MANUAL DE SERVIÇO – JAC MOTORS J3 (Engine VVT Volume)

Mechanical Part of Engine:

Section 1 Engine Body
– General Precautions
– Preparation
– Engine Assembly
– Drive Belt
– Air Filter and Air Duct
– Intake Manifold and Exhaust Manifold
– Exhaust System
– Timing sprocket mechanism
– Cylinder head
– Valves
– Cylinder Body Assembly
– Diagnosis of Common Troubles
– Parameters for Maintenance

Section II Engine Lubrication System
– Precautions
– Preparation
– Lubrication system schematic diagram
– Engine Oil
– Oil Pan and Engine Oil Pump

Section III Cooling System of Engine
– Cooling Circuit
– Engine Coolant
– Radiator Cooling Fan
– Water Pump
– Thermostat Sub-assembly
– Water Piping Sub-assembly
– Trouble Analysis
– Parameters for Maintenance

Section IV Fuel Supply System of Engine
– General Precautions
– Preparation
– Fuel System
– Fuel Injector and Guide Rai
– Fuel Filter
– Fuel Pump Assembly
– Fuel Tank Assembly

Section V Emission Control System of Engine
– Fuel Evaporation Control System
– Forced Ventilating System of Crankcase

Chapter II Electrical Part of Engine:

Section 1 Ignition System
– Ignition coil
– Diagnosis of Common Troubles
– Parameters for Maintenance

Section 2 Starting and Charging System
– Principle Diagram of Starting and Charging System
– Battery
– Starting System
– Charging System

Chapter III Electronic Control System of Engine:

Section I Precautions
– Precautions of Supplemental Restraint System (SRS)
– General Precautions
– Precautions in Maintenance
– Common tools for diagnose
– Precautions for On-board diagnose (OBD) system of engine

Section II Structural Principle and Inspection of Engine Control System
– System Description
– Multiple-point Fuel Injection System
– On-board Diagnosis System
– Engine Trouble Diagnosis

Section III Structural Principle and Inspection of Engine Electronic Components
– Intake Manifold Absolute Pressure (MAP) Sensor
– Coolant Temperature (ECT) Sensor
– Electronic throttle
– Hall sensor
– Oxygen sensor
– Fuel Injector (INJ)
– Air-conditioning switch and relay
– Canister solenoid valve
– Electric Fuel Pump
– Electronic Control Module (ECM) of Engine

Section IV Trouble Diagnosis Procedures for Engine Control System
– Diagnosis with DTC
– Diagnosis by Trouble Phenomena