated oxygen sensor 1 heater control Heated oxygen sensor 1 heater Heated oxygen sensor 2 heater control Heated oxygen sensor 2 heater Intake valve timing control Intake valve timing control solenoid EVAP canister purge flow control EVAP canister purge volume control Air conditioning cut control Air conditioner relay Cooling fan speed control Cooling fan speed control solenoid ON BOARD DIAGNOSIS for EVAP system ● EVAP canister vent control valve ● Vacuum cut valve bypass valve |