EMS 2 TAD940GE, TAD941GE TAD940VE, TAD941VE, TAD942VE, TAD943VE
Contents Safety Precautions ................................................. 2 Introduction ......................................................... 2 General information ............................................. About this Workshop Manual .............................. Spare parts ......................................................... Certified engines .................................................
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Service procedures .............................................. Our joint responsibility ......................................... Tightening torques .............................................. Torque-angle tightening ....................................... Lock nuts ............................................................ Strength classes ................................................. Sealant ...............................................................
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General ................................................................. 8 Location of engine signs ..................................... 8 Tools ..................................................................... 9 Special tools ....................................................... 9 Technical data ..................................................... 10 Design and function ............................................ System description EMS 2 ................................ Component description, sensors and monitors ... Control module (EMS 2) ..................................... Control Interface Unit (CIU) ................................ Unit injector ........................................................ Alternator ........................................................... Starter ................................................................ Component location ...........................................
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Limit values ......................................................... Limit values control unit (EMS 2) TAD940–941GE ................................................. Limit values control unit (EMS 2) TAD940–943VE ................................................. Limp-Home function ...........................................
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Service procedures ............................................. 27 When working with EMS 2 ................................. 27 Control module (EMS 2), replace ....................... 28 Unit injector, replacing ......................................... 29 Starting with auxiliary batteries .......................... 30 Function check .................................................... 31 Diagnostic function for VODIA ........................... 31 Fault tracing ........................................................ 32 Symptoms and possible causes ........................ 32 Diagnostic function .............................................. 33 Diagnostic function ............................................ 33 Malfunction message ......................................... 33 Effect on engine .................................................. 33 Operation ............................................................ 33 Reading fault codes ........................................... 34 Erasing fault codes ............................................ 34 Fault codes (EMS 2) ............................................ 35 Electrical fault tracing ......................................... General ................................................................. Functional check of wiring and connector blocks ................................................ Functional check of wiring and connector blocks ... Splicing cables for cable connectors .................. Checking/fault tracing components .................... Electrical system ................................................. Important information - electrical system ........... Electrical system, overview ............................... Wiring diagram EMS 2 ....................................... Wiring diagram, control Interface Unit (CIU) ....... Wiring diagram, control interface unit (CIU) – Power pack ........................................................
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