FINAL EXAM BRAKES II - AUT 203
EXAM QUESTIONS & ACCURATE
PASSED ANSWERS LATEST VERSION
High-speed CAN - Correct Answer ✔✔ GMLAN is the General Motors term for which
type of module communication?
A) Keyword 2000
B) UART
C) High-speed CAN
D) Class 2
Both technicians A and B - Correct Answer ✔✔ Technician A says that module
communications networks are used to reduce the number of wires in a vehicle.
Technician B says that a communications network is used to share data from sensors,
which can be used by many different modules. Who is right?
A) Technician A only
B) Technician B only
C) Both technicians A and B
D) Neither technician A nor B
Node - Correct Answer ✔✔ A module is also known as ____________.
A) BUS
B) Resistor pack
C) Node
D) Terminator
6 and 14 - Correct Answer ✔✔ A high-speed CAN BUS communicates with a scan tool
through which terminal(s)?
A) 2 and 5
B) 7 and 15
C) 6 and 14
D) 4 and 16
5 volts - Correct Answer ✔✔ UART uses a signal that toggles between 0 volts and
__________.
A) 7 volts
B) 5 volts
C) 12 volts
D) 8 volts
0 and 7 volts - Correct Answer ✔✔ GM Class 2 communication toggles between
___________.
,A) 7 and 12 volts
B) 0 and 7 volts
C) 0 and 12 volts
D) 5 and 7 volts
2 - Correct Answer ✔✔ Which terminal of the data link connector does General Motors
use for Class 2 communication?
A) 1
B) 2
C) 3
D) 4
All of the above - Correct Answer ✔✔ CAN H and CAN L operate how?
A) CAN H goes to 3.5 volts when transmitting
B) CAN H is at 2.5 volts when not transmitting
C) CAN L is at 2.5 volts when not transmitting
D) All of the above
5 - Correct Answer ✔✔ Which terminal of the OBD-II data link connector is the signal
ground for all vehicles?
A) 3
B) 5
C) 4
D) 1
10,000 - Correct Answer ✔✔ Low-speed networks operate at less than ____________
bits per second.
A) 5,000
B) 8,000
C) 2,000
D) 10,000
8192 - Correct Answer ✔✔ The UART data BUS operates at a baud rate of
_____________ bps.
A) 8182
B) 8192
C) 8211
D) 5543
Domestic Digital BUS - Correct Answer ✔✔ Which of these, commonly called D2B, is
an optical BUS system connecting audio, video, computer and telephone components in
a single-ring structure with a speed of up to 5,600,000 bps?
A) Domestic Digital BUS
B) CAN Network
C) Flexray BUS
D) GMLAN
, Motorola Interconnect (MI) - Correct Answer ✔✔ Which of these is a single-wire serial
communications protocol, using one master control module and many slave modules?
A) Flexray BUS
B) Motorola Interconnect (MI)
C) Media Oriented System Transport (MOST)
D) GMLAN
Technician B only - Correct Answer ✔✔ Technician A says a CANDi module will flash
the RED LED rapidly if communication is detected. Technician B says a twisted pair is
where two wires are twisted to prevent electromagnetic radiation from affecting the
signals passing through the wires. Who is right?
A) Technician A only
B) Technician B only
C) Both technicians A and B
D) Neither technician A nor B
Technician A only - Correct Answer ✔✔ Technician A says Chrysler OBD-I (1981-1995)
vehicles were equipped with a BUS system called Serial Communications Interface
(SCI). Technician B says the Chrysler Programmable Controller Interface (PCI) is a
three-wire communication protocol that connects at the OBD-II DLC at terminal 2. Who
is right?
A) Technician A only
B) Technician B only
C) Both technicians A and B
D) Neither technician A nor B
Technician B only - Correct Answer ✔✔ Technician A says that the parking brake cable
should be adjusted at each wheel. Technician B says that the parking brake cable
adjustment is usually done after adjusting the rear brakes. Which technician is correct?
A) Technician A only
B) Technician B only
C) Both technicians A and B
D) Neither technician A nor B
Both technicians A and B - Correct Answer ✔✔ Technician A says that the parking
brake hand lever can turn on the red brake warning lamp. Technician B says that a foot-
operated parking brake can turn on the red brake warning lamp. Which technician is
correct?
A) Technician A only
B) Technician B only
C) Both technicians A and B
D) Neither technician A nor B
Actuator screw - Correct Answer ✔✔ In a typical integral rear disc brake caliper, the
parking brake cable moves the ___________.
EXAM QUESTIONS & ACCURATE
PASSED ANSWERS LATEST VERSION
High-speed CAN - Correct Answer ✔✔ GMLAN is the General Motors term for which
type of module communication?
A) Keyword 2000
B) UART
C) High-speed CAN
D) Class 2
Both technicians A and B - Correct Answer ✔✔ Technician A says that module
communications networks are used to reduce the number of wires in a vehicle.
Technician B says that a communications network is used to share data from sensors,
which can be used by many different modules. Who is right?
A) Technician A only
B) Technician B only
C) Both technicians A and B
D) Neither technician A nor B
Node - Correct Answer ✔✔ A module is also known as ____________.
A) BUS
B) Resistor pack
C) Node
D) Terminator
6 and 14 - Correct Answer ✔✔ A high-speed CAN BUS communicates with a scan tool
through which terminal(s)?
A) 2 and 5
B) 7 and 15
C) 6 and 14
D) 4 and 16
5 volts - Correct Answer ✔✔ UART uses a signal that toggles between 0 volts and
__________.
A) 7 volts
B) 5 volts
C) 12 volts
D) 8 volts
0 and 7 volts - Correct Answer ✔✔ GM Class 2 communication toggles between
___________.
,A) 7 and 12 volts
B) 0 and 7 volts
C) 0 and 12 volts
D) 5 and 7 volts
2 - Correct Answer ✔✔ Which terminal of the data link connector does General Motors
use for Class 2 communication?
A) 1
B) 2
C) 3
D) 4
All of the above - Correct Answer ✔✔ CAN H and CAN L operate how?
A) CAN H goes to 3.5 volts when transmitting
B) CAN H is at 2.5 volts when not transmitting
C) CAN L is at 2.5 volts when not transmitting
D) All of the above
5 - Correct Answer ✔✔ Which terminal of the OBD-II data link connector is the signal
ground for all vehicles?
A) 3
B) 5
C) 4
D) 1
10,000 - Correct Answer ✔✔ Low-speed networks operate at less than ____________
bits per second.
A) 5,000
B) 8,000
C) 2,000
D) 10,000
8192 - Correct Answer ✔✔ The UART data BUS operates at a baud rate of
_____________ bps.
A) 8182
B) 8192
C) 8211
D) 5543
Domestic Digital BUS - Correct Answer ✔✔ Which of these, commonly called D2B, is
an optical BUS system connecting audio, video, computer and telephone components in
a single-ring structure with a speed of up to 5,600,000 bps?
A) Domestic Digital BUS
B) CAN Network
C) Flexray BUS
D) GMLAN
, Motorola Interconnect (MI) - Correct Answer ✔✔ Which of these is a single-wire serial
communications protocol, using one master control module and many slave modules?
A) Flexray BUS
B) Motorola Interconnect (MI)
C) Media Oriented System Transport (MOST)
D) GMLAN
Technician B only - Correct Answer ✔✔ Technician A says a CANDi module will flash
the RED LED rapidly if communication is detected. Technician B says a twisted pair is
where two wires are twisted to prevent electromagnetic radiation from affecting the
signals passing through the wires. Who is right?
A) Technician A only
B) Technician B only
C) Both technicians A and B
D) Neither technician A nor B
Technician A only - Correct Answer ✔✔ Technician A says Chrysler OBD-I (1981-1995)
vehicles were equipped with a BUS system called Serial Communications Interface
(SCI). Technician B says the Chrysler Programmable Controller Interface (PCI) is a
three-wire communication protocol that connects at the OBD-II DLC at terminal 2. Who
is right?
A) Technician A only
B) Technician B only
C) Both technicians A and B
D) Neither technician A nor B
Technician B only - Correct Answer ✔✔ Technician A says that the parking brake cable
should be adjusted at each wheel. Technician B says that the parking brake cable
adjustment is usually done after adjusting the rear brakes. Which technician is correct?
A) Technician A only
B) Technician B only
C) Both technicians A and B
D) Neither technician A nor B
Both technicians A and B - Correct Answer ✔✔ Technician A says that the parking
brake hand lever can turn on the red brake warning lamp. Technician B says that a foot-
operated parking brake can turn on the red brake warning lamp. Which technician is
correct?
A) Technician A only
B) Technician B only
C) Both technicians A and B
D) Neither technician A nor B
Actuator screw - Correct Answer ✔✔ In a typical integral rear disc brake caliper, the
parking brake cable moves the ___________.
