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 Manifold absolute pressure sensor IGNITIONTIMINGCOMPENSATION Enginecoolanttemperaturesensor Themanifoldabsolute pressure (MAP) sensor is mounteddirectly on the inlet manifold. The MAP sensor converts pressure variations within the inletTheenginecoolant temperature (ECT) sensor is a manifold into graduated electrical signals which can’thermistor’ (a temperature dependent resistor), i.e. bereadbytheECM.Increasesanddecreasesinthethe voltage output varies in proportion to manifold pressure provide the ECM with an accuratetemperature. The ECT sensor is located on top of representation of the load being placed on thethe coolant outlet elbow. The ECM constantly engine allowing the ECM to adjust the quantity ofmonitors this signal and uses the information to fuel being injected and the ignition timing to achieveprovide optimum driveability and emissions by optimumfuelling of the engine. advancing or retarding the ignition timing. Idle speed control With the throttle pedal released and the engine at idle, the ECM uses the fast response of the engine to ignition timing to maintain idle stabilisation. Whenloadsareplacedonorremovedfromthe engine, the ECM responds to changes in engine speedandinconjunctionwith adjusting the idle air control valve (IACV), advances or retards the ignition timing to maintain a specified idle speed. WhenloadisremovedfromtheenginetheIACV returns to its original position and the ignition timing returns to the idle setting. NOTE:Duetothesensitivityofthis systemtheignitiontimingwillbe constantly changing at idle speed. 4 DESCRIPTIONANDOPERATION

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year of production from: 1961

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