With Manufacturer's Scan Tool
DTC CHECK (Using LEXUS hand-held tester)a. Prepare the LEXUS hand-held tester.
b. Connect the LEXUS hand-held to DLC3.
c. Turn the ignition switch ON and the LEXUS hand-held tester main switch ON.
d. Use the LEXUS hand-held tester to check the DTCs, note them down. (For opening instructions, see the LEXUS hand-held tester's instruction book).
e. See Trouble Code Description to confirm the details of the DLC3.