owners manual Mini Cooper

owners manual Mini Cooper - year of production: 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000 - Mini Cooper workshop manual EN

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text version of content this owner's manual page from owners manual to the vehicle Mini Cooper, year of production 1961 - 2000:

ENGINEMANAGEMENTSYSTEM-MEMS FUELSYSTEM TheModularEngineManagementSystem(MEMS) is controlled by an ECM mounted in the engine EngineControlModule(ECM) compartment.The ECMisanadaptiveunitwhich over a period of time learns the load and wear characteristics of the engine it controls. The ECM remembersandupdatestwomainengine requirements when the engine is running at normal operating temperature: 1. The position of the idle air control (IAC) valve required to achieve a specified idle speed. This is then used as a reference for IAC valve movementtoachieveidlespeedunderallload conditions. 2. The fuelling change or offset required to achieve a set oxygen sensor voltage. This allows the system to provide the correct fuelling without having to apply excessive adjustments to the fuelling which can adversely affect the emissions and driveability. NOTE:Afterfitting a different ECM, TestBookwillberequiredtoreprogramme the ECMwiththecodefromtheanti-theft control unit and to perform a full engine tune procedure. TheECMinputsandoutputsareshowninthe following table: INPUTS OUTPUTS Crankshaft position sensor Camshaftposition sensor Purge valve Manifold absolute pressure sensor Ignition coil Engine coolant temperature sensor Injectors Intake air temperature sensor Idle air control valve Heatedoxygensensor ECM Fuel pump relay Throttle position sensor Diagnostic connector Diagnostic input Heatedoxygensensorrelay Battery supply Mainrelay Starter signal Cooling fans Earth supply Air conditioning Anti-theft control unit 6 DESCRIPTIONANDOPERATION

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year of production from: 1961

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