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 42, Problem 4ASRQ
Technician A says that a faulty TP sensor can cause delayed shifts. Technician B says that delayed shifts can be caused by an open shift solenoid. Who is correct?
a. Technician A only
b. Technician B only
c. Both A and B
d. Neither A nor B
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Chapter 42 Solutions
Automotive Technology: A Systems Approach (MindTap Course List)
Ch. 42 - Although computers receive different information...Ch. 42 - What happens if the TCM determines that the...Ch. 42 - How can air pressure be used to check an...Ch. 42 - True or False? On most late-model EAT systems,...Ch. 42 - Prob. 5RQCh. 42 - List five things that could cause incorrect shift...Ch. 42 - Most late-model transmission control systems have...Ch. 42 - What inputs are of prime importance to a computer...Ch. 42 - What are the advantages of using electronic...Ch. 42 - Voltage generation devices are typically used to...
Ch. 42 - Which of the following is not a voltage-generating...Ch. 42 - True or False? The neutral safety switch and...Ch. 42 - A glitch appears in the waveform of a vehicle...Ch. 42 - Prob. 14RQCh. 42 - Which of the following would probably not be...Ch. 42 - Technician A says that some systems use a special...Ch. 42 - Technician A says that shift solenoids direct...Ch. 42 - Technician A says that throttle position is an...Ch. 42 - Technician A says that a faulty TP sensor can...Ch. 42 - Technician A says that some shift solenoids can be...Ch. 42 - An electronically controlled transmission has...Ch. 42 - While discussing transmission adaptive learning:...Ch. 42 - While discussing valve body assemblies in...Ch. 42 - A hot-wire MAF has low resistance across it when...Ch. 42 - While diagnosing the cause of TCC shudder:...
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- Which of the following is the most likely cause of a lean condition during acceleration and cruising speeds? a. A defective oxygen sensor b. A defective PCM c. A defective ECT sensor d. A defective MAF sensorarrow_forwardA CKP sensor can be checked with all of the following except a(n). a. logic probe b. voltmeter c. ammeter d. lab scopearrow_forwardWhat is the correct procedure for checking an oxygen sensor with a DMM?arrow_forward
- True or False? An A/F ratio sensor can be tested in the same way as an oxygen sensor.arrow_forwardWhile discussing TP sensor diagnosis: Technician A says that a four-wire TP sensor contains an idle switch. Technician B says that in some applications, the TP sensor mounting bolts may be loosened and the TP sensor housing rotated to adjust the voltage signal with the throttle in the idle position. Who is correct? Technician A Technician B Both A and B Neither A nor Barrow_forwardWhile discussing throttle-by-wire systems: Technician A says that a spring on the throttle shaft provides the limp-home feature. Technician B says that most systems have redundant processors and the TP and accelerator pedal sensors send redundant input signals. Who is correct?A. Tech A B. Tech B C. Both A and B D. Neither A nor Barrow_forward
- Technician A says that EMI can affect sensor signals. Technician B says that EMI can cause intermittent driveability problems. Who is correct? Select one: a. Technician A b. Technician B c. Both A and B d. Neither A nor Barrow_forwardWhat is the difference between an active and a passive sensor used in DDC control systems?arrow_forwardA throttle position sensor has _________ . a- a 0-5 volts signal output terminal b- a 5-volt reference input terminal c- all answers are correct d- a ground terminalarrow_forward
- Describe the two basic types of passenger weightdetection sensors used in most vehiclesarrow_forwardWhich of the following is not a type of information stored in ROM? Strategy Look-up tables Sensor input None of the abovearrow_forwardWhen testing a frequency varying MAF: Technician A says that the frequency should increase with an increase in engine speed. Technician B says that when observed on a lab scope, the signal from the sensor should be a square wave. Who is correct? Technician A Technician B Both A and B Neither A nor Barrow_forward
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