Clearing Diagnostic Trouble Codes

Clearing DTCs
1. Key off.
2. Verify that the proper memory (diagnostic) card is inserted into the diagnostic tool.
3. Connect the OBD II DLC cable to the diagnostic tool.
4. Connect the OBD II DLC cable securely into the vehicle OBD II DLC.
5. Connect the diagnostic tool power supply cable to the vehicle.
6. Key on or start vehicle if necessary. The diagnostic tool is ready to communicate with the vehicle AFCM.
7. Select VEHICLE & ENGINE SELECTION (OPTIONAL).
8. Select NEW VEHICLE YEAR & MODEL (OPTIONAL).
9. Select DIAGNOSTIC DATA LINK.
10. Select AFCM-ALTERNATE FUEL CTRL MODULE.
- This module supports some DTCs and PIDs which appear similar to the PCM but may have an entirely different meaning.
11. Select DIAGNOSTIC TEST MODES.
12. Select RETRIEVE/CLEAR CONTINUOUS DTCs.
13. Select CLEAR.
14. To disconnect the tool, turn key OFF and disconnect diagnostic tool from the OBD II DLC and power supply.