Question 1

What is Mode 2 is referred to as?

Accepted Answer

Mode 2 is referred to as Freeze Frame Data Access mode.

Question 2

OBD II provides a universal OBD 16-pin DLC for all manufacturers' vehicles since 1990.

Accepted Answer

A) True 
 B)False  False

Question 3

What does Mode 7 allow a scan tool to request?

Accepted Answer

Mode 7 allows a scan tool to request the latest information on the OBD monitoring test results for continuous monitoring systems.

Question 4

The SAE set forth what method to identify DTCs in an OBD II system?

Accepted Answer

The method used to identify a

Question 5

On an OBD II scan tool, what is Mode 6, and what does it display?

Accepted Answer

Mode 6 allows a scan tool to request the

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

OBD II was mandated by the Federal Environmental Protection Agency to be installed on all passenger vehicles beginning with what model year?

Accepted Answer

A)  1990 
B)  1996 
C)  2000 
D)  2002 
A)  1990 
B)  1996 
C)  2000 
D)  2002

Question 8

OBD II regulations require vehicle manufacturers to use the same terms for the same type of components on all manufacturers' vehicles.

Accepted Answer

A) True 
 B)False

Question 9

What were major shortfalls of the first-generation OBD systems regarding terminology and trouble code identification?

Accepted Answer

Two of the major shortfalls of

Question 10

What is an OBD II warm-up cycle, and how is it defined?

Accepted Answer

An OBD II warm-up cycle is def

Question 11

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

Question 12

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

Accepted Answer

The FTP is a set of tests conducted by v

Question 13

When a DTC is set, the PCM also stores the operating parameters of the emission control system at the time of the event in a data program called:

Accepted Answer

A)  freeze frame 
B)  system readiness monitor 
C)  diagnostic trouble code 
D)  none of the above 
A)  freeze frame 
B)  system readiness monitor 
C)  diagnostic trouble code 
D)  none of the above

Question 14

Technician A says that the DLC may be located under the hood on an OBD II vehicle. Technician B says that the DLC may be located anywhere that the manufacturer chooses on an OBD II vehicle. Who is correct?

Accepted Answer

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

Question 15

Technician A says that all P1XXX DTCs are for manufacturers' specific diagnostic trouble codes. Technician B says that all P0XXX DTCs are for generic diagnostic trouble codes. Who is correct?

Accepted Answer

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

Question 16

What conditions must be present for an OBD II system to illuminate the malfunction indicator light for a component problem?

Accepted Answer

The MIL will only be illuminat

Question 17

ODB II DLC has dedicated pin assignments and location based on SAE standard J1962.

Accepted Answer

A) True 
 B)False

Question 18

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

Accepted Answer

The Clean Air Act (CAA) of 199

Question 19

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

Accepted Answer

The PCM will turn the MIL off if the cod

Question 20

OBD II provides a universal OBD 16-pin DLC for all vehicles manufactured for the U.S. market since 1996.

Accepted Answer

A) True 
 B)False

What is Mode 2 is referred to as?

OBD II provides a universal OBD 16-pin DLC for all manufacturers' vehicles since 1990.

What does Mode 7 allow a scan tool to request?

The SAE set forth what method to identify DTCs in an OBD II system?

On an OBD II scan tool, what is Mode 6, and what does it display?

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

OBD II was mandated by the Federal Environmental Protection Agency to be installed on all passenger vehicles beginning with what model year?

OBD II regulations require vehicle manufacturers to use the same terms for the same type of components on all manufacturers' vehicles.

What were major shortfalls of the first-generation OBD systems regarding terminology and trouble code identification?

What is an OBD II warm-up cycle, and how is it defined?

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

When a DTC is set, the PCM also stores the operating parameters of the emission control system at the time of the event in a data program called:

Technician A says that the DLC may be located under the hood on an OBD II vehicle. Technician B says that the DLC may be located anywhere that the manufacturer chooses on an OBD II vehicle. Who is correct?

Technician A says that all P1XXX DTCs are for manufacturers' specific diagnostic trouble codes. Technician B says that all P0XXX DTCs are for generic diagnostic trouble codes. Who is correct?

What conditions must be present for an OBD II system to illuminate the malfunction indicator light for a component problem?

ODB II DLC has dedicated pin assignments and location based on SAE standard J1962.

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

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

OBD II provides a universal OBD 16-pin DLC for all vehicles manufactured for the U.S. market since 1996.

Emissions and Engine Performance Overview

Basic Theories

On Board Diagnostic Scanners and Digital Storage Oscilloscopes

Computers and Input Sensors

Ignition System and Related Input Sensors Output Actuators Diagnosis

Fuel System and Related Input Sensors Output Actuators Diagnosis

Emission Control and Evaporative Systems

Strategies of on Board Diagnostic Continuous Monitors

Strategies of on Board Diagnostic Non Continuous Monitors

I M Failure Diagnosis and Five Gas Exhaust Analysis

Filters

Exam 3: History of on Board Diagnostics Obd

What is Mode 2 is referred to as?

OBD II provides a universal OBD 16-pin DLC for all manufacturers' vehicles since 1990.

What does Mode 7 allow a scan tool to request?

The SAE set forth what method to identify DTCs in an OBD II system?

On an OBD II scan tool, what is Mode 6, and what does it display?

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

OBD II was mandated by the Federal Environmental Protection Agency to be installed on all passenger vehicles beginning with what model year?

OBD II regulations require vehicle manufacturers to use the same terms for the same type of components on all manufacturers' vehicles.

What were major shortfalls of the first-generation OBD systems regarding terminology and trouble code identification?

What is an OBD II warm-up cycle, and how is it defined?

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

When a DTC is set, the PCM also stores the operating parameters of the emission control system at the time of the event in a data program called:

Technician A says that the DLC may be located under the hood on an OBD II vehicle. Technician B says that the DLC may be located anywhere that the manufacturer chooses on an OBD II vehicle. Who is correct?

Technician A says that all P1XXX DTCs are for manufacturers' specific diagnostic trouble codes. Technician B says that all P0XXX DTCs are for generic diagnostic trouble codes. Who is correct?

What conditions must be present for an OBD II system to illuminate the malfunction indicator light for a component problem?

ODB II DLC has dedicated pin assignments and location based on SAE standard J1962.

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

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

OBD II provides a universal OBD 16-pin DLC for all vehicles manufactured for the U.S. market since 1996.

Emissions and Engine Performance Overview

Basic Theories

On Board Diagnostic Scanners and Digital Storage Oscilloscopes

Computers and Input Sensors

Ignition System and Related Input Sensors Output Actuators Diagnosis

Fuel System and Related Input Sensors Output Actuators Diagnosis

Emission Control and Evaporative Systems

Strategies of on Board Diagnostic Continuous Monitors

Strategies of on Board Diagnostic Non Continuous Monitors

I M Failure Diagnosis and Five Gas Exhaust Analysis

Filters