For access to J-2534 Information on the Toyota/Scion/Lexus service information website:
- Under "What is TIS", click on "Scan tools and Vehicle Programming".
- Click on "J2534 Reprogramming".
Reprogramming is only performed if a Technical Service Bulletin or Service Campaign provides direction to do so. Flash reprogramming can be accomplished using a scantool or a PC and a "Toyota validated" J2534-1 interface.
NOTE: The Toyota Diagnostic Tester is no longer supported and replacement parts are not available from Toyota. The last software release for the Toyota Diagniostic Tester was version 14.1 and was issued in April 2007. Version 14.1 will provide diagnostic support through the 2007 Model Year and reprogramming support for calibration files released up to April 2007.
Go to techinfo.toyota.com or techinfo.lexus.com and follow the link entitled Scan Tools & Vehicle Reprogramming. TOYOTA RECOMMENDS USING ONLY VALIDATED INTERFACES THAT APPEAR ON THIS LIST.