SIEMENS SID 802 HD ENGINE MANAGEMENT SYSTEM OVERVIEW

 SIEMENS SID 802 HD ENGINE MANAGEMENT SYSTEM OVERVIEW

SIEMENS SID 802 HDI INJECTION SYSTEM FOR DV4TD ENGINE

The aim of this brochure is to define the composition and operation of the SIEMENS SID 802 HDI diesel engine management system for the DV4TD engine.

This device consists of an ECU which analyses the information from the various sensors and then controls the injectors at the right moment. It is also responsible for controlling a pressure regulator and the exhaust gas recycling electrovalve.

The following subjects will be dealt with in this document:

• General details and presentation of the system,
• Description, composition and operation of the components of the various functions or of the functions themselves,
• Description of the various operating phases,
• Maintenance advice,
• The electrical circuit,
• The diagnostic system.