With Manufacturer's Scan Tool
DTC CHECKNOTE:
Hand-held tester only:
When the diagnostic system is switched from the normal mode to the check mode, all the DTCs and freeze frame data recorded in the normal mode will be erased. So before switching modes, always check the DTCs and freeze frame data, and note them down.
Checking DTCs using the OBD II scan tool or hand-held tester.
1. Turn the ignition switch off.
2. Connect the OBD II scan tool or hand-held tester to DLC3.
3. Turn the ignition switch to the ON position.
4. Use the OBD II scan tool or hand-held tester to check the DTCs and freeze frame data and note them down (For operating instructions, see the OBD II scan tool's instruction book).
5. See Trouble Code Descriptions to confirm the details of the DTCs.