Diagnosis System
WARNING: This page is about a different car, the 2011 Lexus IS F. However, it is still accessible from the selected car via links, so may be relevant.
- DESCRIPTION
The main body ECU RH (cowl side junction block RH) stores trouble codes if a vehicle malfunction occurs.
The diagnostic system allows for reading of the trouble codes from the DLC3 using the Techstream.
Use the Techstream to check and solve the problem.
- CHECK DLC3
- Check the DLC3. Refer to GENERAL INFORMATION .