With Scan Tool

DIAGNOSIS SYSTEM





(a) Check the indicator.
When the ignition switch is turned ON, check that the TRAC OFF indicator light goes on for 3 seconds.

HINT: If the indicator check result is not normal, proceed to troubleshooting for the TRAC OFF indicator light circuit.

(b) Using the LEXUS hand-held tester, check the DTC.





(1) Hook up the LEXUS handheld tester.
(2) Turn the ignition switch ON.
(3) Read the DTC by following the prompts on the tester screen.

HINT: Please refer to the LEXUS hand-held tester operator's manual for further details.