OBD II Connector IdentificationMeets NATEF Task: (A8-A-4) Locate and interpret vehicle and major component identification

numbers. (P-1)

Name ______________________________________ Date ____________________________

Make/Model _____________________________ Year _________ Instructor’s OK

_____ 1. Check service information and check which cavities of the OBD II diagnostic link connector (DLC) have electrical (metal) terminals.

_____ 2. Use service information and determine the identification for each of the terminals.

1. ___________________________________

2. ___________________________________

3. ___________________________________

4. ___________________________________

5. ___________________________________

6. ___________________________________

7. ___________________________________

8. ___________________________________

9. ___________________________________

10. ___________________________________

11. ___________________________________

12. ___________________________________

13. ___________________________________

14. ___________________________________

15. ___________________________________

16. ___________________________________

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Retrieving OBD II Diagnostic Trouble CodesMeets NATEF Task: (A8-B-2) Diagnose the causes of emissions or driveability concerns with stored

or active diagnostic trouble codes; obtain, graph, and interpret scan tool data. (P-1)

Name ______________________________________ Date ____________________________

Make/Model _____________________________ Year _________ Instructor’s OK

A scan tool is required to retrieve diagnostic trouble codes from an OBD II vehicle. Every OBD II scan tool will be able to read all generic Society of Automotive Engineers (SAE) DTCs from any vehicle.

_____ 1. Retrieve the DTCs using a scan tool.

(Specify which scan tool was used = _______________.)

__________ __________ __________ __________ __________

_____ 2. If no DTCs are displayed, set a DTC by disconnecting a sensor such as the throttle position (TP) sensor and then starting and running the engine.

_____ 3. Did the scan tool display both a generic OBD II (Poxxx) code and a manufacturer’s specific DTC (P1xxx) code?

Yes ____ No ____

_____ 4. Clear the stored DTCs using the scan tool.

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OBD II Monitors StatusMeets NATEF Task: (A8-B-8 and A8-B-9) Describe the importance of running all OBDII monitors

for repair verification. (P-1)

Name ______________________________________ Date ____________________________

Make/Model _____________________________ Year _________ Instructor’s OK

_____ 1. Check service information for the specified procedures and test equipment needed to determine the status of the inspection and maintenance (I/M) monitors.

__________________________________________________________________

__________________________________________________________________

_____ 2. Connect a scan tool and check the status of the I/M monitors and list their status.

Monitor Status

____________________________ ____________________________________

____________________________ ____________________________________

____________________________ ____________________________________

____________________________ ____________________________________

____________________________ ____________________________________

_____ 3. Check service information and determine under what condition the vehicle must be driven to have the monitors run.

__________________________________________________________________

_____ 4. Based on the results, what is the necessary action? ____________________________

__________________________________________________________________

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