Reading Diagnostic Trouble Codes

Multi-Use Tester (Scan Tool):

READING DIAGNOSTIC CODES
1. Connect a scan tool to the diagnostic connector.
2. Set the ignition switch to "ON".
3. Follow the scan tool manufacturer's instructions to access fault code memory.
4. Refer to the diagnostic codes chart to determine which device is causing the malfunction code.
5. Test and repair the offending components as necessary.
6. Clear the malfunction codes by using the "Erase Fault Code" selection provided in the scan tool's menu.
7. Road test the vehicle and recheck for newly stored diagnostic codes.