TABLE OF CONTENTS 1. Product Application ------------------------------------------------------------------------------------- 1 1.1 Application ------------------------------------------------------------------------------------------------------------------- 1 1.2 System Components Parts Numbers --------------------------------------------------------------------------------- 1 2.
Outline ------------------------------------------------------------------------------------------------------ 2 2.1 Features of System ------------------------------------------------------------------------------------------------------- 2 [1] System Characteristics ------------------------------------------------------------------------------------------------ 2 2.2 Outline of System ---------------------------------------------------------------------------------------------------------- 4 [2] Comparison to the Conventional System ------------------------------------------------------------------------- 3 [1] Composition -------------------------------------------------------------------------------------------------------------- 4 [2] Operation ----------------------------------------------------------------------------------------------------------------- 4 2.3 Fuel System and Control System -------------------------------------------------------------------------------------- 5 [4] Control System ---------------------------------------------------------------------------------------------------------- 5 3.
Construction and Operation--------------------------------------------------------------------------- 6 [3] Fuel System -------------------------------------------------------------------------------------------------------------- 5 3.1 Description of Main Components ------------------------------------------------------------------------------------- 6 [1] Supply Pump (HP3, HP4) --------------------------------------------------------------------------------------------- 6 [2] Description of Supply Pump Components ------------------------------------------------------------------------ 13 [3] Rail -------------------------------------------------------------------------------------------------------------------------- 16 [4] Injector (G2 Type) ------------------------------------------------------------------------------------------------------- 17 [5] Engine ECU (Electronic Control Unit) ------------------------------------------------------------------------------ 22 3.2 Description of Control System Components ------------------------------------------------------------------------ 22 [1] Engine Control System Diagram ------------------------------------------------------------------------------------ 22 [2] Sensor and Relays ----------------------------------------------------------------------------------------------------- 23 3.3 Various Types of Controls ----------------------------------------------------------------------------------------------- 29 [1] Fuel Injection Rate Control ------------------------------------------------------------------------------------------- 30 [2] Fuel Injection Quantity Control --------------------------------------------------------------------------------------- 31 3.4 Other Relevant Engine Control ----------------------------------------------------------------------------------------- 36 [3] Fuel Injection Timing Control ----------------------------------------------------------------------------------------- 35 [1] EGR Control -------------------------------------------------------------------------------------------------------------- 36 3.5 Engine ECU ----------------------------------------------------------------------------------------------------------------- 37 [1] Diagnosis Codes -------------------------------------------------------------------------------------------------------- 37 [2] ECU External Wiring Diagram --------------------------------------------------------------------------------------- 44 [3] ECU Connector Diagram ---------------------------------------------------------------------------------------------- 45 0