Deck 56: Lighting and Signaling Circuits

Question 1

The headlights are properly aimed when they point straight ahead on high beam.

Answer 1

True

Question 2

LEDs are not bright enough to use in headlights.

Answer 2

False

Question 3

The adaptive front lighting system (AFS) will ________ if there is a fault in one of the front headlights.

A)Be disabled
B)Work on only one side
C)Flash the high beam warning light
D)Turn off the headlights

Answer 3

Be disabled

Question 4

An easy check of the adaptive front light system (AFS) is to ________.

A)Open and close the driver's door
B)Check that the system performs a self-test during start-up
C)Cycle the brake switch
D)None of these

Question 5

Using the bulb table below, which bulb is brightest?

A)168
B)1156
C)194
D)67

Question 6

The HID lighting system consists of all of these components, EXCEPT ________.

A)Ballast
B)Discharge arc source
C)Igniter
D)Filament

Question 7

Single contact (1156) and double contact (1157) bulbs both use ________.

A)A wedge shape for plugging into the connector
B)Two positioning lugs
C)One positioning lug
D)None of these

Question 8

Why should a technician never touch the glass ampoule of any halogen bulb?

A)The glass will melt from the heat of your finger
B)Oils from a finger can cause a shorter service life
C)The glass will crack
D)You can get a significant burn

Question 9

What type of headlight assembly is shown in the below illustration?

A)Concealed Headlight assembly
B)Retractable
C)Composite
D)Sealed Beam

Question 10

Which of the following is NOT part of the hazard warning lamp circuit?

A)Instrument panel
B)Turn signal lamps
C)Head lamps
D)Flasher unit

Question 11

Technician A says that automotive bulbs are identified by trade numbers. Technician B says that the trade number is the different for each manufacturer for the exact same bulb specification. Who is right?

A)Technician A only
B)Technician B only
C)Both technicians A and B
D)Neither technician A nor B

Question 12

Technician A says that daytime running lights (DRLs) light the headlights, usually at reduced intensity, whenever the engine is running. Technician B says high-intensity discharge (HID) headlights are brighter and have a yellow tint. Who is right?

A)Technician A only
B)Technician B only
C)Both technicians A and B
D)Neither technician A nor B

Question 13

A technician replaced one HID (High Intensity Discharge) headlight due to road debris damage. Which is the MOST likely result?

A)The new headlight is brighter
B)New headlight is dimmer
C)The headlight color will be different
D)Both B and C

Question 14

Technician A says that high-intensity discharge (HID) headlights are brighter and have a blue tint. Technician B says that one defective turn signal bulb can cause the turn signal on the affected side to stop blinking (flashing). Who is right?

A)Technician A only
B)Technician B only
C)Both technicians A and B
D)Neither technician A nor B

Question 15

The amount of light produced by a lamp is measured in ________.

A)Watts
B)Candlepower
C)Lightpower
D)Volts