1. Starting System 5 1.1 Features 5 1.2 Operating Principle 5 1.3 Structure and Operation 7 1.4 Schematic Diagram 11 1.5 Inspection 12 1.6 Troubleshooting 18 2. Charging System 19 2.1 Features 19 2.2 Operating Principle 19 2.3 Structure and Operation 21 2.4 Schematic Diagram 27 2.5 Inspection 28 2.6 Troubleshooting 35 3. Preheating System 37 3.1 Features 37 3.2 Operating Condition 38 3.3 Components 39 3.4 Schematic Diagram 40 3.5 Inspection 41 3.6 Troubleshooting 44 4. ETACS 47 4.1 Features 47 4.2 Operating Conditions by Function 57 5. Component Location 73 5.1 K2700 73 5.2 PREGIO 75 1. Starting System 1.1 Features The purpose of the starting system is to use electricity from the battery and an electric motor to turn over the engine during starting. The starting system consists of the battery, a starting motor, a magnetic switch, an ignition switch, and related electrical wiring. A typical starting motor is made up of a frame and field coil assembly, an armature, a drive mechanism, a brush and holder assembly, and a magnetic switch.