Using Lexus Scan Tool
Connect scan tool to 16-pin Data Link Connector No. 3 (DLC3) , located under left side of instrument panel. Turn ignition on. Using scan tool screen prompts, retrieve DTCs. Identify DTC and perform appropriate diagnostic test. See DIAGNOSTIC TROUBLE CODE IDENTIFICATION table. After replacing or repairing malfunctioning components, clear DTCs. See CLEARING DIAGNOSTIC TROUBLE CODES .