By PATRICK | 10 November 2020 | 11 Comments

FOR AUDI CARS R8 Engine Start Stop Drive select switch button Installation wiring diagram

STEERING WHEEL BUTTON SIDE 3 WIRS :

red wire ------- 12 V + (airbag plug 12 V + red color wire )

brown wire ----- 12 V - (airbag plug 12 V -  brown color wire)




gray wire  ------- button backlight (steering wheel Multifunction plug look photo )




 

Bluetooth RECEIVE SIDE 5 WIRS : 



 


1. red ---- 12 V + (Gear Shift button plug red color wire or MMI select button plug red color wire)

2. brown ----- 12 V - (driving mode button plug or start/stop brown wire)
 


3. green ----- start/stop button signal - 01  -  (if start/stop button is 6 PIN plug go to NO.3)

4. green ----- start/stop button signal - 02 - (if start/stop button is 6 PIN plug go to NO.6)


=======================================================
5. black ------ driving mode button signal - (driving mode button plug NO.3 OR NO.1)

Driving mode button signal :
A3 8V : NO.1
TT 8S : NO .1
=======================================================

note : if not working , You need to find your car circuit diagram,signal wire connection position may change, you need to try more >





IF NOT WORKING :

Tear off the receiver module protection plastic . Press the small black button above the module.
     
Q : If the indicator does not work .

A : check receiver module 12 V + and 12 V -



Q : If the indicator work (Lights flashing)

A : Rematch Bluetooth connection 

    step 1 : keep press the small black button above the module , Wait for the indicator light to stay on
    step 2 : press R8 START/STOP button , Wait receiver module indicator work (Lights flashing)
    step 3 : Match success




​​​​​​​

 

How to punch holes on the steering wheel :

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Use a 3MM drill to make holes:

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Fixing screws from the inside

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