South Valley University Automotive Electronics

Faculty of Engineering Year 2013/2014

Department of Mechatronics Engineering Sheet 1

1 | P a g e

Answer ALL Questions. Question One:

a. State the benefits of using electronics application in automotive?

b. Automotive electronics in the automotive field can be classified into several

groups: List five systems that can be controlled by electronics.

c. Draw a block diagram of an engine management system showing all the main

inputs and outputs.

d. Explain what is meant by ECM, TCM, PCM and VCM?

e. Mention the main process of ECM, and describe its operation?

f. Describe what is meant by Engine management.

g. What are the brake assist systems?

h. Identify the major component of the ABS?

i. Explain with sketch the operation of ignition coil of direct ignition?

j. What is the difference between:

i. Sensors and actuators.

ii. Centrifugal advance mechanism and a vacuum advance mechanism.

iii. Static friction and dynamic friction of brake system.

iv. Diagonally split and front/rear split systems.

v. Cam shaft position sensor and crank shaft position sensor.

Question Two:

a. Select five engine sensors and explain what are the function, location and

theory of operation?

b. What are different types of actuators, explain the operation of one of them?

c. There are different types of memory that is used in ECM, Explain?

d. Describe the term digital signal and provide an example

e. List three types of voltage generating sensors and provide an example of each

f. List three types of actuators and provide an example of each

g. Describe the operation of oxygen sensor

h. Outline the construction and common uses of a magnetic inductance sensor

i. Describe the basic operation of stepper motor and how they are used

j. Describe the purpose of on-board diagnostics (OBD).

k. State the information provided by a throttle potentiometer.

l. Explain the operation of a gasoline direct injection (GDI) system.

m. Explain the operation of fuel injector?

n. Why the spark plugs must be replaced regularly.

With my best wishes Dr. Nouby M. Ghazaly