Automotive Technology (Custom)
6th Edition
ISBN: 9781337495356
Author: ERJAVEC
Publisher: Cengage
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Chapter 25, Problem 3RQ
True or False? A bad ground can cause an increase in the reference voltage to a sensor.
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Technician A says that some types of voltage sensors provide input to the computer by modifying or controlling a constant, predetermined voltage signal. Technician B says that a coolant temperature sensor is a voltage-generating sensor. Who is correct?
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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- What is the correct way to check a coolant temperature sensor?arrow_forwardAnother term used to describe sensitivity in electronic controls is A. temperature. B. gain. C. rpm. D. pressure.arrow_forwardTrue or False? The MIN/MAX function on some DMMs can be used to check for electrical noise.arrow_forward
- Select all the factors that affect the choice of sensor for level measurement? 0ptions: direct or indirect corrosiveness liquid temperature and pressure turbulence particulate in a liquid free flowing solids volatility single or continuous point measurementsarrow_forwardUse an obtained sensor data to fully/part automate a wire cutting systemarrow_forwardWhich of the following is not a type of information stored in ROM? Strategy Look-up tables Sensor input None of the abovearrow_forward
- While discussing Hall-effect vehicle speed sensor tests: Technician A says to use an ohmmeter to test the resistance of the coil. Technician B says that the voltage generated by the sensor can be measured by connecting a voltmeter across the sensors terminals. Who is correct? Technician A Technician B Both A and B Neither A nor Barrow_forwardWhen using a Vernier motion sensor to record the position of a cart on a track, the sensor itself: Select one: a. may not be properly aligned, in which case you should call the TA b. is always perfectly aligned and not adjustable c. requires you to test it's alignment before attempting to take dataarrow_forwardA tempreture measurement sensor is shown in the figure (b) explain its working in your own wordsarrow_forward
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