Question 1

The light-sensitive photocell sensor/amplifier of an automatic light system is located ______.

Accepted Answer

A)  in the center of the grill
B)  within the upper instrument panel pad
C)  near the base of a wiper arm
D)  within a composite headlamp assembly B

Question 2

Technician A says blinking headlights can be caused by the self-resetting circuit breaker installed between battery and the headlight switch, that is kicking out due to a short. Technician B says flickering vehicle lights can be caused by a loose electrical connection. Who is correct?

Accepted Answer

A)  A only
B)  B only
C)  both A and B
D)  neither A nor B C

Question 3

Which of the following is NOT a basic type of headlight used in today's vehicles?

Accepted Answer

A)  sealed beam
B)  acetylene
C)  composite
D)  high-intensity discharge B

Question 4

The multifunction switch is normally mounted on the ______.

Accepted Answer

A)  instrument panel
B)  brake pedal arm
C)  steering column
D)  shift lever assembly

Question 5

A lamp generates light as current flows through the filament.

Accepted Answer

A) True 
 B)False

Question 6

Flash-to-pass systems blink the high beams on and off when the turn signal lever is moved to change lanes to pass another vehicle.

Accepted Answer

A) True 
 B)False

Question 7

The rear light assembly typically includes the ______.

Accepted Answer

A)  rear turn signals
B)  taillights
C)  brake lamps
D)  All the answers are correct.

Question 8

The dimmer switch allows the driver to change the intensity of the instrument panel lamps.

Accepted Answer

A) True 
 B)False

Question 9

Technician A says some condensation on the inside of a sealed beam headlamp is normal. Technician B says the buildup of black spots on the lens of a sealed beam headlamp decreases the brightness of the headlamp. Who is correct?

Accepted Answer

A)  A only
B)  B only
C)  both A and B
D)  neither A nor B

Question 10

Which statement concerning HID headlights is NOT true?

Accepted Answer

A)  The light beam made by HID headlights is brighter and more consistent than halogen-type headlights
B)  HID headlights are smaller and lighter than halogen headlights
C)  HID headlights run hotter than halogen headlights
D)  HID headlights use less electrical power than halogen headlights

Question 11

Technician A says the condition of the vehicle's springs and shocks should be checked before aligning the headlamps. Technician B says the vehicle should have a full tank of fuel when its headlamps are being adjusted. Who is correct?

Accepted Answer

A)  A only
B)  B only
C)  both A and B
D)  neither A nor B

Question 12

List at least five of the advantages of LED-type lights.

Accepted Answer

The answer of List at least five of the advantages...

Question 13

Which of the following statements regarding high-intensity discharge headlamps is false?

Accepted Answer

A)  More than 15,000 volts are needed to jump the gap between the electrodes
B)  They come on instantly
C)  Once lit, 80 volts are required to keep current flowing
D)  They produce about twice as much light as halogen bulbs

Question 14

Circuits that can operate the high beams even if the headlight switch is off are called ____ circuits.

Accepted Answer

A)  flash-to-pass
B)  mercury
C)  dimmer
D)  retractable

Question 15

Identify the four basic types of headlights.

Accepted Answer

The answer of Identify the four basic types of headlights....

Question 16

The owner of a vehicle with automatic headlights complains that the headlights are always on whenever the vehicle is driven; even in broad daylight. What is the first thing you should check?

Accepted Answer

A)  headlight fuse
B)  headlight switch connections
C)  check for DTCs with scan tool
D)  articles placed on top of the dash

Question 17

Technician A uses the vehicle's built-in bubble level to adjust headlight vertical aim. Technician B uses a screen at ten feet from the vehicle to aim headlights. Who is correct?

Accepted Answer

A)  A only
B)  B only
C)  both A and B
D)  neither A nor B

Question 18

Which of the following are NOT usually controlled by the main light switch assembly?

Accepted Answer

A)  headlights
B)  parking lights
C)  taillights
D)  backup lights

Question 19

Some manufacturers recommend coating the prongs and base of the headlights with ____________________ grease to prevent corrosion.

Accepted Answer

The answer of Some manufacturers recommend coating the prongs and...

Question 20

Most modern vehicles have a warning system if the driver's door is opened when the headlights or parking lights are on.

Accepted Answer

A) True 
 B)False

Exam 20: Lighting Systems

The light-sensitive photocell sensor/amplifier of an automatic light system is located ______.

Technician A says blinking headlights can be caused by the self-resetting circuit breaker installed between battery and the headlight switch, that is kicking out due to a short. Technician B says flickering vehicle lights can be caused by a loose electrical connection. Who is correct?

Which of the following is NOT a basic type of headlight used in today's vehicles?

The multifunction switch is normally mounted on the ______.

A lamp generates light as current flows through the filament.

Flash-to-pass systems blink the high beams on and off when the turn signal lever is moved to change lanes to pass another vehicle.

The rear light assembly typically includes the ______.

The dimmer switch allows the driver to change the intensity of the instrument panel lamps.

Technician A says some condensation on the inside of a sealed beam headlamp is normal. Technician B says the buildup of black spots on the lens of a sealed beam headlamp decreases the brightness of the headlamp. Who is correct?

Which statement concerning HID headlights is NOT true?

Technician A says the condition of the vehicle's springs and shocks should be checked before aligning the headlamps. Technician B says the vehicle should have a full tank of fuel when its headlamps are being adjusted. Who is correct?

List at least five of the advantages of LED-type lights.

Which of the following statements regarding high-intensity discharge headlamps is false?

Circuits that can operate the high beams even if the headlight switch is off are called ____ circuits.

Identify the four basic types of headlights.

The owner of a vehicle with automatic headlights complains that the headlights are always on whenever the vehicle is driven; even in broad daylight. What is the first thing you should check?

Technician A uses the vehicle's built-in bubble level to adjust headlight vertical aim. Technician B uses a screen at ten feet from the vehicle to aim headlights. Who is correct?

Which of the following are NOT usually controlled by the main light switch assembly?

Some manufacturers recommend coating the prongs and base of the headlights with ____________________ grease to prevent corrosion.

Most modern vehicles have a warning system if the driver's door is opened when the headlights or parking lights are on.