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-   -   Engine off coasting on my matrix (https://ecomodder.com/forum/showthread.php/engine-off-coasting-my-matrix-14857.html)

Weather Spotter 10-13-2010 05:12 PM

Engine off coasting on my matrix
 
I want to be able to coast with the engine off but leave the ECU, dash, & scangauge on.

From my searching it looks like what I need to do is make a kill switch for my fuel injectors. I went digging through my low voltage scrap wire box and found a 12v 40A relay that came off a HID kit. It is designed as a normally open circuit but I think I can make that work bu using a normally closed momentary switch.

My issue is finding the Injector fuse, any idea as to which one that might be on a 2006 Matrix?

All I saw in the fuse box that might be it was a 20A EFI fuse and a corresponding EFI relay. No hint as to what EFI stands for.

Ideas?
Hints?

Daox 10-13-2010 05:19 PM

Yeah, that dash reboots slooow...

EFI is electronic fuel injection, but that circuit seems to contain a lot of stuff normally, likely the computer that controls all the dash stuff.

Weather Spotter 10-13-2010 05:22 PM

The dash does boot slowly.

There is a EFI 2 (15A) and and EFI (20A). Which one does what?

skyl4rk 10-13-2010 05:31 PM

Take the fuse out and see if the car starts.

Weather Spotter 10-13-2010 05:37 PM

that might work, but it will not tell me what else is on the circuit.

Weather Spotter 10-13-2010 07:28 PM

I did some searching for wiring diagrams. I found one for a 2003 matrix, my 06 should be similar but not exactly the same.

Anyone want to read these and give me a none EE description?
What does the EFI fuse do?

If these do not help I have 20 other pdf to sort through.

Page 1
http://i835.photobucket.com/albums/z...3at71530PM.jpg

Page 2+3
http://i835.photobucket.com/albums/z...3at71534PM.jpg

4+5
http://i835.photobucket.com/albums/z...3at71543PM.jpg

6+7
http://i835.photobucket.com/albums/z...3at71547PM.jpg

8+9
http://i835.photobucket.com/albums/z...3at71554PM.jpg

Thanks!

euromodder 10-13-2010 08:03 PM

Quote:

Originally Posted by Weather Spotter (Post 198759)
I want to be able to coast with the engine off but leave the ECU, dash, & scangauge on.

Don't they come back online when you turn the key back into its normal driving position (II) ?

If I put it back to II too fast, even the engine will come back on !

Weather Spotter 10-13-2010 08:49 PM

Dash does but I do not like power cycling the ECU. I do not think that the SC comes back on (or it takes a while).

Neddy Seagoon 10-13-2010 08:56 PM

All I do with my Vibe is to stick it in Neutral, turn the engine off with the key, wait a few sec's turn the engine power back on with out hitting the starter and coast. This way I still have power steering while coasting, then bump start it when it necessary. My ScanGauge is in Hybrid mode so that stays on, car will coast quite a way.

Neddy

Weather Spotter 10-13-2010 09:11 PM

Quote:

Originally Posted by Neddy Seagoon (Post 198807)
All I do with my Vibe is to stick it in Neutral, turn the engine off with the key, wait a few sec's turn the engine power back on with out hitting the starter and coast. This way I still have power steering while coasting, then bump start it when it necessary. My ScanGauge is in Hybrid mode so that stays on, car will coast quite a way.

Neddy

I will have to try this on one of my mile long coasts and see what happens, it has been a while since I tried this.


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