Fault code information • MID (“Message Identification Description”): The MID consists of a number which designates the control unit that sent the fault code message. (e.g. the engine control unit). • PID (“Parameter Identification Description”): The PID consists of a number that designates a parameter (value) to which the fault code relates
A magnetically controlled proportional valve (MPROP) controls the high pressure pump to ensure that the correct fuel pressure (rail pressure) is retained despite varying engine speed and loading.
EMS 2 is an electronic system with CAN communication (Controller Area Network) for diesel engine control. The system has been developed by Volvo and includes fuel control and diagnostic function. The system consists of a control unit, six unit injectors, a number of sensors that supply the control unit with measurements, sockets for diagnosis and functional checks. The engine can be connected to a communications interface consisting of a CAN link and a serial link.
This Service Manual contains technical data, descriptions and maintenance and repair instructions for standard model Volvo Penta products. A list of these products may be found in the section Specifications. The product designation and the serial number and specification is indicated on the engine decal or type plate.
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