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EC-530 [QG (WITH EURO-OBD)] FUEL PUMP CIRCUIT FUEL PUMP CIRCUIT PFP:17042 Description EBS00QTI SYSTEM DESCRIPTION *: The ECM determines the start signal status by the signals of engine speed and battery voltage. The ECM activates the fuel pump for several seconds after the ignition switch is turned on to improve engine COMPONENT DESCRIPTION A turbine type design fuel pump is used in the fuel tank. CONSULT-II Reference Value in Data Monitor Mode EBS00QTJ Specification data are reference values. Sensor Input Signal to ECM ECM Function Actuator Crankshaft position sensor (POS) Engine speed * Fuel pump control Fuel pump relay Battery Battery voltage * Condition Fuel pump operation Ignition switch is turned to ON. Operates for 1 second. Engine running and cranking Operates. When engine is stopped Stops in 1.5 seconds. Except as shown above Stops. MBIB0046E MONITOR ITEM CONDITION SPECIFICATION FUEL PUMP RLY ● For 1 seconds after turning ignition switch ON ● Engine running or cranking ON ● Except above conditions OFF |