Engine Input Sensors :
Coolant & Intake Temperature, Crankshaft Position, Camshaft Position, Manifold Absolute Pressure, Throttle Position, Oxygen, Air/Fuel Ratio, Knock Speed & Distance, Battery & Switches
Output Devices:
Relays, Injector Sequencing & Management, Ignition Operation, Idle Air Control, EGR, EVAP, Wastegate Solenoids, Torque Converter & Speed Control, Malfunction Indicator Light
Speed Density/Mass Air Flow Fuel Management Strategies:
Key ON Mode, Crank Mode, Open & Closed Loop, Wide-Open Throttle, Adaptive Memory Cells, Cruise &Deceleration, Wide-Open Throttle, Key OFF Mode
Fuel Injection Systems:
Electronic Fuel Systems, Computer SelfDiagnostic Circuits, Electronic Throttle Actuator Control Systems, Fuel Control, Fuel Supply System Control, Injection System Inspection and Maintenance.
Engine Diagnostic Procedures:
Fuel System testing, On Board Diagnostics, Monitored & Non Monitored Circuits, Diagnostic Trouble Codes
Digital Engine Control System:
Open loop and close loop control system, engine cooling and warm up control, idle speed control, acceleration and full load enrichment, deceleration fuel cut-off. Fuel control maps, open loop control of fuel injection and closed loop lambda control exhaust emission control, on-board diagnostics, diagnostics, future automotive electronic systems, Electronic dash board instruments – Onboard diagnosis system.
SI Engine Management:
Feedback carburettor system, throttle body injection and multi point fuel injection system, injection system controls, advantage of electronic ignition systems, three way catalytic converter, conversion efficiency versus lambda, Layout and working of SI engine management systems like Bosch Monojetronic Group and sequential injection techniques. Working of the fuel system components. Advantages of electronic ignition systems. Types of solid state ignition systems and their principle of operation, Contactless electronic ignition system, Electronic spark timing control.
CI Engine Management:
Fuel injection system, parameters affecting combustion, noise and emissions in CI engines. Pilot, main, advanced, post injection and retarded post injection. Electronically controlled Unit Injection system. Layout of the common rail fuel injection system. Working of components like fuel injector, fuel pump, rail pressure limiter, flow limiter, EGR valve control in electronically controlled systems
Course outcomes:
At the end of the course the student will be able to:
CO1: Identify the modern automobile accessories and engine management systems.
CO2: Understand the computerized engine testing and diagnosis procedures and shall apply the concept to develop engine control systems.
CO3 :Explain the concept of various sensors and actuators and understand their working
CO4:Explain the SI and CI engine management systems, identify the key components and diagnose their working
CO5:Understand the principles and application of electronic fuel and ignition management systems in the modern automobile
Question paper pattern:
The SEE question paper will be set for 100 marks and the marks scored will be proportionately reduced to 60.
Textbook/ Textbooks
(1) Halderman, J. & Linder, J. Automotive Fuel and Emissions Control Systems Upper Saddle River, NJ: Pearson Education 3rd Edition, 2012
(2) Halderman, J. D., Diagnosis &Troubleshooting of Automotive Electrical, Electronic, &Computer Systems, Upper Saddle River, NJ Pearson Education 6th Edition, 2011
Reference Books
(1) Robert Bosch, Diesel Engine Management, SAE Publications 3rd Edition, 2004
(2) Wiliam B. Ribbens, Understanding Automotive Electronics Newnes, Butterworth–Heinemann 5th Edition, 2001
(3) Young, Griffitns, Automobile Electrical & Electronic Equipments .,, Butterworths, London 6Th Edition (1980)