With Scan Tool

Diagnostic Tool
1. Key OFF.
2. Verify that the proper memory (EPROM) card is inserted into the diagnostic tool.
3. Connect the OBD II DLC cable and adapter 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 PCM.
7. Select DIAGNOSTIC FUNCTIONS.
8. Select CLEAR DIAGNOSTIC TROUBLE CODES.
9. To disconnect tool, turn key OFF and disconnect the diagnostic tool from the OBD II DLC and power supply.