Automotive Technology (Custom)
6th Edition
ISBN: 9781337495356
Author: ERJAVEC
Publisher: Cengage
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Textbook Question
Chapter 25, Problem 9RQ
Many control systems have operating modes that can be accessed with a scan tool to control the operation of an output. What are the names of the two most common modes for controlling outputs?
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The control system employs microcontroller to control the variables then it is called as direct digital control system.
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False
Flash type ADC gives highest conversion rate.
Select one:
O True
O False
The close loop control system is also known as
control system.
13) Write a program to implement the process illustrated in the figure below. The sequence
of operation is to be as follows:
• Normally open start and normally closed stop pushbuttons are used to start and stop the
process.
• When the start button is pressed, solenoid A energizes to start filling the tank.
• As the tank fills, the empty level sensor switch closes.
• When the tank is full, the full level sensor switch closes.
• Solenoid A is de-energized.
• The agitate motor starts automatically and runs for 3 min to mix the liquid.
15
• When the agitate motor stops, solenoid B is energized to empty the tank.
• When the tank is completely empty, the empty sensor switch opens to de-energize
solenoid B
• The start button is pressed to repeat the sequence.
SOL A
Motor
Full
sensor
switch
Empty
sensor
switch
+SOL B
Start/stop
control station
Chapter 25 Solutions
Automotive Technology (Custom)
Ch. 25 - OBD II systems use several modes of operation....Ch. 25 - List the four ways that individual components can...Ch. 25 - True or False? A bad ground can cause an increase...Ch. 25 - True or False? An A/F ratio sensor can be tested...Ch. 25 - A typical normal oxygen sensor signal will toggle...Ch. 25 - Prob. 6RQCh. 25 - When an engine is running lean, the voltage signal...Ch. 25 - List six steps involved in performing a visual...Ch. 25 - Many control systems have operating modes that can...Ch. 25 - Which of the following statements about zirconium...
Ch. 25 - Describe the typical procedure for adjusting a TP...Ch. 25 - Why does the rotor for a CKP have one or more...Ch. 25 - A system may fail the catalyst monitor test for...Ch. 25 - A defective LAT sensor or circuit may cause the...Ch. 25 - Which of the following is the least likely cause...Ch. 25 - Technician A says that an oxygen sensor can be a...Ch. 25 - Prob. 2ASRQCh. 25 - While discussing ECT sensor diagnosis: Technician...Ch. 25 - While discussing Hall-effect vehicle speed sensor...Ch. 25 - While discussing TP sensor diagnosis: Technician A...Ch. 25 - While diagnosing the cause of a hard starting...Ch. 25 - While discussing testing OBD II system components:...Ch. 25 - When testing a frequency varying MAF: Technician A...Ch. 25 - Technician A says that a faulty MAF sensor can...Ch. 25 - While discussing the MIL on OBD 11 systems:...
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