Deck 11: Global Obd Ii and Mode 06

Question 1

What is global (generic) OBD-II?

A) Same for all numbers and models of vehicles
B) Format originally designed for engineers
C) Standardized format that meets SAE standard J1962
D) All of the above

Answer 1

D

Question 2

Mode $06 can be used to verify a repair by checking ________.

A) a captured freeze-frame
B) DTCs
C) the component system test passed
D) sensor values

Answer 2

C

Question 3

Mode $06 is the mode that checks which of these systems?

A) Oxygen sensors
B) Noncontinuously monitored systems
C) Continuously monitored systems
D) Current powertrain data (PID)

Answer 3

B

Question 4

When using mode $06 to diagnose a problem, when should the technician access the mode $06 data?

A) During a snap-throttle
B) Before starting the repair
C) During a test drive
D) During the repair

Question 5

Technician A says that by looking at the mode $06 data, the technician can determine how close a component or system came to passing the onboard test. Technician B says that the data shown may have to be converted to obtain values that are meaningful to the technician. Which technician is correct?

A) Technician A only
B) Technician B only
C) Both technicians A and B
D) Neither technician A nor B

Question 6

Which of the following scan tools would NOT be used to access global OBD-II information?

A) Master Tech
B) GM Tech 2
C) Snap-On Modis
D) OTC Genisys

Question 7

An oxygen sensor switch time from rich to lean is identified as test identification (TID) ________.

A) $0A
B) $05
C) $09
D) $06

Question 8

How can permanent DTCs be cleared from the PCM?

A) Only with a generic scan tool
B) Push the DTC reset button
C) Disconnect the battery
D) Drive the vehicle after the repair

Question 9

A General Motors vehicle is being checked using mode $06 for the proper operation of the oxygen sensor. The rich-to-lean sensor switch time is 0.030 seconds. Technician A says that this indicates a slow-reacting oxygen sensor. Technician B says that the oxygen sensor is reacting correctly and is okay. Which technician is correct?

A) Technician A only
B) Technician B only
C) Both technicians A and B
D) Neither technician A nor B

Question 10

Mode $06 information can be accessed at ________.

A) http://www.nastf.org
B) http://service.gm.com
C) http://www.motorcraftservice.com
D) All of the above

Question 11

The hexadecimal number for 12 is ________.

A) $C
B) $B
C) $A
D) 12

Question 12

The data display usually shows what information?

A) Upper limit and lower limit
B) Test results
C) Upper limit or lower limit
D) Both B and C

Question 13

Type A misfire codes are those that can damage the catalytic converter and usually have misfires that range from ________ at idle to ________ at high engine speeds.

A) 25%, 25%
B) 40%, 4%
C) 10%, 20%
D) 2%, 4%

Question 14

The hexadecimal number for 6 is ________.

A) $6
B) $C
C) $A
D) 6

Question 15

Mode eight is the mode that checks which of these systems?

A) All continuously monitored systems
B) Bidirectional control of onboard systems
C) Oxygen sensors
D) Module identification

Question 16

An oxygen sensor Maximum Sensor Voltage for Test Cycle is identified as test identification (TID) ________.

A) $09
B) $05
C) $010
D) $08

Question 17

An oxygen sensor switch time from lean to rich is identified as test identification (TID) ________.

A) $06
B) $0A
C) $09
D) $05

Question 18

Which of these Global OBD-II modes is used to clear and reset diagnostic trouble codes (DTCs), freeze-frame data, and readiness status monitors for noncontinuous monitors only?

A) Mode 4
B) Mode 1
C) Mode 2
D) Mode 3

Question 19

Type "B" misfire codes are set if the misfire exceeds ________ to ________, depending on the engine, make, model, and year.

A) 25%, 55%
B) 1%, 2%
C) 5%, 8%
D) 2%, 4%

Question 20

Technician A says that by looking at the mode $06 data, the technician can check the monitor status before starting repairs. Technician B says that you can look at the component or parameter that triggered the fault. Which technician is correct?

A) Technician A only
B) Technician B only
C) Both technicians A and B
D) Neither technician A nor B

Question 21

An estimated ________ of the PCM DTCs can be diagnosed using the global OBD II function of the scan tool.

A) 30%
B) 70%
C) 80%
D) 20%

Question 22

Technician A says that noncontinuous monitors include catalyst efficiency, EGR, EVAP, oxygen sensor monitors, oxygen sensor heater, secondary air injection (SAI), and thermostats. Technician B says that mode $04 is used by service technicians to monitor the PCM test results of various systems. Which technician is correct?

A) Technician A only
B) Technician B only
C) Both technicians A and B
D) Neither technician A nor B

Question 23

Technician A says that some scan tools translate the raw hexadecimal data into English, using software and a PC. Technician B says that this system makes the data easy to read. Which technician is correct?

A) Technician A only
B) Technician B only
C) Both technicians A and B
D) Neither technician A nor B