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2009 Audi Q7, Remote Start


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shawn.s 
Member - Posts: 2
Member spacespace
Joined: June 16, 2020
Location: Ontario, Canada
Posted: June 16, 2020 at 12:26 PM / IP Logged Link to Post Post Reply Quote shawn.s
hi, I need some help with wiring up a 2009 audi q7 remote start, it has the regular key and the push start/ stop button by the shifter. I want to install a autostart 1780 with the idatalink alca for the locks and brake, i want to know know where do i wire up ignition and the start wire the wiring i found for the starter and igntion say for starter kill only and ignition sense only,any help would be appreciated and if anyone has done one and has some tips please let me know. thanks
12 Volts     red (30A)     +     VESCM under driver dash, black 12 pin plug, pin 11
Second 12 Volts     WHITE/ yellow (25A)     +     VESCM under driver dash, black 12 pin plug, pin 12
Starter     RED / black (for starter kill only)     +     starter relay on engine compartment relay and fuse panel
Second Starter     N/A
Ignition     BLACK/ purple (for ignition sense only)     +     Access/Start Control Module on column, black 20 pin plug, pin 18
Second Ignition     N/A
Third Ignition     N/A
Accessory     BLACK / YELLOW (for accessory sense only)     +     Access/Start Control Module on column, black 20 pin plug, pin 20
Second Accessory     N/A
Third Accessory     N/A
silvercivicsir 
Copper - Posts: 300
Copper spacespace
Joined: November 21, 2003
Posted: June 17, 2020 at 10:49 AM / IP Logged Link to Post Post Reply Quote silvercivicsir
disassembly is a pain in the butt.. I wouldn't attempt this if this was my 1st remote start.. You know the ALCA only does convenience features? You will either need to lose a key/ get a TBVW
12 Volts     red (30A)     +     VESCM under driver dash, black 12 pin plug, pin 11          
Ground     (chassis ground)                    
Starter Kill     red/black     +     Starter Relay on engine compartment relay and fuse panel          
Starter     red/black     -     Access/Start Control Module on column, black 20 pin plug, pin 4          
Ignition     black/red     -     Access/Start Control Module on column, black 20 pin plug, pin 3          
Ignition Sense     black/violet     +     Access/Start Control Module on column, black 20 pin plug, pin 18          
Accessory Sense     black/yellow     +     Access/Start Control Module on column, black 20 pin plug, pin 20          
Data Bus     ignition switch and immobilizer interface needed for remote start                    
CAN Bus High     orange/green     data     Access/Start Control Module on column, black 20 pin plug, pin 11          
CAN Bus Low     orange/brown     data     Access/Start Control Module on column, black 20 pin plug, pin 1          
IMMO Data     green/yellow     data     Access/Start Control Module on column, black 20 pin plug, pin 12
shawn.s 
Member - Posts: 2
Member spacespace
Joined: June 16, 2020
Location: Ontario, Canada
Posted: June 19, 2020 at 4:27 PM / IP Logged Link to Post Post Reply Quote shawn.s
i did a couple before but on those i had a wiring diagram guide so it made it easier, there is not much info on the q7, yes i know i have to put a key but i just wanted to know for the start and ignition you posted its negative triggers so i would have to use a relay to change it from postive to negative from the starter?
thanks
cgebauer 
Member - Posts: 1
Member spacespace
Joined: March 13, 2021
Location: Minnesota, United States
Posted: March 13, 2021 at 4:31 PM / IP Logged Link to Post Post Reply Quote cgebauer
Did you ever figure out a solution to this? I currently have a Compustar CM7200 hooked up in my 2007 Q7 and have all of the convenience features working, however, when I attempt to start it will turn on the climate control and then nothing; sometimes triggering the factory alarm. Would converting the positive ignition interface from the remote starter negative via SPDT relays change that? I have an transponder bypass wired and wrapped around the ignition switch (Compustar TransV2).
The system kicks back a error 8: tachometer read error, however, programming for tach recognition doesn't help (no error when attempting, assume works).

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