01 MS42%20MS43, BMW educational info, Dokumentacja

01 MS42%20MS43

01 MS42%20MS43, BMW educational info, Dokumentacja

[ Pobierz całość w formacie PDF ]
//-->Table of ContentsMS42/MS43SubjectPageMS42/MS43. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2Objectives of the Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2Purpose of the System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3System Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4Power Supply. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7Principle of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8Workshop Hints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9Tools and Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10Air Management. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11Principle of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20Workshop Hints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28Tools and Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31Fuel Management. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32Principle of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39Workshop Hints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45Tools and Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52Ignition Management. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55Principle of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62Workshop Hints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66Tools and Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .72Emissions Management. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .74Evaporative Emissions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .74Exhaust Emissions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .78Principle of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84Workshop Hints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .104Tools and Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .107Performance Controls. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .109ECM Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .117Tools and Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .118Review Questions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .119Initial Print Date: 02/01Revision Date: 09/04MS42/MS43Models: E46/E39/Z3 - MS42 with M52TU EngineE46/E39/Z3/E53 - MS43 with M54 EngineE46 AWD - MS43 with M54 EngineProduction Date: MS42 MY 1998 - 2000MS43 MY 2001 - 2002Manufacturer: SiemensPin Connector: 134 Pins - 5 Modular ConnectorsAfter completion of this module you will be able to:• Describe the Power Supply for the Fuel Injectors and Ignition Coils• Understand the MDK/EDK and Idle Air Actuator Operation• Name the Differences Between the MS42/MS43 Fuel Supply System• List the Inputs Required for Fuel Injector Operation• Describe Emission Optimized Function• Name the Two Types of Emissions the ECM Controls• Explain Why Two Sensors are Used to Monitor Accelerator Pedal Movement• Understand LDP and DM TL Evaporative Leak Testing• Describe How the Ignition System is Monitored2ST055 MS42/MS43MS42/MS43Purpose of the SystemThe MS42/MS43 systems manage the following functions:Air:• Idle Speed Valve• Electronic Throttle• Hot Film Air Mass Meter• Resonance-TurbulenceIntake ControlFuel:• Fuel Supply• Running Losses/Non Return• Fuel InjectionIgnition:• Direct Ignition/Optimized• Knock Control• Primary/Secondary IgnitionMonitoringMS42/MS43DMEEmissions:• OBD II Compliant• Secondary Air Injection• Pre and Post Oxygen Sensors• Oxygen Sensor Heating• MAP Thermostat• Misfire Detection• Evaporative Emission Control and LeakDetection• Malfunction Indicator Light/ServiceENGINE SOONPerformance Controls:• Dual VANOS Control• Output of Injection Signal (Ti) for MPG Gage• Output of Engine RPM (TD) for Tachometer• A/C Compressor Control• Electric Cooling Fan• CAN Bus Communication• ASC/DSC Interfacing• EWS 3.3• Cruise Control• ECM Programming3ST055 MS42/MS43System ComponentsMS42/MS43 Engine Control Module :The Engine Control Module (ECM) featuresa single printed circuit board with two 32-bit microprocessors.The task of the first processor is to control:• Engine Load• Electronic Throttle• Idle Actuator• Ignition• Knock ControlThe task of the second processor is to control:• Air / Fuel Mixture• Emission Control• Misfire Detection• Evaporative Leak Detection12550000.tiffX600019 - PinX6000224-PinX6000352 - PinX6000440 - PinX600059 - PinThe 134 pin ECM is manufactured by Siemens to BMW specifications. The ECM is theSKE (standard shell construction) housing and uses 5 modular connectors. For testing, usethe Universal Adapter Set (break-out box) Special Tool # 90 88 6 121 300.4ST055 MS42/MS43System Components: Inputs - Processing - OutputsELECTRONICTHROTTLEWARNING LIGHTEMLMDKMDKMalfunction IndicatorLightGT1DISplus5ST055 MS42/MS43 [ Pobierz całość w formacie PDF ]

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