Using Scan Tool
WARNING: This page is about a different car, the 2003 Lexus LS 430, 2002 Lexus LS 430, and 2001 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.
- Hook up LEXUS hand-held tester to the (DLC3). See Fig 1.
- Turn the ignition switch to ON. Read the DTCs by following the prompts on the tester screen. Refer to operator's manual for further details.
- If no DTCs exist, repair by symptom. See SYMPTOM INDEX table under SYSTEM TESTS.