Trouble Shooting: Notes
WARNING: This page is about a different car, the 1993 Lexus SC 400. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Only perform trouble shooting after performing appropriate test and vehicle is still malfunctioning.
All voltage and resistance checks are done under various conditions with theft deterrent ECU connectors disconnected. For theft deterrent ECU connector identification, see Figure. Measure voltage or resistance between theft deterrent ECU connector terminals as specified. If voltage or resistance is not as specified, repair vehicle wire harness or replace components as necessary.