Automotive Technology: A Systems Approach (MindTap Course List)
6th Edition
ISBN: 9781133612315
Author: Jack Erjavec, Rob Thompson
Publisher: Cengage Learning
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Textbook Question
Chapter 22, Problem 2ASRQ
While checking an A/C compressor clutch coil spikesuppressing diode with an ohmmeter, the meter shows infinite resistance when the diode is measured in both directions: Technician A says that the diode is open. Technician B says that all diodes should behave this way until a specified voltage is applied to them. Who is correct?
- Technician A
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Chapter 22 Solutions
Automotive Technology: A Systems Approach (MindTap Course List)
Ch. 22 - Explain the three types of memory used in the...Ch. 22 - Signals resemble a square pattern.Ch. 22 - Signals can have varying voltage levels.Ch. 22 - Means that data concerning the effects of the...Ch. 22 - The type of memory' that contains specific...Ch. 22 - A is the simplest type of semiconductor.Ch. 22 - Prob. 7RQCh. 22 - Prob. 8RQCh. 22 - How should vou test a diode with a multimeter?Ch. 22 - What is the major difference between ROM and RAM...
Ch. 22 - Which of the following is not a type of...Ch. 22 - True or False? In a high-speed CAN system, a...Ch. 22 - Which of the following is not made of...Ch. 22 - Which of the following is a basic function of a...Ch. 22 - What is the name of the module that allows the...Ch. 22 - Prob. 1ASRQCh. 22 - While checking an A/C compressor clutch coil...Ch. 22 - Technician A says that some types of voltage...Ch. 22 - Technician A says that multiplexing is a way to...Ch. 22 - Technician A says that when a diode is placed in a...Ch. 22 - Prob. 6ASRQCh. 22 - While discussing multiplex system protocols:...Ch. 22 - Prob. 8ASRQCh. 22 - While diagnosing an electronic control system:...Ch. 22 - Technician A says that based on current...
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- While measuring the resistance of a wire with an ohmmeter: Technician A says that if low resistance is shown on the meter, the wire is shorted. Technician B says that if no resistance is measured, the wire is shorted. Who is correct? Technician A Technician B Both A and B d. Neither A nor Barrow_forwardWhile measuring resistance: Technician A uses an ohmmeter to measure resistance of a component before disconnecting it from the circuit. Technician B uses a voltmeter to measure voltage drop. A circuit with very low resistance will drop zero or very little voltage. Who is correct? Technician A Technician B Both A and B Neither A nor Barrow_forwardTrue or False? A zero reading on an ohmmeter means the circuit or component is open.arrow_forward
- Technician A says that when a diode is placed in a circuit with the positive side of the circuit connected to the positive side of the diode and the negative side of the circuit connected to the negative side if the diode, the diode is said to have reverse bias. Technician B says that the diodes P material is repelled by the positive charge of the circuit and is pushed toward the N material and that the N material is pushed toward the P. Who is correct? Technician A Both A and B Technician B Neither A nor Barrow_forwardWhile testing variable resistors: Technician A says that while checking a rheostat with a voltmeter, the voltage should change smoothly with a change in the control. Technician B says that a potentiometer can be checked with a scope. Who is correct? Technician A Technician B Both A and B Neither A nor Barrow_forwardTrue or False? The MIN/MAX function on some DMMs can be used to check for electrical noise.arrow_forward
- True or False? The same information available in service manuals and bulletins may also be available electronically on DVDs and the Internet.arrow_forwardWhile discussing the results of a load test: Technician A says that if a battery fails a load test but the voltage rises above 12.4 volts when the load is removed, the battery should be replaced. Technician B says that if a battery fails a load test but the voltage rises above 12.4 volts when the load is removed, the battery is able to hold a charge. Who is correct? Technician A Technician B Both A and B Neither A nor Barrow_forwardTechnician A uses a testlight to detect resistance. Technician B uses a jumper wire to test circuit breakers, relays, and lights. Who is correct? Technician A Technician B Both A and B Neither A nor Barrow_forward
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