W220 Mercedes + Mercedes-Benz Cars of a class S (W220) + Operation manual + Routine maintenance + Engine + cooling and heating Systems + Power supply system and release - Engine electric equipment - Ignition and engine management system Basic elements of system of microprocessor management Checks of a control system by ignition and injection Search of malfunctions - the general information and preliminary checks Check and adjustment of a corner of an advancing of ignition Spark plugs Self-diagnostics of systems of electronic control of the second generation of OBD II The controler of interface of the personal computer with onboard system of self-diagnostics of OBD II according to protocols of the SAE standards (PWM and VPW) and ISO 9141-2 Oscillograph application for supervision of signals in chains of control systems Digital tire of data of CAN + charge and start Systems + Automatic transmission + Power shafts + Brake system + Suspension bracket and steering + Body + Onboard electric equipment + electric equipment Cхемы
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Ignition and engine management system
Basic elements of system of microprocessor management
Elements of management of engines 112, 113
Elements of a control system of ignition and injection of engines 112, 113
Arrangement of control units in the car
Control unit sockets engine and purpose of contacts
Basic elements of electric equipment, arrangement of control units are presented by ignition and injection of fuel, sensors, valves and elements of a drive on illustrations.
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Arrangement of the basic electric elements in the car |
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Control unit arrangement the engine (under a cowl on the right, behind) |
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Dual coils of ignition for two spark plugs And and In one cylinder |
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Coils of ignition of candles of the 1st cylinder (the right side of the engine) |
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Coils of ignition of candles of the 5th cylinder (the left side of the engine) |
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The pressure sensor in a fuel tank (a forward, central part of a luggage carrier) |
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Sensor of pressure В28 (forward, top part of the engine) |
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Thermometric measuring instrument of weight of soaked-up air (back, central part of the engine) |
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Sensor of pressure of oil (right side of the engine, from below) |
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Sensor of a pedal of an accelerator |
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Sensor of position of the crankshaft (the left back part of the engine) |
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Sensor of the Hall of a camshaft (the right forward part of the engine) |
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Sensor of speed of the car forward right (wheel arch) |
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Sensor of speed of the car back right (wheel arch) |
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The sensor of the parking brake (on a pedal of the parking brake) |
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The sensor of temperature of cooling liquid - ECT (a forward part of the engine) |
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The sensor of level of cooling liquid on a broad tank |
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The sensor of level of brake liquid (on the tank - an impellent compartment at the left) |
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Left dokataliticheskiya lambda probe |
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Right dokataliticheskiya lambda probe |
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Cylinder 1 injector (the right side of the engine) |
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Valve of an otsechka of the left number of cylinders (the left side of the engine) |
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Valve of an otsechka of the right number of cylinders (the right side of the engine) |
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The valve of switching of the pump of system of a podmeshivaniye of air in an exhaust (a forward part of the engine) |
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Valve of management of a purge of a coal adsorber (the left, back part of an impellent compartment) |
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The transmitter of vacuum of the valve of a retsirkulyatsiya of the fulfilled gases (back part of a digatel) |
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Left post-catalytic lambda probe |
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Right post-catalytic lambda probe |
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