Matching Ecu To Loom?

[blessed6383 0]

is there any way of matching an ECU to its loom?

 

i think i have the wrong ECU for my loom as im getting a constant live to my starter motor and the auto electrician seems to think it could be down to the wrong ecu.

 

I have a 2 row ecu plug, the ECU is a delimited 1.6gti ECU but i am unaware of which loom is fitted as the car was bought in pieces

cheers for any advice

[Anthony 1,003]

Did you actually check whether the ignition and starter wires were the correct way around on the underdash brown multiplugs as advised in a previous topic? That's the usual cause of this issue when people swap looms as Peugeot changed the order of the wires between Phase 1.5 and Phase 2 cars.

[blessed6383 0]

well i will try swapping them round which ones will it be tho as there are 4 wires coming off the ignition switch? cheers for the advice ant

 

i have 2 yellows 1 red and 1 orange

Edited May 31, 2010 by blessed6383

[Anthony 1,003]

Nothing to do with the ignition switch. The two brown multiplugs underneath the dash that connect the engine loom to the interior loom.

 

There's a fat red wire (#2) with is ignition (there may also be a thin yellow wire in the same hole - move this too if there is), and a fat light blue wire (#46) which is the starter. One will be on the smaller 6 pin block, and one will be in the larger 9 pin block.

 

You can tell by looking if it's right or not - should go red to red and blue to blue on each side of the loom if it's right, and not red-blue and blue-red (which will give the issues you're suffering)

[blessed6383 0]

mate ur a diamond cheers this may just have solved the issue of me going bold at 27 hahaha will give it a go and let you know how i get on

[blessed6383 0]

sorted ant thanks for the info been trying to get this sorte for last 2 weeks

[welshpug 1,666]

http://forum.205gtidrivers.com/index.php?s...=120230&hl=

 

[blessed6383 0]

http://forum.205gtidrivers.com/index.php?s...=120230&hl=

 

 

lol ahhh but if i didnt know the 2 wires how could i swap them round? i could of made it even worse then, even the auto electrician couldnt figre it out and i was unaware there were different looms fitted to the 205 gti's but i guess now i know lol

[dee205 3]

Just out of interest. Why are you using the GTi ecu? Have you thought about getting rid of the Jetronic for the better running Motronic system? Not throwing a spanner in the works or anything! I have a spare 2 row Mi16 ecu sitting here too.

[blessed6383 0]

Just out of interest. Why are you using the GTi ecu? Have you thought about getting rid of the Jetronic for the better running Motronic system? Not throwing a spanner in the works or anything! I have a spare 2 row Mi16 ecu sitting here too.

 

yer will be swapping to the mi16 loom and ECU when i get my hands on some 45's as just trying to get it up and running this summer 1st and funds are a bit tight, the mi16 ecu wont run on the gti loom will it?

[dee205 3]

I can imagine the pins would be all different. Besides there is alot of differences. Mi16 uses tdc. GTi uses the dizzy. GTi uses the SAD for coldstart. Mi16 uses idle control valve. Someone correct me if I'm wrong but the MI16 ecu controls both spark and fuel whilst the GTi ecu is fuel only taking spark from the dizzy setup.......