If you need to hook up a diagnostic code reader or scanner to your Lexus you will need to know where the diagnostic port is located. Here we have all Lexus diagnostic port pictures which should tell you straight away where to look. A diagnostic port is also known as an OBD2 port or EOBD port which is used for the purpose of communicating with a vehicle to diagnose faults or reprogram modules within the vehicle. The diagnostic port is a direct link to the Lexus ECU.

Lexus LS
Lexus LS XF10 1st generation OBD2 diagnostic port location (1990 - 1994)
Lexus LS XF20 2nd generation OBD2 diagnostic port location (1995 - 2000)
Lexus LS XF30 3rd generation OBD2 diagnostic port location (2001 - 2006)
Lexus LS XF40 4th generation OBD2 diagnostic port location (2007 -

Lexus IS
Lexus IS XE10 1st generation OBD2 diagnostic port location (1998 - 2005)
Lexus IS XE20 2nd generation OBD2 diagnostic port location (2006 - 2013)
Lexus IS XE30 3rd generation OBD2 diagnostic port location (2014 -

Lexus GS
Lexus GS S140 1st generation OBD2 diagnostic port location (1991 - 1996)
Lexus GS S160 2nd generation OBD2 diagnostic port location (1997 - 2005)
Lexus GS S190 3rd generation OBD2 diagnostic port location (2005 - 2011)
Lexus GS L10 4th generation OBD2 diagnostic port location (2011 -

Lexus RX
Lexus RX XU10 1st generation OBD2 diagnostic port location (1997 - 2003)
Lexus RX XU30 2nd generation OBD2 diagnostic port location (2003 - 2009)
Lexus RX AL10 3nd generation OBD2 diagnostic port location (2010 - 2015)
Lexus RX AL20 4th generation OBD2 diagnostic port location (2015 - 

Lexus RC
Lexus RC 1st generation OBD2 diagnostic port location (2014 -

Lexus NX 
Lexus NX 1st generation OBD2 diagnostic port location (2015