Automotive Technology
7th Edition
ISBN: 9781337794213
Author: ERJAVEC, Jack.
Publisher: Cengage,
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Textbook Question
Chapter 23, Problem 2MC
Rear defrosters generally have a relay with a timer. This allows.
- the defogger to shut down after a predetermined length of time
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Chapter 23 Solutions
Automotive Technology
Ch. 23 - Prob. 1SACh. 23 - Describe telematics.Ch. 23 - What could be the problem when the vehicles dome...Ch. 23 - What should be checked if none of the grids in a...Ch. 23 - What component in a wiper system makes it possible...Ch. 23 - Name the two most common problems that occur with...Ch. 23 - True or False? Rain-sensitive wiper systems...Ch. 23 - Prob. 2TFCh. 23 - Prob. 1MCCh. 23 - Rear defrosters generally have a relay with a...
Ch. 23 - Prob. 3MCCh. 23 - The front passenger power window motor goes down...Ch. 23 - Which of the following parts or circuits could...Ch. 23 - When diagnosing a vacuum/mechanical cruise control...Ch. 23 - Prob. 7MCCh. 23 - Prob. 1ASRQCh. 23 - Prob. 2ASRQCh. 23 - Prob. 3ASRQCh. 23 - The reasons for slower than normal wiper operation...Ch. 23 - Prob. 5ASRQCh. 23 - Technician A says that some antitheft systems...Ch. 23 - The circuit breaker at a power seat motor...Ch. 23 - Prob. 8ASRQCh. 23 - 9. Technician A says that navigational systems...Ch. 23 - While diagnosing a cruise control system that does...
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- While diagnosing an electronic control system: Technician A turns the ignition off before disconnecting a connector or component. Technician B uses a jumper wire to bypass a potentially faulty sensor and then observes the scan tool. Who is correct? Technician A Technician B Both A and B Neither A nor Barrow_forwardTrue or False? All turn signal flasher units contain a temperature-sensitive bimetallic strip and a heating element.arrow_forwardWhich of the following is false? The air bag igniter assembly is a spark plug-type device with two pins that current must jump across. The air bag igniter assembly creates a spark that ignites a canister of gas generating zerconic potassium perchlorate. The air bag igniter assembly is housed in the module assembly. None of the above.arrow_forward
- Which of the following statements about the SRS warning lamp is not true? When the ignition is first turned on, the indicator should turn on and remain on for approximately 6 seconds. If the system seems to be able to work correctly, the lamp will stay lit as the engine runs. If the lamp flashes or turns off and then turns on again, low source voltage may be indicated. A system problem is indicated when the lamp does not turn on when the ignition is initially turned on.arrow_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? A spark plug with two ground electrodes will provide two separate sparks when fired.arrow_forward
- While checking for conditions that might cause coolant electrolysis: Technician A places the positive lead of a voltmeter into the coolant and connects the negative lead to a ground. Technician B checks for the presence of voltage in the coolant with the ignition off. Who is correct? Technician A Technician B Both A and B Neither A nor Barrow_forwardWhich of the following is not a true statement about thermostats? Faulty thermostats are often the cause of air pockets in the coolant passages. They can also cause an increase in fuel consumption and poor engine performance. If the thermostat is stuck open, the coolant may not reach the desired temperature because it is cooled before it gets hot If a thermostat is stuck closed, coolant will not flow between the engine and radiator and the engine will quickly overheatarrow_forwardTrue or False: When troubleshooting a small system, the first step is to attach the high- and low-pressure gauges.arrow_forward
- What causes an overload protection device to function?arrow_forwardThe A/C compressor cycles rapidly, and air coming from the vents is only slightly cool. Technician A says the problem could be a low refrigerant charge. Technician B says the problem could be a defective thermostatic switch. Who is right? Group of answer choices Technician A Technician B Both A and B Neither A nor B PreviousNextarrow_forwardIf the main wire (coil) to the distributor and the coil to the switch are broken, replace them and make sure the connections are clean and tight relevant to Ventilation system Breaking system Ignition system Combustion system Skip Which of the following is the fouled of spark plug Soot All of the above Oil Over heated Skiparrow_forward
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