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EC-746 < FUNCTION DIAGNOSIS > [MR18DE] EVAPORATIVE EMISSION SYSTEM NOTE: System Description INFOID:0000000001161745 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. SYSTEM DESCRIPTION 1. EVAP canister purge volume control 2. EVAP purge resonator 3. EVAP canister
1. EVAP canister 3.
ALBIA0274ZZ 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 Heated oxygen sensor 1 Density of oxygen in exhaust gas Fuel tank temperature sensor Fuel temperature in fuel tank Combination meter* 2 Vehicle speed |