Deck 24: Hybrid and Electric Vehicle Service

Question 1

In a series-parallel hybrid, the electric motor is the sole source for propulsion.

Answer 1

False

Question 2

In the early 1900s electric cars were appealing to many people for their ease of operation and lack of noise and fumes.

Answer 2

True

Question 3

​One of the most important tools that you can have for working on hybrid, electric, and alternative fuel vehicles is MOST-Likely:

A) ​a digital volt-ohm-ammeter
B) ​personal protection equipment (PPE)
C) ​good work habits
D) ​a computer with Internet access

Answer 3

D

Question 4

​A class zero lineman's glove is a popular choice for working on hybrid and electric vehicles as it will protect against 10,000 volts AC.

Question 5

​Most late model full electric drivetrains (without 12V battery) can be jump-started.

Question 6

The following are classifications of hybrid vehicles EXCEPT:

A) parallel
B) assisted parallel
C) series parallel
D) series

Question 7

​In recent years, new ____technology has removed some limitations of all-electric vehicles.

A) ​lithium battery cell
B) ​motor-generator
C) ​alternative fuel
D) ​engine and transmission

Question 8

High-voltage cables (recognized by a(n) ____ protective covering) can easily become pinched or severed in a collision.

A) silver
B) red
C) orange
D) multi-striped

Question 9

Mild Hybrids are a form of parallel hybrid with a ______________ mounted to the engine.

A) Integrated motor assist
B) Starter/Generator
C) Alternator/Generator
D) Powertrain Control Module

Question 10

​The Chevrolet Volt uses input from the ____ to identify the severity of a collision and from what direction a collision has occurred.

A) ​supplemental inflatable restraint (SIR) sensors
B) ​manual service disconnect (MSD)
C) ​digital volt-ohm-ammeter (DVOM)
D) ​diagnostic trouble codes (DTCs)

Question 11

Any concerns of the HV battery being damaged by excessive heat can be avoided by allowing the vehicle to air dry.​

Question 12

​While having a discussion, Technician A says damaged vehicles with high-voltage systems should be placed on wheel dollies in order to move them.Technician B says that insulated lineman's rubber gloves are available for protection against different levels of voltage.Who is correct?

A) ​A only
B) ​B only
C) ​Both A and B
D) ​Neither A nor B

Question 13

A fully charged battery pack can operate all vehicle electronics and the air conditioning system.

Question 14

A(n) ____ is a vehicle that uses the electric motor for the sole source of propulsion.

A) full hybrid
B) assist hybrid
C) series
D) parallel

Question 15

​The following are considered power-split-type full hybrids EXCEPT:

A) ​Toyota Camry Hybrid
B) ​Ford Escape Hybrid
C) ​Ford Fusion Hybrid
D) ​Chevrolet Volt

Question 16

​In a Prius, as long as there is enough power in the high-voltage battery pack, the engine will remain off to save fuel.

Question 17

​If the driver calls for rapid acceleration by pushing the accelerator pedal farther down, the ____ will start the internal combustion engine (ICE).

A) ​traction motor
B) ​drivetrain
C) ​starter motor
D) ​generator

Question 18

​Once published, manufacturers rarely change or update repair recommendations.

Question 19

​Hybrid vehicles damaged in a collision could become energized (electrically hot) by simply pushing them through the shop.

Question 20

​The CNG-powered Civic GX is the cleanest internal combustion engine ever tested by the U.S.Environmental Protection Agency.

Question 21

​If you accidentally drop an HV battery, especially a modern lithium-acid battery, what should you do?

Question 22

​Hybrid and electric vehicles that have electric-powered air conditioning compressors require a manufacturer-specified type of ____.

A) ​refrigerant
B) ​cable
C) ​weld
D) ​oil

Question 23

​The Honda Civic GX is a vehicle powered by ____________________ and is considered an alternative fuel vehicle.

Question 24

​The Nissan Leaf is a(n) ____________________ equipped with a 110 HP electric motor and 24 kWh lithium-ion battery pack.

Question 25

​All of the following are examples of recommendations for HV battery removal and replacement EXCEPT:

A) ​shut down the HV electrical system.
B) ​refer to factory service information
C) ​remove protective covers
D) ​use an engine crane or extension jack

Question 26

Which of the following statements is LEAST-Likely true?

A) Repair recommendations from vehicle manufacturers allow welding in order to repair structural damage to hybrid and electric vehicles.
B) Manufacturers require removal of all 12-volt electronics and high-voltage components if welding occurs within a 12-inch radius.
C) It is important to have the ground for welders and some other tools attached to the vehicle in close proximity to the area that is to be welded.
D) If a welding ground is placed on a painted surface, the current will still be able to flow freely.

Question 27

​In the Toyota Prius, the hybrid vehicle battery pack is MOST-Likely located in ____.

A) ​the cargo area
B) ​the passenger side
C) ​the engine compartment
D) ​under the vehicle body

Question 28

​Which of the following statements is LEAST-Likely true?

A) ​Follow manufacturer instructions when disabling HV systems.
B) ​HV systems must be disabled before performing repair work.
C) ​Not properly shutting down the vehicle's electric drivetrain could be a fatal mistake.
D) ​Always use a conventional 12V DVOM to try to measure hybrid drive circuit voltages.

Question 29

​If an electric ____ requires replacement, the vehicle is normally sent to a certified transmission shop or authorized dealership for repair.

A) ​drive assembly
B) ​motor/generator
C) ​inverter/converter
D) ​powertrain

Question 30

​Which of the following statements is LEAST-Likely true?

A) ​Excessive heat can damage HV batteries, so some vehicle manufacturers have given recommendations concerning paint booth bake temperatures.
B) ​Ford's recommendation is a maximum temperature of 140°F for no more than 45 minutes.
C) ​Honda states that the spray booth bake cycle is not a concern.
D) ​Any concerns of the HV battery being damaged by excessive heat can be avoided by allowing the vehicle to air dry.

Question 31

​During braking, the generator also recharges the battery pack.Known as ____________________, this recaptures and saves a huge amount of electrical energy during deceleration.

Question 32

​In the Toyota Prius, the ____changes the high-voltage DC electricity from the HV battery pack to three-phase AC electricity that drives the electric motor.

A) ​internal combustion engine (ICE)
B) ​inverter/converter
C) ​starter
D) ​starter

Question 33

​In the Chevrolet Volt, the ____________________ must be used before any repair work is done to the vehicle.

Question 34

​All of the functions of Toyota's hybrid system are controlled by the ____________________.

Question 35

​The high-voltage electrical system is disabled on a Honda Intelligent Power Unit (IPU) by deactivating/turning off the manual service disconnect.While having a discussion, Technician A says that even after the systems have been disabled, the IPU still contains high voltage.Technician B says that you can remove the protective cover of the IPU.Who is correct?

A) ​A only
B) ​B only
C) ​Both A and B
D) ​Neither A nor B

Question 36

​In the Toyota Prius, the electric motor (traction motor) is a three-phase high-voltage AC permanent magnet electric motor contained in the____.

A) ​inverter/converter
B) ​high-voltage system wiring
C) ​front transaxle
D) ​cargo area

Question 37

After repairs are complete, and the HV system of the vehicle has been reconnected or "powered up," what final checks must be performed?