You can find navigation wiring diagrams for your 1998 through 2000 Lexus at most Lexus dealerships. Lexus service manuals will have the diagrams and can be found at most local libraries.
Go to http://www.lexls.com/tutorials/ignition/sparkplugs.html
location of the ecu on 1993 Lexus LS400
The 1991 Lexus ls400 has a timing belt.
Remove the retaining ring from the top of your 1990 Lexus ignition switch. The ignition switch will slide out. Remove the wiring harness.
Where is the camshaft position sensor located on 1990 Lexus ls400?
LS400 fuel tank is metal.
The minimum rear brake rotor thickness on a 1996 Lexus LS400 is 15mm.
I did a Google search and the 1994 Lexus LS400 has a ( 22.5 U.S. gallon ) gas tank
The fuel capacity for a Lexus LS400 is 22.5-gallons. The low fuel light comes on when there are around 2-gallons of fuel left in the tank. The Lexus LS400 gets around 24-mpg on the open highway.
The key battery for the ls400 is PN# br1216 www.lextechautomotivellc.com
205x65R15
Look forward to a bill of over $2000! I had my 92 Lexus LS400 converted for $2,456! :(