Have Toyota Questions? Ask a Mechanic for Answers ASAP
im sorry i dont have any electrical wiring diagrams for this vehicle due to the age. i will open the question up and maybe another expert can help you..
Here are the diagnostics for the MIL.
The EFI computer is the main brain for the engine operations and without it, the engine would not start.
If it is faulty or not installed, there would be no Check engine light.