BMW M67 - Page 5

DI Diesel Engines M57/M67 - Common Rail Sec. 1-10
Course contents/Background material
Sec. 9 Digital Diesel Electronics 1
Review of DDE control units 2
System structure 3
Signal description 4
Analog inputs 4
Digital inputs 10
Frequency inputs 15
Power output stages 17
Switching outputs 19
Sec. 10
© BMW AG, Service Training
Signal output stages, bi-directional interfaces 28
Supply 32
Functional description 35
Signal preprocessing 36
Injection-rate control 38
High pressure control 42
Exhaust gas recirculation (EGR) 45
Boost-pressure control 47
Additional functions 49
Monitoring of the DDE control unit 54
Programming 55
Diagnosis 56
Service information 1
Diagnosis 1
Recommendations to repair instructions 2
M57 fuel system - engine start 2
High pressure system - fuel injectors 3
Valve timing M57 4
Camshafts M57 4
Repair instructions 5
Service information M57/M67 6
Special tools M57/M67 7
Appendix 1
Pin assignments (DDE 4.0/4.1) 1
Abbreviations 5