Symptom Diagnosis
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2003 Lexus SC 430, 2003 Lexus RX 300, 2003 Lexus LX 470, 2003 Lexus LS 430, and 2003 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.
When a Diagnostic Trouble Code (DTC) cannot be confirmed or problem cannot be confirmed in BASIC DIAGNOSTIC PROCEDURES article, find basic symptom. For example, vehicle engine will not start. Appropriate heading matching vehicle symptom is DOES NOT START. Listed under DOES NOT START are more specific conditions. Find specific condition which best describes vehicle malfunction. Perform checks in order given. DO NOT skip steps.
NOTE:
Even if a DTC is not set, this article may refer you to a test procedure for a specific DTC in appropriate SELF-DIAGNOSTICS article.
This article includes trouble shooting for the following symptoms: