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Auto 1210
Unit 1 Chapter Questions
Chapters 1 & 2
[1] The quality of the reference you use can make a huge difference in the quality of repair you do. Listbelow the five best references and explain their ranking.
Reference 1. _________________________________________________________________________
Reference 2. _________________________________________________________________________
Reference 3. _________________________________________________________________________
Reference 4. _________________________________________________________________________
Reference 5. _________________________________________________________________________
5 pts. [2] Why do we refer to a Driveability problem as a “ Customer Concern ”?
1 pt. [3] What is the difference between a History Code and a Pending Code?
1 pt. [4] Explain the process of opposite code setting and how it aids in diagnosis.
1 pt.
[9] What is meant by an Infrared Pyrometer and what is it used for?
1 pt. [10] What is meant by a Flow Chart and where can it be found?
1 pt. [11] What is a Maturing Code and how is that different from a Hard Code?
1 pt. [12] Pin 10 in the DLC is designated for what purpose?
1 pt.
[13] What two monitors set a type “A” trouble code and when?
1 pt. [14] What is the difference between a KOEO test and a KOER test? Are they OBD-1 or OBD-II tests?
1 pt. [15] A technician is working on a 1990 Toyota. The test connector under the hood is jumped between terminals TE1 and E1 on the diagnostic check connector. The MIL continually flashes. What does theflashing MIL indicate?
1 pt. [16] The 8 step diagnostic procedure is a valid process and should be followed when possible. List below the eight steps in their logical order and explainto do at this stage of diagnosis. in your own words why this step is important
Step 1. _______________________________ This step should be done at this time because –
Step 7. _______________________________ This step should be done at this time because –
Step 8. _______________________________ This step should be done at this time because –
10 pts. [17] What is meant by the paper test and what does it tell us?
1 pt. [18] According to the text in Chapter 1 there are two wires attached to the “S” terminal. Where does the blue wire go?
1 pt.
[19] What is meant by a communications protocol and how is it designated?
2 pts. [20] Can an OBD-II “U” code be an emissions failure and would it set a DTC and turn on the MIL?
2 pts. [21] What is meant by a Global Scan tool and is it different from a Generic Scan tool?
2 pts.
