Does the EVAP close valve use the same ground from the ECM as the fuel pump? I need engine wiring diagrams

RD66

MEMBER
2008 KIA SPECTRA
2.0L
4 CYL
2WD
MANUAL
160,000 MILES

ECM ground distribution. Is there a ground distribution diagram for the ECM? I need engine wiring diagrams

Monday, May 2nd, 2022 AT 9:36 PM

5 Replies

KEN L

MASTER CERTIFIED MECHANIC
42,940 POSTS

No, they do not, the fuel pump ground is under the rear seat while the ECM ground is under the dash on the left side here are the engine wiring diagrams so you can see what I am talking about and how the system works.

This guide can help you check 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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Tuesday, May 3rd, 2022 AT 6:13 PM

RD66

MEMBER
61 POSTS

Doesn't the close valve get ground from the ECM?

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Tuesday, May 3rd, 2022 AT 7:12 PM

KEN L

MASTER CERTIFIED MECHANIC
42,940 POSTS

Sorry yes it does, the PCM closes the ground, does the valve have power with the key on? If not check the injector fuse 15 amp. Here is a guide to help:

https://www.2carpros.com/articles/how-to-check-a-car-fuse

and the fuse location in the diagrams below. Check out the diagrams (below). Please let us know what happens.

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