With Manufacturer's Scan Tool

a. Prepare the Hand-Held Tester.
b. Connect the hand-held tester to DLC3.
c. Turn the Ignition switch ON and switch the hand-held tester main switch ON.
d. Use the hand-held tester to check the DTC's, note them down. (For Opening instruction, see the hand-hand tester's instruction book.)
e. Trouble code Description to confirm the details of the DTC's.