User Manuals: Mercedes-Benz M 447 hLAG Gas Engine

Manuals and User Guides for Mercedes-Benz M 447 hLAG Gas Engine. We have 1 Mercedes-Benz M 447 hLAG Gas Engine manual available for free PDF download: Service Manual

Mercedes-Benz M 447 hLAG Service Manual

Mercedes-Benz M 447 hLAG Service Manual (83 pages)

Natural Gas Engine EGM Engine Control Unit

Brand: Mercedes-Benz | Category: Engine | Size: 1 MB

Table of Contents

Table of Contents
4
1 Natural Gas Engine M 447 Hlag

8
- Overall System of Natural Gas Engine
  10
2 Functional Description of EGM

11
3 Electrical Description of EGM

42
- System Interface Overview
  42
  - Block Diagram
    42
- Block Diagram for Electrical Description
  42
  - Connector Assignment of EGM and Ignition Modules
    43
  - Power Supply of EGM
    45
  - Power Supply of Ignition Module
    46
  - Sensor Technology
    47
    
    Active Sensors
    47
    
    Special Sensors
    47
    
    Passive Sensors
    48
  - Digital Inputs
    49
    
    Terminal
    49
    
    Service Switch Start/Stop
    49
  - Actuator Technology
    50
    
    Gas Injectors
    50
    
    Gas Injector Actuation
    50
- Actuation Phases and Current Curve of Gas Injectors
  51
- Principle of Ignition Actuation
  53
4 Diagnosis

54
5 Checking EGM

74
6 Appendix

80
- Pulse Width Modulated Signal
  80
- Drawing: Pulse Width Modulated Signal
  80
  - Overview of Bus Systems (Evobus)
    81
7 Index

82

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