Question 1

Most intermittent wipers are controlled with a potentiometer.

Accepted Answer

A) True 
 B)False

Question 2

Technician A says the cruise control system disengages if the brake pedal is depressed. Technician B says the cruise control system is disengaged if the clutch pedal is depressed. Who is correct?

Accepted Answer

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

Question 3

Which of the following types of sensors is NOT used to trigger an alarm system?

Accepted Answer

A)  switch [door, hood, trunk] 
B)  motion sensor 
C)  infrared body heat sensor 
D)  current [electrical] 
A)  switch [door, hood, trunk] 
B)  motion sensor 
C)  infrared body heat sensor 
D)  current [electrical]

Question 4

The rain sensor in an automatic windshield wiper system is located ______.

Accepted Answer

A)  at the top/center of the windshield 
B)  in the grill 
C)  inside the drivers side rear view mirror 
D)  in the dash pad [above instrument panel] 
A)  at the top/center of the windshield 
B)  in the grill 
C)  inside the drivers side rear view mirror 
D)  in the dash pad [above instrument panel]

Question 5

Which device on a vacuum-type cruise control system is used to adjust and control the position of the throttle?

Accepted Answer

A)  servo 
B)  solenoid 
C)  brake-activated switch 
D)  transducer 
A)  servo 
B)  solenoid 
C)  brake-activated switch 
D)  transducer

Question 6

The actuators for power door locks are ______.

Accepted Answer

A)  solenoids 
B)  reversible DC electric motors 
C)  thermo-electric expansion capsules 
D)  all answers are correct 
A)  solenoids 
B)  reversible DC electric motors 
C)  thermo-electric expansion capsules 
D)  all answers are correct

Question 7

Which device on a cruise control system is used to control the amount of vacuum applied to the servo unit?

Accepted Answer

A)  solenoid coil 
B)  brake-activated switch 
C)  transducer 
D)  none of these answers is correct 
A)  solenoid coil 
B)  brake-activated switch 
C)  transducer 
D)  none of these answers is correct

Question 8

Most power seat systems are protected by a circuit breaker.

Accepted Answer

A) True 
 B)False

Question 9

The most common problem with rear window defrosters is ______.

Accepted Answer

A)  burned out relay contacts 
B)  damage to the grids on the window 
C)  time delay circuit malfunctions 
D)  BCM communications failure 
A)  burned out relay contacts 
B)  damage to the grids on the window 
C)  time delay circuit malfunctions 
D)  BCM communications failure

Question 10

Heated, or self-defrosting, front windshield systems rely on an electrical current being sent through a microthin ____________________ coating on the inside of a windshield.

Accepted Answer

The answer of Heated, or self-defrosting, front windshield systems rely...

Question 11

Identify various causes of intermittent electrical/electronic problems.

Accepted Answer

Poor mating of connector halve

Question 12

Rear defrosters generally have a relay with a timer to allow the defogger to ______.

Accepted Answer

A)  operate for only a specific amount of time 
B)  function just until the rear window is clear 
C)  be independent of the ignition switch 
D)  none of these answers is correct 
A)  operate for only a specific amount of time 
B)  function just until the rear window is clear 
C)  be independent of the ignition switch 
D)  none of these answers is correct

Question 13

The speed of a two-speed electromagnetic field type wiper motor is controlled by ______.

Accepted Answer

A)  a stepped resistor between the wiper switch and the motor power terminal 
B)  additional brushes that increase the strength of the magnetic field in the armature 
C)  series and shunt field windings that increase the strength of the magnetic field 
D)  all answers are correct 
A)  a stepped resistor between the wiper switch and the motor power terminal 
B)  additional brushes that increase the strength of the magnetic field in the armature 
C)  series and shunt field windings that increase the strength of the magnetic field 
D)  all answers are correct

Question 14

Smart keys are being discussed. Technician A says the smart key must be inserted into a slot in the instrument panel before the engine can be started. Technician B says some smart keys can unlock the doors and allow the engine to be started when the smart key is within a few feet of the vehicle. Who is correct ?

Accepted Answer

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

Question 15

Which of the following is used in an adaptive cruise control system to measure the distance between the vehicle and the vehicle directly ahead of it.

Accepted Answer

A)  radar 
B)  optical vehicle recognition 
C)  GPS positioning 
D)  ultrasonic phase imaging 
A)  radar 
B)  optical vehicle recognition 
C)  GPS positioning 
D)  ultrasonic phase imaging

Question 16

What are the principal components of a power sun roof system?

Accepted Answer

electric motor
relay

Question 17

Diagnosis on a late model vehicle with electronic cruise control is done using a(n) ____________________

Accepted Answer

scan tool

Question 18

Identify the various components of typical audio and video systems.

Accepted Answer

Complex sound systems may incl

Question 19

Intermittent wiper delay interval on late models vehicles is controlled by the BCM.

Accepted Answer

A) True 
 B)False

Question 20

What safety precautions should be observed when diagnosing a horn circuit problem?

Accepted Answer

Follow the safety pr

Exam 23: Electrical Accessories

Most intermittent wipers are controlled with a potentiometer.

Technician A says the cruise control system disengages if the brake pedal is depressed. Technician B says the cruise control system is disengaged if the clutch pedal is depressed. Who is correct?

Which of the following types of sensors is NOT used to trigger an alarm system?

The rain sensor in an automatic windshield wiper system is located ______.

Which device on a vacuum-type cruise control system is used to adjust and control the position of the throttle?

The actuators for power door locks are ______.

Which device on a cruise control system is used to control the amount of vacuum applied to the servo unit?

Most power seat systems are protected by a circuit breaker.

The most common problem with rear window defrosters is ______.

Heated, or self-defrosting, front windshield systems rely on an electrical current being sent through a microthin ____________________ coating on the inside of a windshield.

Identify various causes of intermittent electrical/electronic problems.

Rear defrosters generally have a relay with a timer to allow the defogger to ______.

The speed of a two-speed electromagnetic field type wiper motor is controlled by ______.

Which of the following is used in an adaptive cruise control system to measure the distance between the vehicle and the vehicle directly ahead of it.

What are the principal components of a power sun roof system?

Diagnosis on a late model vehicle with electronic cruise control is done using a(n) ____________________

Identify the various components of typical audio and video systems.

Intermittent wiper delay interval on late models vehicles is controlled by the BCM.

What safety precautions should be observed when diagnosing a horn circuit problem?

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