Automotive Technology
7th Edition
ISBN: 9781337794213
Author: ERJAVEC, Jack.
Publisher: Cengage,
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Textbook Question
Chapter 20, Problem 2MC
Circuits that can energize the high beams even if the headlight switch is off are known as
circuits.
- flash-to-pass
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Chapter 20 Solutions
Automotive Technology
Ch. 20 - What lighting systems are controlled by the...Ch. 20 - What is a CHMSL?Ch. 20 - How many wires are normally connected to a double...Ch. 20 - What are the most probable causes for one low-beam...Ch. 20 - Why do some manufacturers protect the headlamp...Ch. 20 - What types of headlights do not have a filament?Ch. 20 - What is the primary tool used to diagnose an auto...Ch. 20 - True or False? HID lamps produce more heat and...Ch. 20 - True or False? The headlights on many adaptive...Ch. 20 - True or False? All turn signal flasher units...
Ch. 20 - Which of the following may cause the turn signal...Ch. 20 - Circuits that can energize the high beams even if...Ch. 20 - Which of the following would probably not cause...Ch. 20 - The stoplight switch is normally mounted on the...Ch. 20 - Which of the following is not a true statement...Ch. 20 - While troubleshooting a headlight problem:...Ch. 20 - Technician A says that the condition of the...Ch. 20 - Composite headlights are being discussed:...Ch. 20 - While troubleshooting a brake light problem;...Ch. 20 - Technician A says that a composite headlight...Ch. 20 - While diagnosing an HID lamp that does not turn...Ch. 20 - Technician A says that flickering vehicle lights...Ch. 20 - The turn signals operate in the left direction...Ch. 20 - The right back-up lamp is dim: Technician A says...Ch. 20 - When the headlights are switched from low beam to...
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- True or False? HID lamps produce more heat and white light than a halogen bulb.arrow_forwardTechnician A says that a sealed-beam headlight that is cracked should be replaced. Technician B says that cracking or breaking of the composite housing or lens does not prevent a halogen bulb from working. Who is correct? Technician A Technician B Both A and B Neither A nor Barrow_forwardWhen the headlights are switched from low beam to high beam, all headlights go out: Technician A says that the problem may be a bad dimmer switch. Technician B says that the ignition switch may be bad. Who is correct? Technician A Technician B Both A and B Neither A nor Barrow_forward
- While troubleshooting a headlight problem: Technician A says that when one headlamp does not work, the problem may be a burned-out bulb or lamp. Technician B says that you should check for voltage at the bulb before replacing a bulb. Who is correct? Technician A Technician B Both A and B Neither A nor Barrow_forwardWhat lighting systems are controlled by the headlight switch?arrow_forwardWhich of the following is not a true statement about LED-based lights? LEDs achieve their full output in about 200 milliseconds. LEDs require a much smaller space so they are much less intrusive in the trunk. LEDs have a long operating life. LEDs provide a more precise contrast and signal pattern, thus attracting attention much more effectively.arrow_forward
- Why do some manufacturers protect the headlamp circuit with a circuit breaker instead of a fuse?arrow_forwardWhich of the following is not a true statement about lamp-out warning lights? The lamp-out warning module measures small changes in voltage levels. An electronic switch in the module completes a ground path for the indicator lights in the event of a bulb going out. A special resistance wire is used in multibulb systems. When a bulb burns out. the module senses the increased voltage drop and turns on the indicator lamp.arrow_forwardWhat are the most probable causes for one low-beam headlamp not working?arrow_forward
- What is the advantage of a photodetector that uses a reflector to operate?arrow_forwardThe right back-up lamp is dim: Technician A says that the back-up lamp switch may have high resistance. Technician B says that the back-up lamp fuse may have corroded terminals. Who is correct? Technician A Technician B Both A and B Neither A nor Barrow_forwardWhat types of headlights do not have a filament?arrow_forward
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