Question 1

Which of the following components would MOST-Likely have an internal high-voltage fuse?

Accepted Answer

A)  series connection 
B)  service plug 
C)  conventional lead-acid battery 
D)  DC-DC converter 
A)  series connection 
B)  service plug 
C)  conventional lead-acid battery 
D)  DC-DC converter B

Question 2

Which of the following is LEAST-Likely item to be found on a hybrid inspection checklist?

Accepted Answer

A)  Trunk/fuel lid release 
B)  12-volt battery 
C)  Dash light operation 
D)  Battery reconditioning 
A)  Trunk/fuel lid release 
B)  12-volt battery 
C)  Dash light operation 
D)  Battery reconditioning D

Question 3

The high-voltage battery has two lower-voltage sections that are electrically connected by a high-voltage ____________________.

Accepted Answer

service plug

Question 4

You can assume that turning off the car and removing the key depowers the high-voltage system, making it safe to work with.

Accepted Answer

A) True 
 B)False

Question 5

There is no filter for HEV cooling fans, so they can become plugged by pet hair, dirt, or lint.

Accepted Answer

A) True 
 B)False

Question 6

All of the following statements are true EXCEPT:

Accepted Answer

A)  hybrid vehicles have a separate and unique cooling system for the engine. 
B)  the ICE can be off for periods of time while the vehicle is under electric motor power alone. 
C)  the engine does not always generate and maintain heat. 
D)  the cylinder head must be cold prior to a cold start. 
A)  hybrid vehicles have a separate and unique cooling system for the engine. 
B)  the ICE can be off for periods of time while the vehicle is under electric motor power alone. 
C)  the engine does not always generate and maintain heat. 
D)  the cylinder head must be cold prior to a cold start.

Question 7

____  is the electric/hybrid color for cables and connectors, which can range from 144 to 650 volts. This can kill you!

Accepted Answer

A)  Black 
B)  Blue 
C)  Yellow 
D)  Orange 
A)  Black 
B)  Blue 
C)  Yellow 
D)  Orange

Question 8

A smart key is used with a hybrid vehicle. Keep the key at least ____ feet from the vehicle during service to prevent the engine from accidentally starting.

Accepted Answer

A)  6 
B)  10 
C)  16 
D)  20 
A)  6 
B)  10 
C)  16 
D)  20

Question 9

List some high-voltage meter safety tips.

Accepted Answer

• Wear your insulated gloves when verify

Question 10

How should you test high-voltage safety gloves?

Accepted Answer

Prior to each use, insulated gloves must

Question 11

In addition to the READY light, what other warning lights do hybrid vehicles have?

Accepted Answer

In addition to the READY light, hybrid v

Question 12

While having a discussion, Technician A says that a hybrid low-voltage auxiliary battery is matched to the HV charging system. If it requires replacement, it must be replaced with the recommended battery. Technician B says that a conventional lead-acid battery must not be used. 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 13

There are recycling companies that sell refurbished hybrid batteries.  What is the difference between a rebuilt and a remanufactured battery?

Accepted Answer

Rebuilding a battery is when s

Question 14

When referring to an HV battery pack, a(n) ____ is a pair of modules.

Accepted Answer

A)  SOC 
B)  battery block 
C)  All Bat 
D)  starter generator control module 
A)  SOC 
B)  battery block 
C)  All Bat 
D)  starter generator control module

Question 15

A megohmmeter is a type of high voltage meter. It is also known as an insulation ____________________ tester because it is used to test insulation in high-voltage systems.

Accepted Answer

The answer of A megohmmeter is a type of high...

Question 16

Within the  ____________________ are the hybrid powertrain control module (HPCM) and the drive motor control module (DMCM).

Accepted Answer

starter generator co

Question 17

Hybrid vehicles can sit parked over an extended length of time (2 months or longer) with no impact on the high-voltage battery.

Accepted Answer

A) True 
 B)False

Question 18

All of the following statements are true EXCEPT:

Accepted Answer

A)  battery conditioning is a process done by some specialized aftermarket businesses. 
B)  through a series of cycles of controlled charging and discharging, most NiMH battery modules can be improved to 92-95 percent of the capacity of a new battery. 
C)  if the battery is not too old and the vehicle's hybrid electric management system is operating properly, the owner can expect to extend the life of the battery with reconditioning. 
D)  a typical reconditioned battery comes with an 3-year warranty. 
A)  battery conditioning is a process done by some specialized aftermarket businesses. 
B)  through a series of cycles of controlled charging and discharging, most NiMH battery modules can be improved to 92-95 percent of the capacity of a new battery. 
C)  if the battery is not too old and the vehicle's hybrid electric management system is operating properly, the owner can expect to extend the life of the battery with reconditioning. 
D)  a typical reconditioned battery comes with an 3-year warranty.

Question 19

____________________  is used by Toyota and Lexus hybrids to indicate the difference in state of charge between different sections (blocks) of the battery pack.

Accepted Answer

Delta state of charg

Question 20

The electrical conduit color MOST-Likely to signify ordinary 12 volts is:

Accepted Answer

A)  black 
B)  blue 
C)  yellow 
D)  orange 
A)  black 
B)  blue 
C)  yellow 
D)  orange

Exam 81: Hybrid Vehicle Safety and Service

Which of the following components would MOST-Likely have an internal high-voltage fuse?

Which of the following is LEAST-Likely item to be found on a hybrid inspection checklist?

The high-voltage battery has two lower-voltage sections that are electrically connected by a high-voltage ____________________.

You can assume that turning off the car and removing the key depowers the high-voltage system, making it safe to work with.

There is no filter for HEV cooling fans, so they can become plugged by pet hair, dirt, or lint.

All of the following statements are true EXCEPT:

____ is the electric/hybrid color for cables and connectors, which can range from 144 to 650 volts. This can kill you!

A smart key is used with a hybrid vehicle. Keep the key at least ____ feet from the vehicle during service to prevent the engine from accidentally starting.

List some high-voltage meter safety tips.

How should you test high-voltage safety gloves?

In addition to the READY light, what other warning lights do hybrid vehicles have?

While having a discussion, Technician A says that a hybrid low-voltage auxiliary battery is matched to the HV charging system. If it requires replacement, it must be replaced with the recommended battery. Technician B says that a conventional lead-acid battery must not be used. Who is correct?

There are recycling companies that sell refurbished hybrid batteries. What is the difference between a rebuilt and a remanufactured battery?

When referring to an HV battery pack, a(n) ____ is a pair of modules.

A megohmmeter is a type of high voltage meter. It is also known as an insulation ____________________ tester because it is used to test insulation in high-voltage systems.

Within the ____________________ are the hybrid powertrain control module (HPCM) and the drive motor control module (DMCM).

Hybrid vehicles can sit parked over an extended length of time (2 months or longer) with no impact on the high-voltage battery.

All of the following statements are true EXCEPT:

____________________ is used by Toyota and Lexus hybrids to indicate the difference in state of charge between different sections (blocks) of the battery pack.

The electrical conduit color MOST-Likely to signify ordinary 12 volts is:

Introduction to the Automobile

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