Page 378 - Understanding Automotive Electronics
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2735 | CH 10 Page 365 Tuesday, March 10, 1998 1:27 PM
DIAGNOSTICS 10
Quiz for Chapter 10
1. In a microprocessor-based digital 5. Diagnosis of intermittent
electronic engine control system, failures
diagnosis a. is routinely accomplished
a. is not really required with the on-board diagnostic
b. can be accomplished with a capability of the engine
voltmeter control system
c. can be accomplished with a b. is readily found using
multimeter standard service bay
d. is best accomplished with a equipment
computer-based system c. is accomplished by displaying
fault codes to the driver at the
2. A timing light is useful for
a. locating timing marks in time of the failure
the dark d. none of the above
b. adjusting ignition timing 6. A fault code is
c. checking dwell a. a numerical indication of
d. reading the clock on failure in certain specific
the instrument panel in engine components
the dark b. displayed to the mechanic
during diagnostic mode
3. An engine analyzer has been
used to c. registered in memory
whenever a failure in a
a. set ignition points in cars component occurs
equipped with them
d. all of the above
b. measure intake fuel flow
rate 7. Failures can be detected by
c. set the choke a computer-based control
d. none of the above system in the following
components:
4. In modern engines incorporating
2
computer-based control systems, a. O sensor
diagnosis is performed b. MAP sensor
c. brake switch on cars
a. with a timing light only
equipped with cruise
b. with a timing light and control
voltmeter
c. in the digital control d. all of the above and more
system
d. none of the above
UNDERSTANDING AUTOMOTIVE ELECTRONICS 365
