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EC-410 < FUNCTION DIAGNOSIS > [HR16DE (WITHOUT EURO-OBD)] ELECTRIC IGNITION SYSTEM ELECTRIC IGNITION SYSTEM System Diagram INFOID:0000000001693467 System Description INFOID:0000000001693468 INPUT/OUTPUT SIGNAL CHART *1: This signal is sent to the ECM through CAN communication line. *2: ECM determines the start signal status by the signals of engine speed and battery voltage. SYSTEM DESCRIPTION Firing order: 1 - 3 - 4 - 2 JMBIA0174GB Sensor Input Signal to ECM ECM function Actuator Crankshaft position sensor (POS) Engine speed* 2 Piston position Ignition timing Ignition coil (with power transis- Camshaft position sensor (PHASE) Mass air flow sensor Amount of intake air Engine coolant temperature sensor Engine coolant temperature Throttle position sensor Throttle position Accelerator pedal position sensor Accelerator pedal position Battery Battery voltage* 2 Knock sensor Engine knocking Park/neutral position (PNP) switch Gear position Combination meter* 1 Vehicle speed |