TABLE OF CONTENTS Repair.............................................................................................. 9-6 Remove Turbocharger ............................................................. 9-6 Install Turbocharger ................................................................. 9-6 Starter Motor ...................................................................................... 10-1 Safety Precautions ........................................................................ 10-3 Introduction.................................................................................... 10-3 Starter Motor Specifications ..........................................................
10-3 General Specifications ............................................................ 10-3 Special Torque Chart .............................................................. 10-3 Starter Motor Troubleshooting....................................................... 10-4 Remove and Install Starter Motor.................................................. 10-5 Alternator ........................................................................................... 11-1 Safety Precautions ........................................................................ 11-3 Introduction....................................................................................
11-4 Specifications ................................................................................ 11-4 General Specifications ............................................................ 11-4 Special Torque Chart .............................................................. 11-4 Repair............................................................................................ 11-5 Replace Alternator Belt ........................................................... 11-5 Remove and Install Alternator................................................. 11-5 Remove and Install Alternator Belt Tensioner.........................
11-6 Electrical and ECU ............................................................................ 12-1 Safety Precautions ........................................................................ 12-3 Introduction.................................................................................... 12-3 Specifications ................................................................................ 12-3 Special Torque Chart .............................................................. 12-3 Function Description - Engine Management System .................... 12-4 Component Locations .............................................................
12-4 Electrical Panel Connector (X1) Connections ......................... 12-8 Engine Control Unit (ECU) Assignments............................... 12-10 Component Tests........................................................................ 12-12 Relays ................................................................................... 12-12 Oil Pressure Sensor .............................................................. 12-14 Fuel Injector........................................................................... 12-14 Engine Coolant Temperature Sensor.................................... 12-15 High-Pressure Fuel Regulator...............................................
12-15 Water-in-Fuel Sensor ............................................................ 12-16 Crankshaft Speed Sensor ..................................................... 12-16 Glow Plug / Control Unit........................................................ 12-17 Fuel Temperature Sensor ..................................................... 12-18 Fuel Volume Regulator.......................................................... 12-18 Charge Air Temperature Sensor ........................................... 12-19 Charge Air Pressure Sensor ................................................. 12-19 High-Pressure Fuel Rail Pressure Sensor ............................
12-20 Camshaft Speed Sensor ....................................................... 12-20 viii BY Service Manual © 2009 Yanmar Marine International