Automotive Technology
7th Edition
ISBN: 9781337794213
Author: ERJAVEC, Jack.
Publisher: Cengage,
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Textbook Question
Chapter 24, Problem 7ASRQ
While discussing diagnostic procedures: Technician A says that after the visual inspection has been performed, the DTCs should be cleared from the memory of the PCM. Technician B says that serial data can be helpful when there are no DTCs but there is a fault in the system. Who is correct?
- Technician A
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if the first digit of the diagnostic trouble code is zero what does it mean ?
A customer comes in with an indirect TPMS, complaining that despite all the tires running low on pressure, the TPMS light never came on. Technician A says it’s likely due to a faulty module. Technician B says it may just be normal operation of an indirect TPMS. Who is correct?
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Neither Technician A or B
H.b- When you're first starting a PM program, and you want to check motor starter and contactor contacts,how often should you perform a PM inspection on these devices?A. Every two monthsB. Every six monthsC. Every yearD. Every month
c.b. Which one of the following isn’t a goal of a PM program?A. Limit downtimeB. Save a company money on maintenance so that the cost of its products stays competitiveC. Keep a machine running within its specificationsD. Use fewer repair parts and less time to install those parts
c.c. Which of the following tasks is an uptime PM task that can be performed while the machine is runningduring production?A. Checking the motor starter contacts for burned and pitted areasB. Checking for excess noise or vibration on the machineC. Checking the condition of the couplingD. Tightening electrical connections
Chapter 24 Solutions
Automotive Technology
Ch. 24 - Describe the difference between an open- and a...Ch. 24 - Explain the use and importance of system strategy...Ch. 24 - Describe an OBD II warm-up cycle.Ch. 24 - Explain the trip and drive cycle in an OBD II...Ch. 24 - Describe how engine misfire is detected in an OBD...Ch. 24 - Describe the purpose of having both upstream and...Ch. 24 - Briefly describe the monitors in an OBD II system.Ch. 24 - Type B engine misfires are excessive if the...Ch. 24 - The monitor system checks the action of the can...Ch. 24 - The monitor system has a(n) and test to check the...
Ch. 24 - The fuel monitor checks fuel trim and fuel trim.Ch. 24 - Which sensor is used for misfire monitoring on OBD...Ch. 24 - Which of the following statements is not true?...Ch. 24 - A computer is capable of doing all of the...Ch. 24 - Which of the following memory circuits is used to...Ch. 24 - Technician A says that the oxygen sensor provides...Ch. 24 - While discussing OBD II systems: Technician A says...Ch. 24 - While discussing the catalyst efficiency monitor:...Ch. 24 - While discussing monitoring systems: Technician A...Ch. 24 - While discussing the comprehensive monitoring...Ch. 24 - Prob. 6ASRQCh. 24 - While discussing diagnostic procedures: Technician...Ch. 24 - Technician A says that the enable criteria are the...Ch. 24 - While discussing PCM monitor tests: Technician A...Ch. 24 - While discussing the misfire monitor: Technician A...
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