The TYTO-01 interface is designed to allow the user to replace the factory radio with an aftermarket radio in select 2001-up Toyota / Lexus vehicles and retain the use of the factory amplified sound system.
LEXUS
ES330 2004-2006
ES350 2007-2010
ES300 2002-2003
GX470 2003-2009
IS350 2006-2009
IS300 2002-2005
IS250 2006-2009
LS460 2007-2008
LS430 2001-2006
LX470 2001-2007
RX300 2001-2003
RX330 2004-2006
RX350 2007-2009
RX400H 2006-2008
SC430 2002-2010
NOTE – 2001 IS300 Can be used following the below note. The data wires are in the secondary plug not the primary plug. Pink of the TYTO-01 to pin 9 of the Lexus harness (red/blue) and blue/pink of the TYTO-01 to pin 10 of the Lexus harness(red/white).