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Author Topic: Audi A3 8P cluster 32pin pinout? (experimenting)  (Read 26643 times)
Jim_Coupe
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« Reply #15 on: September 21, 2016, 01:02:47 PM »

Thanks f1torrents  im trying to send the message via cheap china USB2CAN device.. not sure how reliable it is..  It blinks one time when i press SEND..   om also not sure about the PinOut hmm but I think i have +12 and ground connected correct.. The CAN bus "Twisted Pair" was also easy to find.. but when I apply 12V the cluster blinks one time and the needles starts to move to "0""..
« Last Edit: September 21, 2016, 01:24:30 PM by Jim_Coupe » Logged

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f1torrents
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« Reply #16 on: September 22, 2016, 01:04:44 PM »

Send the signal every 200ms
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bennyboi
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« Reply #17 on: October 11, 2016, 05:11:01 AM »

i use a canbus for these, just go to a scrapyard and get one from an 8p audi, they wire up to +12v, ground, ign, canH and canL then canH & canL to OBD plug and just connect cluster to power and canbus Smiley  

http://picclick.co.uk/Audi-A3-Gateway-module-2003-2008-1K0907530B-genuine-8P-272382677580.html

gateway pinout -

1,2 - +12v (connection 30)
14 - +12v (connection 15 [Ignition])
11,12 - Ground connection
6 - powertrain CAN bus, low
16 - powertrain CAN bus, high
9 - DIAGNOSE can low
19 - DIAGNOSE can high
8 - Dashboard can low
18 - Dashboard can high
5 - convenience CAN bus, low
15 - convenience CAN bus, high
10 - infotainment CAN bus, low
20 - infotainment CAN bus, high
13 - to Dashboard pin15
« Last Edit: October 11, 2016, 05:16:04 AM by bennyboi » Logged
bennyboi
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« Reply #18 on: October 11, 2016, 05:17:27 AM »

32-pin connector, blue (Midline)
1 - Terminal 30 -> +12V
2 - Terminal 30 -> +12V
3 - Terminal 31 -> GND
4 - Terminal 31 -> GND
5 - CAN Bus (diagnosis) wake-up wire -> PIN 13 GW
6 - Fuel gauge sender 2, signal (quattro)
7 - Brake pad
8 - Oil level
9 - Not used
10 - Not used
11 - Not used
12 - Not used
13 - Not used
14 - Brake fluid low
15 - Oil pressure switch
16 - Not used
17 - Terminal 58d
18 - Terminal 30 -> +12V
19 - Terminal 31 -> GND
20 - Not used
21 - Coolant level low
22 - Not used
23 - Not used
24 - Ambient temperature
25 - Fuel gauge sender 1, signal
26 - Fuel gauge sender 2, overall resistance
(quattro)
27 - Fuel gauge sender 1, overall resistance
28 - Sender earth
29 - CAN bus diagnosis High
30 - CAN bus diagnosis Low
31 - Transponder Rx
32 - Transponder Tx


Pinout Gateway

Pin 1 Terminal 30, fuse F24 in EM box -> +12V
Pin 2 As pin 1 -> +12V
Pin 3 Vacant
Pin 4 K-wire (vacant)
Pin 5 Convenience system data bus, CAN-Low
Pin 6 Drive train data bus, CAN-Low
Pin 7 Vacant
Pin 8 Dash panel insert data bus, CAN-Low
Pin 9 Diagnosis CAN, CAN-Low
Pin 10 Infotainment data bus, CAN-Low
Pin 11 Terminal 31 (battery negative) -> GND
Pin 12 Terminal 31 (battery negative) -> GND
Pin 13 Wake-up wire, dash panel insert -> PIN 5 DB
Pin 14 Terminal 15 -> +12V
Pin 15 Convenience system data bus, CAN-High
Pin 16 Drive train data bus, CAN-High
Pin 17 Vacant
Pin 18 Dash panel insert data bus, CAN-High
Pin 19 Diagnosis CAN, CAN-High
Pin 20 Infotainment data bus, CAN-High
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Jim_Coupe
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« Reply #19 on: October 11, 2016, 09:16:22 AM »

Thanks!!... Gives new hope to this experiement Smiley
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eliotroyano
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« Reply #20 on: April 16, 2017, 07:40:33 PM »

Friends sorry to take this post from dead, but does the "Bordnetzsteuergerät" or Power Supply Control Module is not needed Huh Huh
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macxxx
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« Reply #21 on: December 07, 2017, 01:21:44 PM »

I'm planning exactly the same - how did it workout? , I will try to power It up using gateway and column control module ( i hope it sends ingnition signal thru CAN ) 
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eliotroyano
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« Reply #22 on: December 08, 2017, 07:34:21 PM »

I'm planning exactly the same - how did it workout? , I will try to power It up using gateway and column control module ( i hope it sends ingnition signal thru CAN ) 

You will need at least BCM (electric Body Control Module) and Gateway to make it work properly....
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macxxx
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« Reply #23 on: December 08, 2017, 11:20:11 PM »

Ok thanks for info.
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H2Deetoo
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« Reply #24 on: December 11, 2017, 01:19:47 AM »

You don't need any modules, if you can send the correct canbus messages at the correct intervals.
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macxxx
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« Reply #25 on: December 14, 2017, 10:06:07 AM »

I dont have any can bus sniffers , can you tell me what is worth buying?

It was cheaper to buy a Borndnetz ( less than 10$ )

So I have it all connected on bench  - Bordnetz , Gateway and cluster - I can communicate with them using VCDS , the Bordnetz sends signal after switching ignition ( 12v on terminal 15 pin in G connector ) , but the clusters only lights up clock and odometer

What did I do wrong? In measuring blocks the can works ok, and no can faults in any module
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Mikhail
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« Reply #26 on: December 16, 2017, 06:46:28 AM »

Which fuel level sender is fuel pump side? I have slight doubt that how well suction jet pump works, so I coded cluster to fwd to read only one level sender to be sure how much fuel is at pump side but does it now read at pump side?
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macxxx
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« Reply #27 on: December 16, 2017, 11:51:34 AM »

maybe take the fuel gauge sender 2 pin out of the connector and you will be sure
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Mikhail
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« Reply #28 on: January 11, 2018, 12:28:37 PM »

A little OT but quattro fuel gauge works also with one fuel level sensor and can be sure that how much fuel is at the pump side. Side effect of this is that at when the car is resting the tank sides does level themselves and when start driving the fuel gauge start to climb when suctionjet side is pumped to pump side.
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