Font size
WorksheetsAuto Technology Horn's, Defogger's etc.
Total questions: 35
Worksheet time: 18mins
What musical notes are horns generally?
C or D
E or F
A or C
B flat or B
Should you replace the car horn with a different note?
Yes
No
Large cars have a two note sound.
true
false
Small cars have a 2 note sound.
true
false
Driver operates the Car Horn through a relay on the steering wheel.
true
false
Older vehicles had the Car Horn Relay inside the Air Bags.
true
false
Newer vehicles have the Car Horn________.
In the Air Bag
On top of the Air Bag
Under the Air Bag
Next to the Air Bag
The Car Horn is not part of the steering column.
true
false
A large electrical current operates the car horn relay.
true
false
The Car Horn is part of the NYS vehicle inspection.
true
false
Novelty Car Horns work on the same electrical relay.
true
false
Rear Defogger is setup is in a parallel circuit.
true
false
Breaks in the grids will not make the rear window defogger inoperative.
true
false
In the electrical schematic the rear window defogger will be listed as "hot when running" or "key in the run position".
true
false
The sound in a horn is produced by a rubber mallet striking a gong.
true
false
The horn is a sound making safety device.
true
false
Identify the functions below that may be performed by the clock spring. (may be more than one correct answer)
Carries electrical signals for driver airbag circuit
May be used for sound system and cruise control
May be a rotating device with flexible ribbon cable
Spring may turn two to three times in each direction from center point
Spring may be adjusted
A circuit is made of the battery power supply, a fuse or circuit breaker, a relay, the horn switch, and the clock spring.
true
false
Which of the following is true about testing the horn system.
Circuit can only fail in one way
The components or wiring will NOT be the cause by going bad
You don't use a DVOM to measure voltages
Switch is mounted within steering column by clock spring
You don't need to center the spring
You should test for power first
true
false
Power windows use permanent magnet motors that are not reversible.
true
false
In power windows the armature reverses the motors.
true
false
New window control systems improve safety and usability.
true
false
Identify the new window functions below. (may be more than one correct answer)
One-touch up and down
Single full push up and down
Reverse if senses resistance
Works with mind control
Parts of a power window include battery supply, fuses/circuit breakers, switches, relays , and DC motor.
true
false
Wiper/washer system is an important safety system
true
false
Mark the safety measures a wiper/washer system does below. (may be more than one correct answer.)
Ensures clear line of sight through windshield
Has a number of speeds
Washers provide cleaning spray
Some vehicles have wiper and washer for rear window and headlights.
Wipers never need to be changed.
Wiper motor has high, low, and intermittent speeds controlled by a timer circuit.
true
false
Which of the following is contained in a wiper circuit. (may be more than one correct answer)
the battery
a fuse or circuit breaker
the ignition switch
the wiper switch
an intermittent time and/or body computer
What components below are part of the washer system?
Washer bottle to hold the washer fluid
DC electric pump
Nozzles to spray the glass
A hamster who is shocked into running the treadmill that powers the sprayer.
The washer cannot be tested with the DVOM
true
false
The wiper system can fail in which of the ways below. ( more than one answer may be correct)
Bad fuse or motor
faulty switch or brush motor
faulty delay module
Fault park contacts in motor or bad wiper switch
A bad ou812 cable
