Quiz 22: Electrical System Operation and Service

A relay carries current to the parts of a circuit.

A flux, or magnetic field, is present around permanent magnets and current-carrying wires.

A frame ground circuit has both series and parallel branches in it.

A dead short to ground is usually a bare conductor touching directly against the vehicle frame.

A cross circuit short occurs when two hot wires come in contact.

The battery stores electrical energy as chemical energy.

Whenever a technician has an electrical system problem that directly concerns the computer, a testlight is handy.

An analog multimeter has a pointer needle that moves across the face of a scale when making electrical measurements.

A solenoid is a remote control switch.

Fuses burn in half with excess current to protect a circuit from further damage.

Some advanced driver assist systems (ADS) will attempt to evade dangerous conditions without driver intervention.

After replacement, range detection sensors must be calibrated to ensure proper accuracy.

Modern collision avoidance systems are called automatic electronic braking (AEB).

Blind spots are areas in front of and behind the vehicle that cannot be seen by the driver.

____ is the movement of electricity (electrons) through a wire or circuit. A) Resistance B) Current C) Relay D) Voltage

____ is the pressure that pushes the electricity through the wire or circuit. A) Resistance B) Current C) Relay D) Voltage

____ involves the study of how electrical fields act on ferrous (iron-containing) objects. A) Magnetism B) Solenoid C) Resistance D) Intermittent short

A(n) ____ has only one conductor path, or leg, for current through the circuit. A) parallel circuit B) actuator C) series circuit D) fuse box

A(n) ____ is disconnected and does not have a complete electrical path. A) open circuit B) battery C) short circuit D) circuit breaker

A(n) ____ has an unwanted path for electrical current. A) open circuit B) circuit breaker C) battery D) short circuit

With a(n) ____, the shorted wire only touches ground and shorts momentarily when the vehicle bounces heavily or is jarred. A) intermittent short B) cross circuit short C) open circuit D) high-resistance short to ground

Which of the following statements is LEAST-Likely true? A) Charging the battery while connected can damage a vehicle's electrical components. B) Overcharging the battery will destroy the active material on the plates. C) The battery gives off very flammable hydrogen gas while charging. D) If a car must be jump-started, connect the red jumper cable to the negative terminal of the dead battery.

An externally powered ____is often used to determine whether there is a complete, unbroken circuit. A) relay B) testlight C) multimeter D) jumper wire

A ____ is a voltmeter, ohmmeter, and ammeter combined into one case. A) relay B) switch C) multimeter D) solenoid

The term MOST-Likely used to describe an electromagnet with a movable core or plunger is: A) a relay B) a solenoid C) an actuator D) a sensor

A ____ holds the various circuit fuses, breakers, and sometimes the flasher units for the turn and emergency lights. A) wiring harness B) solenoid C) fuse box D) charging system

Which of the following statements is LEAST-Likely true? A) A blown fuse will have finite resistance. B) All fuse types can be checked with a circuit tester or multimeter. C) Fuse ratings are the current at which the fuse will blow. D) Fuse links, or fusible links, are smaller diameter wires spliced into the larger circuit wiring for overcurrent protection.

____ heat up and open with excess current to protect the circuit. A) Actuators B) Fuse links C) Fuse links D) Circuit breakers

All of the following are components of a circuit breaker EXCEPT: A) low-expansion metal B) contacts C) a bimetal arm D) a ball joint

A ____ has a large electric motor that turns the engine flywheel. A) circuit breaker B) starting system C) fuse box D) multimeter

All of the following are components of a horn circuit EXCEPT: A) a fuse B) horns C) a chip guard D) a brush ring

The device MOST-Likely to convert a condition (temperature, pressure, part movement, and so on) into an electrical signal is: A) a sensor B) an actuator C) a jumper cable D) a fuse link

While having a discussion, Technician A says that a high input failure results when the signal reaching the on-board computer has more voltage, more current, or a higher frequency than normal.Technician B says that this is often caused by failure of a sensor or a mechanical fault.Who is correct? A) A only B) B only C) Both A and B D) Neither A nor B

While having a discussion, Technician A says that a PROM is a programmable read-only memory chip mounted in the computer.Technician B says that the PROM never needs to be installed from an old computer to a new one during replacement.Who is correct? A) A only B) B only C) Both A and B D) Neither A nor B

Technician A say that Advance Driver Assistance systems assist the driver in performing vehicle operations.Technician B says Advanced Driver Assistance systems alert the driver to potentially dangerous conditions.Who is right? A) A only B) B only C) Both A and B D) Neither A nor B

Technician A say that adaptive cruise control uses radar (radio detection and ranging) as range detection sensors.Technician B says Lidar uses radio waves that allows the system to construct a 3D image.Who is right? A) A only B) B only C) Both A and B D) Neither A nor B

According to Honda's service information, the side-view mirror camera must be recalibrated anytime when one of the following procedures is performed EXCEPT: A) LaneWatch camera removal or replacement B) Passenger's side power mirror removal or replacement C) Wheel alignment is performed D) Passenger's side door position adjustment

___________ uses the electric power steering motor or brake system to steer the vehicle back into the proper lane. A) Collision avoidance B) Automatic emergency braking C) Lane departure warning D) Lane departure prevention

The ADAS calibration procedure is usually initiated by _______? A) the driver B) a switch C) a scan tool D) cycling the ignition

____________________ is a mathematical formula for calculating an unknown electrical value (amps, volts, or ohms) when two values are known.

_________________________ allows you to find a specific wire in a harness or connector.

_________________________ are used to temporarily bypass circuits or components for testing.

A(n) ____________________ is used to turn a circuit on or off manually (by hand).

A(n) _________________________ is designed to shut the electric fuel pump off after a collision.

How do you check the condition of a charging system?

What procedure do you use to find a battery drain?

What procedure do you use to check for spark?

What are the advantages of an analog display over a digital one?

Explain the difference between a pre-repair scan and a postrepair scan?