complete circuit diagram of the engine with transmission?

2004 LEXUS ES 300

426,341 MILES • V6 • 2WD • AUTOMATIC

BLESSING EWOBOR

MEMBER
753 POSTS

The vehicle has been in a workshop and some technicians have worked on the vehicle. The vehicle is experiencing rngine misfire and most of the coil wires has been altered. Please could you help me with the complete circuit diagram of the engine with transmission to trace some of the wires.

Mar 21, 2023 at 7:26 AM

STRAILER

✓ASE Certified Mechanic
54,832 POSTS

No problem, here are the engine and transmission wiring diagrams and I have included a guide to help you test the connections.

https://www.2carpros.com/articles/how-to-check-wiring

Check out the images (below). Please let us know if you need anything else to get the problem fixed.

Images (Click to enlarge)

Professional Diagram for 2CarPros Members
Click here to log in and view diagram.

Mar 21, 2023 at 10:29 AM

BLESSING EWOBOR

MEMBER
753 POSTS

Thank you very much.
I really appreciate.

Mar 21, 2023 at 7:12 PM

STRAILER

✓ASE Certified Mechanic
54,832 POSTS

Good to hear, please use 2CarPros anytime we are here to help.

Mar 22, 2023 at 4:51 PM