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VXOC Astra-J/GTC › Astra-J/GTC Section › Retrofit Research v
Astra J Coming Home Module / Key Signal Diagram

VXOC Astra-J/GTC › Astra-J/GTC Section › Retrofit Research v
Astra J Coming Home Module / Key Signal Diagram

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Astra J Coming Home Module / Key Signal Diagram
EricMod Offline
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#1
2:nd-Oct-2018, 17:10:47 (This post was last modified: 2:nd-Oct-2018, 17:14:28 by EricMod.)
Hey there guys!

I wanted to retrofit a Coming Home Module for my Astra J (A16XER).
The aftermarket Module needs a „door open“ signal to trigger the relay inside of it. I looked up in Autodata and searched the Internet but I cant find any useful information unfortunately. All I know is, the Body Control Module (BCM) should process the Signals but there are many cables to measure them all for my needed voltage signal.
Does somebody know or has a Wiring diagram/Pin assingment picture or something like that?
In the best case it should have a (short pulse) 12v Signal and no Canbus Data signal.

Thank you guys in advance!

Best regards from Austria,
Eric Smile
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Rusty2009 Offline
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#2
8:th-Oct-2018, 16:25:55
See the attached more to follow.


Attached Files
.pdf   K9 Body Control Module X1.pdf (Size: 35.21 KB / Downloads: 198)
.pdf   K9 Body Control Module X2.pdf (Size: 26.74 KB / Downloads: 115)
.pdf   K9 Body Control Module X3.pdf (Size: 26.95 KB / Downloads: 107)
.pdf   K9 Body Control Module X4.pdf (Size: 34.93 KB / Downloads: 95)
.pdf   K9 Body Control Module X5.pdf (Size: 32.35 KB / Downloads: 109)
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Rusty2009 Offline
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#3
8:th-Oct-2018, 16:26:25
Last 2.


Attached Files
.pdf   K9 Body Control Module X6.pdf (Size: 26.46 KB / Downloads: 96)
.pdf   K9 Body Control Module X7.pdf (Size: 26.37 KB / Downloads: 89)
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EricMod Offline
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#4
8:th-Oct-2018, 16:37:34
Ahh Rusty you‘re the best I knew I can count on you!! Smile Smile
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EricMod Offline
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#5
10:th-Oct-2018, 17:53:16
Hey there Rusty again, today I had a look at your pdf files and I thought it would be K6/Pin 21. But this Pin isnt even in the named plug. I measured the whole plug for the signal and came to a result it would be K6/Pin 4, I provisonally tried the module with Pin 4 and it worked I guess but after connecting and triying it out, the remote unlock/lock doesnt work anymore if the module is connected to this pin. Only after disconnecting the module the unlock/lock action worked again. It seems like, if you put any load (a relay) to the related pin, it doesnt work.

Maybe did I miss any pins relating my unlock signal? :( Smile
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Rusty2009 Offline
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#6
11:th-Oct-2018, 07:32:27
Have you tried K6 pin1 or 2 Or K2 pin15
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EricMod Offline
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#7
11:th-Oct-2018, 08:56:00
Tried them all too yesterday, unfortunately nothing usefull :/

Isn‘t behind the Speedometer dash, the key transmitter module itself?
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Rusty2009 Offline
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#8
12:th-Oct-2018, 07:09:08
Yes it is.
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#9
15:th-Jan-2019, 17:24:27 (This post was last modified: 15:th-Jan-2019, 17:24:49 by BOLT.)
To activate coming home mode you need:
1 remove the ignition key
2 open door
3 blink high beam ,
i check on my astra and it work
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Big Dave2 Offline
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#10
16:th-Jan-2019, 12:20:43
(15:th-Jan-2019, 17:24:27)BOLT Wrote: To activate coming home mode you need:
1 remove the ignition key
2 open door
3 blink high beam ,
i check on my astra and it work

Could be wrong, but I think the OP wants something different to this.

Pretty sure what you're suggesting is standard fitment on most Vauxhalls now, so the OP would already be able to do this.
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