With TOYOTA Hand-Held Tester
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 DTCs, note them down (For opening instructions, see the hand-held tester's instruction book.).
e. See DTC Charts to confirm the details of the DTCs.