ECU electrical diagram needed?

ANDRIN ATEM

MEMBER
2004 MERCEDES BENZ C200
18,976 MILES

I have no current going into the ECU. Please can I have a chat diagram for the ECU pin out, electrical diagram to follow the ECU voltage. Thanks

Tuesday, December 29th, 2020 AT 6:02 AM

1 Reply

KEN L

MASTER CERTIFIED MECHANIC
42,840 POSTS

Here is the ECU and engine wiring diagrams which show the fuse and grounds to make sure the system is powered and grounded correctly with a guide to help you test the wiring as well.

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

Check out the diagrams (below). Let us know what happens and please upload pictures or videos of the problem.

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