2003 Lexus RX300 pinouts
The connector/pinout information may be applied to the Lexus (show all pinouts) model RX300
Lexus RX300 (1999-2003) Head Unit pinout for Lexus RX300 of 1999 - 2003 years P1714 PIONEER KEX-M9086zt (86120-48050)
Lexus RX300, RX330, RX350 (2003-2004) P3918 pinout for Lexus RX300 of 2003 - 2004 years Pioneer FX-MG8037zt (Toyota part № 86120-48350)