Question 1

To view immobilizer codes a ________ must be used.

Accepted Answer

A)   generic scan tool
B)   factory scan tool
C)   factory test light
D)   Any of these, depending on the vehicleE) A) and B)
F) A) and C)

Question 2

The immobilizer module communicates with the PCM using ________.

Accepted Answer

A)   a serial data line
B)   FM radio waves
C)   a battery sender
D)   the key fobE) C) and D)
F) A) and B)

Question 3

A typical Chrysler immobilizer system is called ________.

Accepted Answer

A)   Passlock
B)   SKIS
C)   VATS
D)   PATSE) All of the above
F) C) and D)

Question 4

Diagnosing an immobilizer requires the use of ________ and accurate service information.

Accepted Answer

A)   a locksmith
B)   jumper wires
C)   a key code writing device
D)   a scan toolE) A) and D)
F) B) and C)

Question 5

What can occur if the immobilizer system is not working as designed?

Accepted Answer

A)   The engine cranks but does not start
B)   The engine starts but then almost immediately stalls
C)   No crank condition (the starter does not operate) 
D)   Any of the aboveE) None of the above
F) B) and C)

Question 6

How is data transmitted between the key and the steering column (lock cylinder) ?

Accepted Answer

A)   Transferred from the key to the BCM using a small transmitter in the key
B)   Transmitted from the key to the vehicle using the battery inside the key
C)   By inductive coupling
D)   By electrical contacts inside the lock cylinderE) A) and C)
F) A) and B) C

Question 7

If an immobilizer-related fault occurs, what symbol is likely to be displayed on the dash?

Accepted Answer

A)   "IM"
B)   The "check engine" light
C)   A padlock symbol
D)   The "service engine soon" lightE) A) and B)
F) B) and C) C

Question 8

The vehicle security transceiver antenna may be located ________.

Accepted Answer

A)   under the passenger seat
B)   on the rear window defogger grid
C)   in the console
D)   at the key lock cylinderE) A) and B)
F) C) and D)

Question 9

A typical Ford immobilizer system is called ________.

Accepted Answer

A)   Passlock
B)   VATS
C)   PATS
D)   SKISE) A) and D)
F) B) and C)

Question 10

If an immobilizer-related module is replaced, what needs to be performed?

Accepted Answer

A)   The key(s)  will need to be replaced to match the new module.
B)   The module will need to be programmed with the security information to be able to function with the existing key.
C)   All of the immobilizer-related modules need to be replaced at the same time so they will all work together.
D)   Any of the above, depending on the make, model, and year of vehicle.E) All of the above
F) B) and C)

Question 11

Some Ford security system keys can be programmed using ________.

Accepted Answer

A)   one original key
B)   a lock programmer
C)   two programmed keys
D)   a door lock keyE) A) and B)
F) A) and D)

Question 12

What is the purpose and function of an immobilizer system?

Accepted Answer

A)   Only allows the use of the ignition key that is properly matched to the lock cylinder
B)   Prevents the vehicle from starting or running if the correct key is not used
C)   To prevent entry inside the vehicle
D)   Requires that the driver enter a password to start the vehicleE) A) and D)
F) B) and C)

Question 13

A General Motors Passkey III system has the transponder located in the ________.

Accepted Answer

A)   cylinder coil
B)   head of the key
C)   lock magnets
D)   key fobE) A) and B)
F) A) and C)

Question 14

What will happen if a fault occurs in the immobilizer system when the engine is running?

Accepted Answer

A)   The security light will come on and the engine will shut off
B)   The engine will run at reduced power
C)   The security light will come on but the engine will not be shut off
D)   None of theseE) C) and D)
F) All of the above

Question 15

An immobilizer fault may occur if the ________.

Accepted Answer

A)   key is exposed to any kind of magnetic field
B)   key gets wet
C)   key is dropped onto a hard surface
D)   Any of the aboveE) A) and B)
F) A) and C)

Question 16

What does the battery in the key fob power?

Accepted Answer

A)   The remote keyless entry (RK
E)   transmitter
B)   Both the remote keyless entry and the immobilizer circuit
C)   The shock sensor
D)   The immobilizer circuitE) C) and D)
F) B) and C) A

Question 17

To prevent an unauthorized scanning of the vehicle security ID number, the code ________ with each use of the system.

Accepted Answer

A)   changes
B)   is reversed
C)   is erased
D)   is incremented by 1E) A) and C)
F) B) and C)

Question 18

Tamper mode is when what occurs?

Accepted Answer

A)   The engine will start and run as normal except that the security warning light on the dash will be on all the time.
B)   The security lamp flashes about once per second if the system detects a bad key, lock cylinder, or security-related wiring problem. The engine will not start or if it does start, will not continue to run.
C)   The security dash lamp comes on for 2 to 5 seconds for a bulb check when the ignition is turned on, then goes out.
D)   Any of the above, depending on the make, model, and year of the vehicle.E) B) and C)
F) All of the above

Question 19

A shock sensor is part of the vehicle ________ system.

Accepted Answer

A)   speed sensor
B)   fuel injection
C)   content theft protection
D)   immobilizerE) A) and C)
F) A) and D)

Question 20

Immobilizer diagnostic trouble codes are often found under what area?

Accepted Answer

A)   Engine-related "P" codes
B)   Body-related "B" codes
C)   Chassis related "C" codes
D)   Either B or CE) A) and C)
F) A) and B)

Exam 12: Immobilizer Systems

To view immobilizer codes a ________ must be used.

Correct AnswerverifiedShow Answer

The immobilizer module communicates with the PCM using ________.

Correct AnswerverifiedShow Answer

A typical Chrysler immobilizer system is called ________.

Correct AnswerverifiedShow Answer

Diagnosing an immobilizer requires the use of ________ and accurate service information.

Correct AnswerverifiedShow Answer

What can occur if the immobilizer system is not working as designed?

Correct AnswerverifiedShow Answer

How is data transmitted between the key and the steering column (lock cylinder) ?

Correct AnswerverifiedC

If an immobilizer-related fault occurs, what symbol is likely to be displayed on the dash?

Correct AnswerverifiedC

The vehicle security transceiver antenna may be located ________.

Correct AnswerverifiedShow Answer

A typical Ford immobilizer system is called ________.

Correct AnswerverifiedShow Answer

If an immobilizer-related module is replaced, what needs to be performed?

Correct AnswerverifiedShow Answer

Some Ford security system keys can be programmed using ________.

Correct AnswerverifiedShow Answer

What is the purpose and function of an immobilizer system?

Correct AnswerverifiedShow Answer

A General Motors Passkey III system has the transponder located in the ________.

Correct AnswerverifiedShow Answer

What will happen if a fault occurs in the immobilizer system when the engine is running?

Correct AnswerverifiedShow Answer

An immobilizer fault may occur if the ________.

Correct AnswerverifiedShow Answer

What does the battery in the key fob power?

Correct AnswerverifiedA

To prevent an unauthorized scanning of the vehicle security ID number, the code ________ with each use of the system.

Correct AnswerverifiedShow Answer

Tamper mode is when what occurs?

Correct AnswerverifiedShow Answer

A shock sensor is part of the vehicle ________ system.

Correct AnswerverifiedShow Answer

Immobilizer diagnostic trouble codes are often found under what area?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
C

Correct Answer
verified
C

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
A

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified