See ELECTRIC SECONDARY AIR INJECTION SYSTEM under SECONDARY AIR INJECTION SYSTEM. See MALFUNCTION INDICATOR LIGHT under SELF-DIAGNOSTIC SYSTEM. REM will communicate diagnostic information through Standard Corporate Protocol (SCP) BUS (+) and BUS (-) circuits, instead of using a Fuel Pump Monitor (FPM) circuit.Ģ003 ENGINE PERFORMANCE Theory & Operation - CNG, Flex-Fuel & Gasoline Fuel pump operation is same as applications using stand-alone FPDM. On LS and Thunderbird, FPDM functions are incorporated in Rear Electronic Module (REM). See VARIABLE INDUCTION SYSTEM under AIR INDUCTION SYSTEMS. See IDLE AIR CONTROL VALVE ASSEMBLY under IDLE CONTROL SYSTEM under AIR INDUCTION SYSTEMS. See GENERATOR COMMUNICATION under PCM CONTROLLED CHARGING SYSTEM under MISCELLANEOUS CONTROLS.
30: Fuel Pump Duty Cycle Output Definitions Courtesy of FORD MOTOR CO. FPDM uses FP command to operate fuel pump at speed requested by PCM or to turn pump off.įig. Fuel Pump (FP) signal is a duty cycle command sent from PCM to Fuel Pump Driver Module (FPDM).
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