Question 1

The two main categories of OBD II monitors are the:

Accepted Answer

A)  KOEO and KOER 
B)  continuous and non-continuous 
C)  emissions and non-emissions 
D)  related and non-related

Question 2

OBD II systems are highly efficient and only illuminate the malfunction indicator light when an emissions failure has occurred that will raise emission levels above 1.5 times the FTP levels.

Accepted Answer

A) True 
 B)False

Question 3

What is the Federal Test Procedure (FTP) and what is it intended to simulate?

Accepted Answer

The answer of What is the Federal Test Procedure (FTP)...

Question 4

What is Mode 2 is referred to as?

Accepted Answer

The answer of What is Mode 2 is referred to...

Question 5

OBD II systems have been developed to utilize a common set of diagnostic test modes that are accessible with a generic diagnostic scan tool.

Accepted Answer

A) True 
 B)False

Question 6

A generic OBD II diagnostic scan tool cannot access DTCs on all OBD II vehicles.

Accepted Answer

A) True 
 B)False

Question 7

A drive cycle refers to a trip in which the operating parameters required for the PCM to run OBD II emissions-related monitors have been met.

Accepted Answer

A) True 
 B)False

Question 8

What are some of the features of the universal OBD II DLC incorporated into all manufacturers' cars and light trucks?

Accepted Answer

The answer of What are some of the features of...

Question 9

Technician A says that the DLC on an OBD II vehicle has 18 pins. Technician B says that the pin assignment for the DLC on an OBD II vehicle has not changed since 1996. Who is correct?

Accepted Answer

A)  A only 
B)  B only 
C)  both A and B 
D)  neither A nor B

Question 10

What SAE standard determines where automotive manufacturers can place the DLC?

Accepted Answer

The answer of What SAE standard determines where automotive manufacturers...

Question 11

What is the relationship between an OBD II drive cycle and an OBD II trip?

Accepted Answer

The answer of What is the relationship between an OBD...

Question 12

OBD II does not require the inclusion of freeze frame data.

Accepted Answer

A) True 
 B)False

Question 13

Technician A says not all manufacturers provide freeze frame data.Technician B says one of the mandated features of OBD II is the inclusion of freeze frame data. Who is correct?

Accepted Answer

A)  A only 
B)  B only 
C)  both A and B 
D)  neither A nor B

Question 14

What were two of the major shortfalls of the first-generation OBD systems?

Accepted Answer

The answer of What were two of the major shortfalls...

Question 15

What did the Clean Air Act (CAA) of 1990 require vehicles sold in the United States to be equipped with?

Accepted Answer

The answer of What did the Clean Air Act (CAA)...

Question 16

What conditions are required in order for the MIL be turned off on an OBD II vehicle?

Accepted Answer

The answer of What conditions are required in order for...

Question 17

The Clean Air Act of 1990 required that vehicles sold in the United States be equipped with what feature?

Accepted Answer

The answer of The Clean Air Act of 1990 required...

Question 18

On an OBD II vehicle, when the ignition key is on and the engine is not running, the MIL should:

Accepted Answer

A)  be off 
B)  be illuminated 
C)  flash and then go out 
D)  be flashing

Question 19

List the three objectives of OBD II?

Accepted Answer

The answer of List the three objectives of OBD II?...

Question 20

OBD II systems are highly efficient and only illuminate the malfunction indicator light (MIL) when an emissions failure has occurred that will raise emission levels 50 percent above the FTP levels.

Accepted Answer

A) True 
 B)False

Exam 3: History of On-Board Diagnostics Obd

The two main categories of OBD II monitors are the:

OBD II systems are highly efficient and only illuminate the malfunction indicator light when an emissions failure has occurred that will raise emission levels above 1.5 times the FTP levels.

What is the Federal Test Procedure (FTP) and what is it intended to simulate?

What is Mode 2 is referred to as?

OBD II systems have been developed to utilize a common set of diagnostic test modes that are accessible with a generic diagnostic scan tool.

A generic OBD II diagnostic scan tool cannot access DTCs on all OBD II vehicles.

A drive cycle refers to a trip in which the operating parameters required for the PCM to run OBD II emissions-related monitors have been met.

What are some of the features of the universal OBD II DLC incorporated into all manufacturers' cars and light trucks?

Technician A says that the DLC on an OBD II vehicle has 18 pins. Technician B says that the pin assignment for the DLC on an OBD II vehicle has not changed since 1996. Who is correct?

What SAE standard determines where automotive manufacturers can place the DLC?

What is the relationship between an OBD II drive cycle and an OBD II trip?

OBD II does not require the inclusion of freeze frame data.

Technician A says not all manufacturers provide freeze frame data.Technician B says one of the mandated features of OBD II is the inclusion of freeze frame data. Who is correct?

What were two of the major shortfalls of the first-generation OBD systems?

What did the Clean Air Act (CAA) of 1990 require vehicles sold in the United States to be equipped with?

What conditions are required in order for the MIL be turned off on an OBD II vehicle?

The Clean Air Act of 1990 required that vehicles sold in the United States be equipped with what feature?

On an OBD II vehicle, when the ignition key is on and the engine is not running, the MIL should:

List the three objectives of OBD II?

OBD II systems are highly efficient and only illuminate the malfunction indicator light (MIL) when an emissions failure has occurred that will raise emission levels 50 percent above the FTP levels.