Question 1

All of the following statements about computer memory are true, EXCEPT:

Accepted Answer

A) RAM stores temporary information that can be written to and read by the CPU. 
B) ROM can only be read by the CPU. 
C) All PROM memory is flashable. 
D) Volatile memory is erased when voltage is removed. 
A) RAM stores temporary information that can be written to and read by the CPU. 
B) ROM can only be read by the CPU. 
C) All PROM memory is flashable. 
D) Volatile memory is erased when voltage is removed. C

Question 2

When flashing a computer, all of the following are true EXCEPT:

Accepted Answer

A) A battery charger should be connected to the vehicle's battery. 
B)  Special instructions may be displayed on the scan tool screen during the flash. 
C)  The flash process loads new software programming into the computer. 
D)  The BCM must be removed from the vehicle before it is flashed. 
A) A battery charger should be connected to the vehicle's battery. 
B)  Special instructions may be displayed on the scan tool screen during the flash. 
C)  The flash process loads new software programming into the computer. 
D)  The BCM must be removed from the vehicle before it is flashed. D

Question 3

Which of the following is an actuator?

Accepted Answer

A)  A motor. 
B)  A relay. 
C)  A solenoid. 
D)  All of these choices. 
A)  A motor. 
B)  A relay. 
C)  A solenoid. 
D)  All of these choices. D

Question 4

The relay coil circuit is controlled by a low-side driver. Direct battery feed is connected to the other terminal of the coil. If the BCM monitors voltage on the control circuit to determine proper operation, which of the following statements is not true?

Accepted Answer

A)  The voltage reading by the BCM before the low-side driver should be battery voltage with the coil turned off. 
B)  The voltage reading by the BCM before the low-side driver should be close to 0 volts with the coil turned on. 
C)  A constant low voltage reading by the BCM may be the result of an open in the circuit between the battery and the coil. 
D)  The BCM will not be capable of setting control circuit faults. 
A)  The voltage reading by the BCM before the low-side driver should be battery voltage with the coil turned off. 
B)  The voltage reading by the BCM before the low-side driver should be close to 0 volts with the coil turned on. 
C)  A constant low voltage reading by the BCM may be the result of an open in the circuit between the battery and the coil. 
D)  The BCM will not be capable of setting control circuit faults.

Question 5

The flashing of a computer is done to perform which task?

Accepted Answer

A)  Repair hardware problems within the computer controlled system . 
B)  To update the software within the computer to correct or enhance operation . 
C)  Determine if the driver habits contribute to EEPROM issues . 
D)  Correct for faulty input signals . 
A)  Repair hardware problems within the computer controlled system . 
B)  To update the software within the computer to correct or enhance operation . 
C)  Determine if the driver habits contribute to EEPROM issues . 
D)  Correct for faulty input signals .

Question 6

The scan tool indicates that an actuator is being turned on and off, however the actuator does not operate. What is the least likely cause?

Accepted Answer

A)  Faulty computer . 
B)  Open in the control circuit of the actuator . 
C)  Open in the ground circuit of the actuator . 
D)  Defective actuator device . 
A)  Faulty computer . 
B)  Open in the control circuit of the actuator . 
C)  Open in the ground circuit of the actuator . 
D)  Defective actuator device .

Question 7

Which of the following is responsible for sequential sampling?

Accepted Answer

A) DEMUX 
B) Driver 
C) MUX 
D)  Register 
A) DEMUX 
B) Driver 
C) MUX 
D)  Register

Question 8

If the scan tool fails to make connection with the BCM, all of the following could be the cause except :

Accepted Answer

A)  Loss of BCM power ground. 
B)  Open actuator circuit. 
C)  Open battery feed circuit to the BCM . 
D)  Faulty scan tool. 
A)  Loss of BCM power ground. 
B)  Open actuator circuit. 
C)  Open battery feed circuit to the BCM . 
D)  Faulty scan tool.

Question 9

All of the following are precautions to prevent static electricity damage when replacing a control module EXCEPT:

Accepted Answer

A)  Ground the package to a known good ground before opening . 
B)  Open the package only when ready to install the component . 
C)  Wipe the terminals clean before installing the component . 
D)  Touch a known good ground before opening the package . 
A)  Ground the package to a known good ground before opening . 
B)  Open the package only when ready to install the component . 
C)  Wipe the terminals clean before installing the component . 
D)  Touch a known good ground before opening the package .

Question 10

A bidirectional scan tool fails to make an actuator operate; which of the following could be the cause:

Accepted Answer

A)  Faulty scan tool . 
B)  Open actuator ground circuit . 
C)  Open power circuit to the actuator . 
D)  All of these choices . 
A)  Faulty scan tool . 
B)  Open actuator ground circuit . 
C)  Open power circuit to the actuator . 
D)  All of these choices .

Question 11

Which of the following is correct?

Accepted Answer

A) Analog signals are either high-low, on-off, or yes-no. 
B) Digital signals are infinitely variable within a defined range. 
C) All of these choices. 
D) None of these choices. 
A) Analog signals are either high-low, on-off, or yes-no. 
B) Digital signals are infinitely variable within a defined range. 
C) All of these choices. 
D) None of these choices.

Question 12

Which method may be used to check a computer controlled actuator?

Accepted Answer

A)  Use a labscope to monitor voltage levels . 
B)  Use an ammeter to monitor current flow . 
C)  Use a scan tool to activate the component . 
D)  All of these choices . 
A)  Use a labscope to monitor voltage levels . 
B)  Use an ammeter to monitor current flow . 
C)  Use a scan tool to activate the component . 
D)  All of these choices .

Question 13

Which of the following would represent the number "255" in binary code?

Accepted Answer

A) 00000000 
B) 11111111 
C) 00001111 
D) 11110000 
A) 00000000 
B) 11111111 
C) 00001111 
D) 11110000

Question 14

All of the following statements about servicing the BCM are true EXCEPT:

Accepted Answer

A) Always check voltage supply circuits before replacing the BCM. 
B) Analog voltmeters must be used to test circuit voltage. 
C)  Always check grounds before replacing the BCM. 
D)  Turn the ignitions switch to the OFF position before disconnecting or connecting components. 
A) Always check voltage supply circuits before replacing the BCM. 
B) Analog voltmeters must be used to test circuit voltage. 
C)  Always check grounds before replacing the BCM. 
D)  Turn the ignitions switch to the OFF position before disconnecting or connecting components.

All of the following statements about computer memory are true, EXCEPT:

When flashing a computer, all of the following are true EXCEPT:

Which of the following is an actuator?

The relay coil circuit is controlled by a low-side driver. Direct battery feed is connected to the other terminal of the coil. If the BCM monitors voltage on the control circuit to determine proper operation, which of the following statements is not true?

The flashing of a computer is done to perform which task?

The scan tool indicates that an actuator is being turned on and off, however the actuator does not operate. What is the least likely cause?

Which of the following is responsible for sequential sampling?

If the scan tool fails to make connection with the BCM, all of the following could be the cause except :

All of the following are precautions to prevent static electricity damage when replacing a control module EXCEPT:

A bidirectional scan tool fails to make an actuator operate; which of the following could be the cause:

Which of the following is correct?

Which method may be used to check a computer controlled actuator?

Which of the following would represent the number "255" in binary code?

All of the following statements about servicing the BCM are true EXCEPT:

Introduction to Automotive Electrical and Electronic Systems Safety

Basic Theories Special Tools and Procedures

Electrical and Electronic Components Basic Electrical Troubleshooting and Service

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Automotive Batteries Battery Diagnosis and Service

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Lighting Circuits Lighting Circuits Repair and Diagnosis

Computer Input Sensor Diagnostic Routines

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Exam 9: Introduction to the Body Computer Body Computer System Diagnosis

All of the following statements about computer memory are true, EXCEPT:

When flashing a computer, all of the following are true EXCEPT:

Which of the following is an actuator?

The relay coil circuit is controlled by a low-side driver. Direct battery feed is connected to the other terminal of the coil. If the BCM monitors voltage on the control circuit to determine proper operation, which of the following statements is not true?

The flashing of a computer is done to perform which task?

The scan tool indicates that an actuator is being turned on and off, however the actuator does not operate. What is the least likely cause?

Which of the following is responsible for sequential sampling?

If the scan tool fails to make connection with the BCM, all of the following could be the cause except :

All of the following are precautions to prevent static electricity damage when replacing a control module EXCEPT:

A bidirectional scan tool fails to make an actuator operate; which of the following could be the cause:

Which of the following is correct?

Which method may be used to check a computer controlled actuator?

Which of the following would represent the number "255" in binary code?

All of the following statements about servicing the BCM are true EXCEPT:

Introduction to Automotive Electrical and Electronic Systems Safety

Basic Theories Special Tools and Procedures

Electrical and Electronic Components Basic Electrical Troubleshooting and Service

Wiring and Circuit Diagrams Wiring Repair and Reading Circuit Diagrams

Automotive Batteries Battery Diagnosis and Service

Starting Systems and Motor Designs Starting System Diagnosis and Service

Charging Systems Charging System Testing and Service

Lighting Circuits Lighting Circuits Repair and Diagnosis

Computer Input Sensor Diagnostic Routines

Vehicle Communication Networks Vehicle Multiplexing Diagnostics

Advanced Lighting Circuits Advanced Lighting Systems Diagnosis and Service

Instrumentation and Warning Lamps and Warning Lamp System Diagnosis and Repair

Accessories Electrical Accessories Diagnosis and Repair

Radio Frequency and Infotainment Systems Servicing Radio Frequency and Infotainment Systems

Passive Restraint Systems Servicing Passive Restraint Systems

Vehicles With Alternative Power Sources Hybrid and High-Voltage System Service

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