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Author Topic: Vvt and egt pin location for 1.8t ecu  (Read 1992 times)
bororobbo
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« on: June 11, 2018, 02:41:44 PM »

Hi all, I’m in the process of converting my 1.8t ajq from ko3s (originally ko3) to k04 and the ecu from narrowband to wideband I have wired in my 02 sensor plug to the 4 existing wires and added 2 wires to the relevant pins on the ecu. However I cannot find anywhere the pin locations to wire in the egt sensor or the vvt solenoid. If anyone knows the locations or has a full pinout I would be much appreciated.
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dal
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« Reply #1 on: June 12, 2018, 06:43:08 AM »

In september 2017 I made the wideband convertion in my car too, same thing, 2 more wires for O2 wideband sensor, changed the MAF sensor (from final D to L), and its perfect.
I wanna install VVT too, but I didnt find an schematic yet Sad.
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Audi A3 8L
1984cc stroker - E100 - ME7 wideband converted - 400whp target
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bororobbo
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« Reply #2 on: June 13, 2018, 03:17:42 AM »

i have full conversion and full k04 kit inc maf egt ect and i have a vvt tensioner sat here and plenty of plugs and wiring lol, if we could find a full pinout of our ecu's it would be great!
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jjuuaannk
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« Reply #3 on: June 13, 2018, 03:58:25 PM »

hello, I just know that the EGT goes on pin 61 of the ecu
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eliotroyano
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« Reply #4 on: June 13, 2018, 05:53:34 PM »

Maybe this info can help you.
« Last Edit: June 13, 2018, 05:55:40 PM by eliotroyano » Logged
eliotroyano
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« Reply #5 on: June 13, 2018, 05:54:41 PM »

I forgot to add this one too.
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dal
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« Reply #6 on: June 14, 2018, 05:01:42 AM »

Wow. This PDFs are gold!!
VVT, EGT, CC, all info there. Thanks!!
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Audi A3 8L
1984cc stroker - E100 - ME7 wideband converted - 400whp target
Instagram: @a3stroker
bororobbo
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« Reply #7 on: June 14, 2018, 08:23:54 AM »

Brilliant information. Them pdfs are awesome. Thank you very much.
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bororobbo
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« Reply #8 on: June 15, 2018, 04:27:32 AM »

im not the greatest with wiring diagrams but from what i think i can read on page 6 of the bam pdf the egt is pin 1 on plug to pin 61 on ecu then the next bit slightly confuses me is it pin 2 on plug to pin 91 then pin 3 on plug to pin 109 on ecu? i understand that vvt is pin 1 goes to the 15a wire in the dash harness and pin 2 goes to pin 115 in the ecu. any help to simplify the location i need to trace the wire to would be great as i am creating a proper me7.5 dbw narrowband to wideband guide with all the pinout and wiring locations for 02 harness, vvt and egt, what hardware needs changing etc. i would be happy to post the guide up on here afterwards for people to scrutinize lol. Many thanks again.
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dal
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« Reply #9 on: June 16, 2018, 05:13:00 AM »




N205 (VVT actuator) pin 2 is straight forward. Goes to pin 115 on the ECU's 121-pin connector.
But I didn't understand pin 1. It goes to D102, then to 185 (what is this 185 wtf).
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Audi A3 8L
1984cc stroker - E100 - ME7 wideband converted - 400whp target
Instagram: @a3stroker
bororobbo
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« Reply #10 on: July 30, 2018, 11:57:34 AM »

It goes to 15a fuse no 10 in the fuse box after working it out lol
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maddass
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« Reply #11 on: July 12, 2019, 05:10:41 AM »

Revival i am sorry but this kinda information i cant seem to find

Ive pretty much done this conversion I think from APY to BAM
rewired wide band and installed 2 pins also added the post cat lambda plugs to the narrow band loom. i also had to switch round 2 wires black and a green wire for lambdas.

Now i am using a BAM engine loom complete
Do i need to wire anything for VVT on the other loom i am modifying? or am i good as it is? Realised i need to splice into the wires for N75/N249 for power and on BAM ecu pin#115

EGT

Now I know i can splice into power steering pump pressure switch wire for the one wire. also locate any other blue/yellow wire for the other wire.
The signal wire pin#61 on BAM/wide band ecu. Which is all good but and its a big but imho
pin #61 on narrow band ecu has a wire which leads to this J293 - Control unit for radiator fan (00831) on the AJQ APP Wiring diagram and on the S3 APY diagram it is pin #61 J293 - Radiator fan control unit it is marked with a * and adds that only fitted to cars with Air con. it goes back into the interior harness and i guess comes back out to the J293??

Now i cannot figure out where on a BAM ecu this would potentially fit? Do i need it and/or can i just un pin it and pin in the EGT signal wire?
Any help would be great
« Last Edit: July 12, 2019, 05:24:37 AM by maddass » Logged

S3 8L Nut and bolt rebuild 1.9 Fully forged, S300 BW, Sidewinder
maddass
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« Reply #12 on: July 12, 2019, 06:21:54 AM »

Think i have answered my own question with the help of the BAM diagram posted previously.

Move the pin from #61 (APY) loom to Pin #41 on BAM ecu plug should still give control of aircon fans etc. I will test this out as there was no mention of it the same way on the AMK ecu diagram

If in the meantime someone tells me im wrong then ill re look, but ill go test and check
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S3 8L Nut and bolt rebuild 1.9 Fully forged, S300 BW, Sidewinder
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