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EC-74 < FUNCTION DIAGNOSIS > [VQ35HR] EVAPORATIVE EMISSION SYSTEM EVAPORATIVE EMISSION SYSTEM System Diagram INFOID:0000000003133272 System Description INFOID:0000000003133273 INPUT/OUTPUT SIGNAL CHART *1: ECM determines the start signal status by the signals of engine speed and battery voltage. *2: This signal is sent to the ECM through CAN communication line. JMBIA1316GB Sensor Input signal to ECM ECM function Actuator Crankshaft position sensor (POS) Engine speed* 1 EVAP canister EVAP canister purge vol- Mass air flow sensor Amount of intake air Engine coolant temperature sensor Engine coolant temperature Battery Battery voltage* 1 Throttle position sensor Throttle position Accelerator pedal position sensor Accelerator pedal position Air fuel ratio (A/F) sensor 1 Density of oxygen in exhaust gas Fuel tank temperature sensor Fuel temperature in fuel tank EVAP control system pressure sensor Pressure in purge line Unified meter and A/C amp. Vehicle speed* 2 |