CFL Automotive Security & Vehicle Lock Forensics

Question 1

What is the primary security function of a transponder chip embedded in an automotive ignition key?

Accepted Answer

To authenticate the key and permit the engine to start

Answer

The transponder chip communicates a unique rolling or fixed code to the vehicle's ECU, and the engine will not start unless the correct code is received.

Question 2

Which type of automotive lock mechanism uses flat, spring-loaded wafers as its primary tumbler components?

Accepted Answer

Wafer tumbler lock

Answer

Wafer tumbler locks use thin, flat wafers that must all align at the shear line simultaneously to allow cylinder rotation, and are commonly found in older vehicle door and ignition locks.

Question 3

In forensic locksmithing, what technique involves manipulating a key blank inside a lock to create a functional working key without the original?

Accepted Answer

Impressioning

Answer

Impressioning is the process of inserting a blank key, applying tension and motion so the tumblers mark the blank, then filing it based on those marks until a working key is produced.

Question 4

What is a 'steering column attack' in the context of automotive forensic investigation?

Accepted Answer

A method of bypassing the ignition lock by physically destroying the steering column housing

Answer

A steering column attack involves breaking or stripping the plastic or metal steering column housing to expose and bypass the ignition lock cylinder without a key.

Question 5

A 'valet key' in an automotive security system is specifically designed to do which of the following?

Accepted Answer

Start the engine and open doors while restricting access to locked storage areas

Answer

A valet key allows parking attendants to drive and access the vehicle while preventing entry into locked storage areas such as the trunk and glove compartment.

(CFL) Certified Forensic Locksmith Practice Test

(CFL) Certified Forensic Locksmith Practice Test

CFL Automotive Security & Vehicle Lock Forensics