Transcript high-voltage safety equipment

OBJECTIVES
After studying Chapter 40, the reader will be able to:
1. Safely depower a hybrid electric vehicle.
2. Safely perform high-voltage disconnects.
3. Understand the unique service issues related to
HEV high-voltage systems.
4. Correctly use appropriate personal protective
equipment (PPE).
5. Explain hazards while driving,moving, and hoisting
a hybrid electric vehicle.
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
HIGH-VOLTAGE SAFETY EQUIPMENT
Rubber Gloves
• Before working on the high-voltage system of a hybrid
electric vehicle, be sure that high-voltage (HV) linesman’s
gloves are available.
• Be sure that the gloves are rated at least 1,000 volts and
class “0” by ANSI/ASTM.
FIGURE 40-1 Rubber
linesman’s gloves protect
the wearer from a shock
hazard.
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
HIGH-VOLTAGE SAFETY EQUIPMENT
Rubber Gloves
FIGURE 40-2 Wearing leather gloves over the linesman’s gloves
helps protect the rubber gloves from damage.
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
HIGH-VOLTAGE SAFETY EQUIPMENT
Rubber Gloves
FIGURE 40-3 Checking rubber linesman’s gloves for pinhole leaks.
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
HIGH-VOLTAGE SAFETY EQUIPMENT
CAT III–Rated Digital Multimeter
• Hybrid electric vehicles are equipped with electrical
systems whose voltages can exceed 600 volts DC.
• A CAT III–certified digital multimeter (DMM) is
required for making measurements on these highvoltage systems.
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
HIGH-VOLTAGE SAFETY EQUIPMENT
CAT III–Rated Digital Multimeter
FIGURE 40-4 Be sure to only use a CAT III–meter when
taking electrical voltage measurements on a hybrid vehicle.
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
HIGH-VOLTAGE SAFETY EQUIPMENT
CAT III–Rated Digital Multimeter
FIGURE 40-5 The meter leads should also be CAT III rated
when checking voltages on a hybrid electric vehicle.
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
HIGH-VOLTAGE SAFETY EQUIPMENT
Eye Protection
• Eye protection should be worn when testing for high
voltage, which is considered by many experts to be
anything over 60 volts.
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
FIRST RESPONDER PROCEDURES
Identifying a Hybrid Vehicle
• To confirm whether a vehicle is a hybrid, look for the word
“HYBRID” on the rear of the vehicle.
FIGURE 40-6 This Honda Accord hybrid is identified by the emblem on the rear
deck lid.
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
FIRST RESPONDER PROCEDURES
Identifying a Hybrid Vehicle
•
•
•
•
•
•
Power Source.
12-Volt Battery.
Fuse Box.
High-Voltage Battery Module.
High-Voltage Cables.
Airbags and Tensioners
– Keep out of the path of an undeployed front airbag, and
do not cut into the center of the steering wheel or
dashboard where the front airbags are stored.
– Do not cut into the rear (C) pillar where the side curtain
inflator is stored.
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
FIRST RESPONDER PROCEDURES
Identifying a Hybrid Vehicle
FIGURE 40-7 A hybrid electric vehicle can often be identified by looking for
orange-colored cables under the hood, as well as other markings on the engine
cover.
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
FIRST RESPONDER PROCEDURES
Identifying a Hybrid Vehicle
FIGURE 40-8 A Toyota Highlander hybrid battery pack with the cover removed.
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
ELECTRIC SHOCK POTENTIAL
• Unprotected contact with any electrically charged (“hot” or
“live”) high-voltage component can cause serious injury or
death.
• However, receiving an electric shock from a hybrid vehicle is
highly unlikely because of the following:
– Contact with the battery module or other components inside the
battery box can occur only if the box is damaged and the contents are
exposed, or the box is opened without following proper precautions.
– Contact with the electric motor can occur only after one or more
components are removed.
– The high-voltage cables can be easily identified by their distinctive
orange color, and contact with them can be avoided.
– The system main relays (SMRs) disconnect power from the cables
the moment the ignition is turned off.
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
ELECTRIC SHOCK POTENTIAL
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
VEHICLE FIRE
• There are no unusual hazards if a hybrid electric
vehicle is involved in a fire.
• It should be noted, however, that extremely high
temperatures (320°F–356°F [160°C–180°C])
can cause undeployed airbags to deploy.
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
SUBMERGED OR PARTIALLY SUBMERGED
VEHICLE
• Pull the vehicle out of the water, then use one of the
procedures described next for preventing electric
current from flowing through the high-voltage
cables.
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
PREVENTING CURRENT FLOW THROUGH HIGHVOLTAGE CABLES
• Before attempting to rescue occupants or move a
damaged hybrid vehicle, the potential for current to
flow from the electric motor or the battery module
through the high-voltage cables needs to be
removed.
• There are two recommended methods for
preventing high-voltage shock hazard.
– Method One
– Method Two
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
PREVENTING CURRENT FLOW THROUGH HIGHVOLTAGE CABLES
FIGURE 40-9 The high-voltage disconnect (service) plug is located on the left side
of the rear seat in a Toyota Highlander hybrid vehicle.
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
SILENCE IS NOT GOLDEN
FIGURE 40-10 The Ford Escape Hybrid instrument panel showing the vehicle in
Park and the tachometer on “EV” instead of 0 RPM. This means that the
gasoline engine could start at any time depending on the state of charge of the
high-voltage batteries and other factors.
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
EMERGENCY RESPONSE
• On arrival, emergency responders should follow
their standard operating procedures for vehicle
incidents.
• Extrication
• Offensive Fire Attack
• Defensive Fire Attack
• Spills
• Submersion
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
COLLISION AND REPAIR INDUSTRY ISSUES
Jump-Starting
• The 12-volt auxiliary battery
may be jump-started if the
vehicle does not start.
• The 12-volt auxiliary battery
is often located under the
hood but can also be
located in the cargo area of
some HEVs.
• Using a jump box or jumper
cable from another vehicle,
make the connections to
the positive and negative
battery terminals.
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
FIGURE 40-11 Jump-starting a 2001–2003
Toyota Prius using a 12-volt supply to
boost the 12-volt auxiliary battery in the
trunk.
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
COLLISION AND REPAIR INDUSTRY ISSUES
Jump-Starting
FIGURE 40-12 The underhood 12-volt jump-start terminal on this 2004+ Toyota
Prius has a red plastic cover with a “”sign. The positive booster cable clamp will
attach directly to the vertical metal bracket.
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
MOVING AND TOWING A HYBRID
• If a disabled vehicle needs to be moved a short
distance (to the side of the road, for example) and
the vehicle can still roll on the ground, the easiest
way is to shift the transmission into neutral and
manually push the vehicle.
• Moving the Hybrid Vehicle in the Shop
• Removing the High-Voltage Batteries
• Storing the High-Voltage Batteries
• Hoisting a Hybrid Vehicle
• Paint Ovens
• HV Battery Disposal
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
MOVING AND TOWING A HYBRID
FIGURE 40-13 Use of a warning cover over the steering wheel helps others
realize that work is being performed on the high-voltage system and that no one is
to attempt to start or move the vehicle.
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
MOVING AND TOWING A HYBRID
FIGURE 40-14 A lock box is a safe location to keep the ignition keys of a hybrid
electric vehicle while it is being serviced. Notice that this lock box has two
separate locks so it would require two people to open, helping to ensure that no
harm is done by accidentally attempting to start a HEV.
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
MOVING AND TOWING A HYBRID
FIGURE 40-15 Insulated tools, such as this socket set, would provide an
additional margin of safety to the service technician when working around highvoltage components and systems.
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
MOVING AND TOWING A HYBRID
FIGURE 40-16 The high-voltage wiring on this Honda hybrid is colored orange
for easy identification.
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
INSULATION TESTER
• To perform an insulation test, push the test button
on the tester.
• It will perform the following:
– The tester applies a test voltage on the meter leads.
– The tester then measures the voltage and the current.
– The tester then calculates the resistance and displays the
reading.
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
HV GLOVE USE
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
HV GLOVE USE
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
HV GLOVE USE
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
HV GLOVE USE
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
HV GLOVE USE
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
HV GLOVE USE
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
SUMMARY
1. Personal protective equipment (PPE) for work on
hybrid electric vehicles includes the wearing of
high-voltage rubber gloves rated at 1,000 volts or
more worn with leather protective gloves to help
protect the rubber gloves.
2. A digital meter and meter leads that meet CAT III
standards should be used when working around
the highvoltage section of a hybrid electric vehicle.
3. Safety glasses and a face shield should be worn
whenever working around the high-voltage circuits
of a hybrid electric vehicle.
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
SUMMARY
4. The high-voltage system can be shut off by
disconnecting the high-voltage circuits and being
sure the ignition is off. Disconnecting the 12-volt
battery is additional security that the high-voltage
circuits are depowered.
5. For most situations, first responder actions should
be the same as if the vehicle were conventional.
6. When servicing a hybrid electric vehicle, always
observe recommended safety procedures.
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
REVIEW QUESTIONS
1. What are the recommended items that should be used
when working with the high-voltage circuits of a hybrid
electric vehicle?
2. How can a hybrid electric vehicle be identified?
3. What actions are needed to disable the high-voltage (HV)
circuit?
4. What precautions should first responders take to protect
themselves and accident victims in the event of a collision
or accident with a hybrid electric vehicle?
5. What are the precautions that service technicians should
adhere to when servicing hybrid electric vehicles?
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
CHAPTER QUIZ
1. Rubber gloves should be worn whenever working
on or near the high-voltage circuits or components
of a hybrid electric vehicle. Technician A says that
the rubber gloves should be rated at 1,000 volts or
higher. Technician B says that leather gloves
should be worn over the high-voltage rubber
gloves. Which technician is correct?
a)
b)
c)
d)
Technician A only
Technician B only
Both Technicians A and B
Neither Technician A nor B
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
CHAPTER QUIZ
1. Rubber gloves should be worn whenever working
on or near the high-voltage circuits or components
of a hybrid electric vehicle. Technician A says that
the rubber gloves should be rated at 1,000 volts or
higher. Technician B says that leather gloves
should be worn over the high-voltage rubber
gloves. Which technician is correct?
a)
b)
c)
d)
Technician A only
Technician B only
Both Technicians A and B
Neither Technician A nor B
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
CHAPTER QUIZ
2. A CAT III–certified DMM should be used whenever
measuring high-voltage circuits or components.
The CAT III rating relates to _____.
a)
b)
c)
d)
High voltage
High energy
High electrical resistance
Both a and b
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
CHAPTER QUIZ
2. A CAT III–certified DMM should be used whenever
measuring high-voltage circuits or components.
The CAT III rating relates to _____.
a)
b)
c)
d)
High voltage
High energy
High electrical resistance
Both a and b
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
CHAPTER QUIZ
3. All of the following will shut off the high voltage to
components and circuits, except _____.
a)
b)
c)
d)
Opening the driver’s door
Turning the ignition off
Disconnecting the 12-volt auxiliary battery
Removing the main fuse, relay, or HV plug
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
CHAPTER QUIZ
3. All of the following will shut off the high voltage to
components and circuits, except _____.
a)
b)
c)
d)
Opening the driver’s door
Turning the ignition off
Disconnecting the 12-volt auxiliary battery
Removing the main fuse, relay, or HV plug
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
CHAPTER QUIZ
4. If the engine is not running, Technician A says that
the highvoltage circuits are depowered. Technician
B says that all high-voltage wiring is orange in
color. Which technician is correct?
a)
b)
c)
d)
Technician A only
Technician B only
Both Technicians A and B
Neither Technician A nor B
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
CHAPTER QUIZ
4. If the engine is not running, Technician A says that
the highvoltage circuits are depowered. Technician
B says that all high-voltage wiring is orange in
color. Which technician is correct?
a)
b)
c)
d)
Technician A only
Technician B only
Both Technicians A and B
Neither Technician A nor B
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
CHAPTER QUIZ
5. Which statement is false about high-voltage
wiring?
a)
b)
c)
d)
Connects the battery pack to the electric controller
Connects the controller to the motor/generator
Is electrically grounded to the frame (body) of the vehicle
Is controlled by a relay that opens if the ignition is off
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
CHAPTER QUIZ
5. Which statement is false about high-voltage
wiring?
a)
b)
c)
d)
Connects the battery pack to the electric controller
Connects the controller to the motor/generator
Is electrically grounded to the frame (body) of the vehicle
Is controlled by a relay that opens if the ignition is off
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
CHAPTER QUIZ
6. The electrolyte from a NiMH battery pack can be
neutralized in the remote chance that it leaks by
using _____.
a)
b)
c)
d)
Water
Baking soda
Vinegar
Baking powder
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
CHAPTER QUIZ
6. The electrolyte from a NiMH battery pack can be
neutralized in the remote chance that it leaks by
using _____.
a)
b)
c)
d)
Water
Baking soda
Vinegar
Baking powder
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
CHAPTER QUIZ
7. Two technicians are discussing jump-starting a
hybrid electric vehicle. Technician A says that the
high-voltage (HV) batteries can be jumped on
some HEV models. Technician B says that the 12volt auxiliary battery can be jumped using a
conventional jump box or jumper cable. Which
technician is correct?
a)
b)
c)
d)
Technician A only
Technician B only
Both Technicians A and B
Neither Technician A nor B
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
CHAPTER QUIZ
7. Two technicians are discussing jump-starting a
hybrid electric vehicle. Technician A says that the
high-voltage (HV) batteries can be jumped on
some HEV models. Technician B says that the 12volt auxiliary battery can be jumped using a
conventional jump box or jumper cable. Which
technician is correct?
a)
b)
c)
d)
Technician A only
Technician B only
Both Technicians A and B
Neither Technician A nor B
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
CHAPTER QUIZ
8. What can occur if a hybrid electric vehicle is
pushed in the shop?
a)
b)
c)
d)
The HV battery pack can be damaged.
The tires will be locked unless the ignition is on.
Damage to the electronic controller can occur.
High voltage will be generated by the motor/generator.
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
CHAPTER QUIZ
8. What can occur if a hybrid electric vehicle is
pushed in the shop?
a)
b)
c)
d)
The HV battery pack can be damaged.
The tires will be locked unless the ignition is on.
Damage to the electronic controller can occur.
High voltage will be generated by the motor/generator.
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
CHAPTER QUIZ
9. Nickel-metal hydride (NiMH) batteries can be
damaged if exposed to temperatures higher than
about _____.
a)
b)
c)
d)
150°F (66°C)
175°F (79°C)
200°F (93°C)
225°F (107°C)
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
CHAPTER QUIZ
9. Nickel-metal hydride (NiMH) batteries can be
damaged if exposed to temperatures higher than
about _____.
a)
b)
c)
d)
150°F (66°C)
175°F (79°C)
200°F (93°C)
225°F (107°C)
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
CHAPTER QUIZ
10. How should nickel-metal hydride (NiMH) batteries
be disposed of?
a) In regular trash
b) Call an 800 number shown under the hood of the vehicle
for information
c) Submerged in water and then disposed of in regular
trash
d) Burned at an EPA-certified plant
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
CHAPTER QUIZ
10. How should nickel-metal hydride (NiMH) batteries
be disposed of?
a) In regular trash
b) Call an 800 number shown under the hood of the vehicle
for information
c) Submerged in water and then disposed of in regular
trash
d) Burned at an EPA-certified plant
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458
END
Diagnosis and Troubleshooting of Automotive Electrical,
Electronic, and Computer Systems, Fifth Edition
By James D. Halderman
© 2010 Pearson Higher Education, Inc.
Pearson Prentice Hall - Upper Saddle River, NJ 07458