Automotive Technology
7th Edition
ISBN: 9781337794213
Author: ERJAVEC, Jack.
Publisher: Cengage,
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 42, Problem 6ASRQ
An electronically controlled transmission has erratic shifting: Technician A says that a poor PCM ground will cause this problem. Technician B says that a bad AC generator-to-battery circuit will cause erratic performance of a transmission or transaxle. Who is correct?
a. Technician A only
b. Technician B only
c. Both A and B
d. Neither A nor B
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
A hot-wire MAF has low resistance across it when the wire is hot: Technician A says that this condition will cause the engine to stall as soon as you put the transmission into gear. Technician B says that this condition will cause the transmission to shift late. Who is correct?
Technician A says that some systems use a special modulated shift control solenoid. Technician B says that some systems use a special modulated converter clutch control solenoid. Who is correct?
Technician A says that shift solenoids direct fluid flow to and away from the apply devices in the transmission. Technician B says that shift solenoids are used to mechanically apply a friction brake or multiple-disc clutch assembly. Who is correct?
Technician A says that throttle position is an important input in most electronic shift control systems. Technician B says that vehicle speed is an important input for most electronic shift control systems. Who is correct?
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?
Technician A says that some shift solenoids can be activated by providing a ground for the solenoid. Technician B says that some shift solenoids can be activated by…
While discussing the various types of transmissions found on today’s vehicles: Technician A says that one type is the sliding gear transmission. Technician B says that one type is the sliding collar transmission. Who is correct?
Chapter 42 Solutions
Automotive Technology
Ch. 42 - While discussing the CVT transaxie used in Toyota...Ch. 42 - Although computers receive different information...Ch. 42 - What happens if the TCM determines that the...Ch. 42 - Prob. 4SACh. 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 - True or False? On most late-model EAT systems,...
Ch. 42 - True or False? The neutral safety switch and...Ch. 42 - Which of the following is not a voltage-generating...Ch. 42 - A glitch appears in the waveform of a vehicle...Ch. 42 - Prob. 3MCCh. 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 transmission has delayed upshifts under all...Ch. 42 - While diagnosing the cause of TCC shudder:...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- Technician A says that some systems use a special modulated shift control solenoid. Technician B says that some systems use a special modulated converter clutch control solenoid. Who is correct?arrow_forwardwhen discussing shift problems, technician A says that worn or broken engine and transaxle mounts can cause a transaxle to have shifting problems. technician b says that poor shift boot alignment can cause a transaxle to jump out of geararrow_forwardTechnician A says that if a drive belt does not have the proper tension, it may produce squealing and chirping noises. Technician B says belt tension should be checked even if the engine has an automatic belt tensioner. Who is correct? Technician A Technician B Both A and B Neither A nor Barrow_forward
- When discussing the possible causes for a shudder during acceleration, Technician A says that a worn inner CV joint could be the cause. Technician B says that insufficient differential gear backlash could be the cause of the problem. Who is correct? O a. A only O b. B only O c. Both A and B O d. Neither A nor Barrow_forward32. Technician A says hypoid gearset are only used in RWD vehicle drivetrains. Technician B says hypoid gearset multiply torque. Which technician is correct? A- Technician A B- Technician B C- Both A and B D- Neither A nor B.arrow_forwardWhen discussing shift problems, Technician A says that worn or broken engine and transaxle mounts can cause a transaxle to have shifting problems. Technician B that poor shift boot alignment can cause a transaxle to jump out of gear. says Who is correct? A. A only C. Both A and B B. B only D. Neither A nor Barrow_forward
- While discussing AWD systems: Technician A says that some systems are electronically controlled and use an electromagnetic clutch to engage and disengage the drive axles. Technician B says that some cars do not use a transfer case, but they are equipped with a third differential unit. Who is correct? a. Technician A only b. Technician B only c. Both A and B d. Neither A nor Barrow_forwardTechnician A says that limited- slip differential clutch packs are designed to slip when the vehicle turns a corner. Technician B says that a special additive is placed in the hypoid gear lubricant to promote clutch pack slippage on corners. Who is correct?arrow_forwardbriefly define the following: 1. airborne transmission 2. common vehicle transmission 3. contact transmissionarrow_forward
- Technician A says that throttle position is an important input in most electronic shift control systems. Technician B says that vehicle speed is an important input for most electronic shift control systems. Who is correct?arrow_forwardWhat determines whether a conventional transmission or a transaxle is used?arrow_forwardA digital speedometer constantly reads 0 mph : TechnicianA says that the problem may be the vehiclespeed sensor. Technician B says that the problem maybe the throttle position sensor. Who is correct?a. Technician Ab. Technician Bc. Both A and Bd. Neither A nor Barrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Automotive Technology: A Systems Approach (MindTa...Mechanical EngineeringISBN:9781133612315Author:Jack Erjavec, Rob ThompsonPublisher:Cengage Learning
Automotive Technology: A Systems Approach (MindTa...
Mechanical Engineering
ISBN:9781133612315
Author:Jack Erjavec, Rob Thompson
Publisher:Cengage Learning
Power Transmission; Author: Terry Brown Mechanical Engineering;https://www.youtube.com/watch?v=YVm4LNVp1vA;License: Standard Youtube License