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VAG IMMO EMULATOR

Very old project, but sometimes useful  : immobilizer emulator for VAG cars.
Currently, VAG immo emulator is the fastest, easiest and cheapest solution in case defect the Immobilizer unit in old VAG cars
( 1995 to about 2000/2001 IMMO1 and IMMO2 ). Presented solution we use more than ten years; It has some drawbacks, but
is simple, tested and working. Project based on AT89C2051 microcontroller and can be modified in many ways.
Working module, in the basic version, you can build within several minutes.

VAG IMMO EMULATOR SCHEMATICS V.1


VAG IMMO EMULATOR SCHEMATIC DIAGRAM

Component list :

Cx : 10uF
R2 : 100k
R1, R2 : 10k
Trigger : 74HC14

Microcontroller : AT89C2051
X1 ( crystal oscillator ) :  11.0592MHz
Transistor : simple NPN transistor. For example BC547

LED indicating: will turn off if module properly working


THE SIMPLEST SCHEME FOR VAG IMMO EMULATOR V.2


IMMOBILISER EMULATOR VAG - BASIC SCHEME DIAGRAM 

    
   Component list :
   R2 : 4.7K
   R1, R3, R5 : 10K

   Microcontroller : AT89C2051
   X1 ( crystal oscillator ) : 11.0592MHz
   Transistor : simple NPN transistor. For example BC547
   Cx : 220nF ( can be changed for proper communication via K-Line )
   
   LED indicating: will turn off if module properly working
 
 

   Program dump for VAG Immo Emulator you can download here ( rar compressed, password : TRANSPONDERY.COM )

VAG IMMO EMULATOR V.1

ASSEBLED MODULE '2001

Program dump for VAG Immo Emulator download

VAG IMMO EMULATOR V.1

PCB '2001

IMMO EMULATOR VW AUDI SEAT SKODA WFS

VAG IMMO EMULATOR V.2

ASSEBLED MODULE '2001

VAG IMMO EMULATOR MODULE OFF

VAG IMMO EMULATOR V.2

PCB '2001

VAG IMMO EMULATOR PCB DIAGRAM

IMMOBILIZER EMULATOR INSTALLATION GUIDE FOR AUDI A4, A6, A8 WITH WHITE AND BLACK IMMO BOX

Immobilizer 4A0953234, 4B0953234, 8D0953234 and others.

IMMOBILIZER EMULATOR INSTALLATION GUIDE FOR AUDI A4, A6, A8
IMMO EMULATOR CONNECTION DIAGRAM  AUDI

9 : W Line

10 : K Line

11 : GND ( terminal 31 )

12 : +12V ( terminal 15 )

- disconnect the immobilizer
- connect W-Line ( pin 9 ) with K-Line ( pin 10 ) in wiring connector and connect it to K-Line in immobilizer emulator
- connect GND ( pin 11 ) with GND in immobiliser emulator
- connect IGNITION ( pin 12 ) to +12V in immobilizer emulator

IMMOBILIZER EMULATOR INSTALLATION GUIDE FOR VW, SEAT, SKODA WITH 6-PIN IMMO BOX ( IMMO 1 )

Immobilizer 1H0953257, 5WK4678, 7M0953257, 5WK477, 5WK4634 and others.

IMMOBILIZER EMULATOR INSTALLATION GUIDE FOR VW, SEAT, SKODA WITH 6-PIN IMMO BOX ( IMMO 1 )
1H0953257, 5WK4678, 7M0953257, 5WK477, 5WK4634  CONNECTION DIAGRAM FOR IMMO EMULATOR

1 : +12V ( terminal 15 )
2 : K Line
3 : W Line
4 : GND ( terminal 31 )
6 : GND ( terminal 31 )

- disconnect the immobilizer
- connect W-Line ( pin 3 ) with K-Line ( pin 2 ) in wiring connector and connect it to K-Line in immobilizer emulator
- connect GND ( pin 4 and pin 6 ) with GND in immobiliser emulator
- connect IGNITION ( +pin 1 ) to +12V in immobilizer emulator

IMMOBILIZER EMULATOR INSTALLATION GUIDE FOR VW, SEAT, SKODA WITH 8-PIN IMMO BOX ( IMMO 2 )

Immobilizer 6HO953257, 5WK47740, 7M0953257, 5WK48080 and others.

IMMOBILIZER EMULATOR INSTALLATION GUIDE FOR VW, SEAT, SKODA WITH 8-PIN IMMO BOX ( IMMO 2 )
Immobilizer 6HO953257, 5WK47740, 7M0953257, 5WK48080 IMMO EMULATOR CONNECTION

1 : +12V ( terminal 30 )
2 : +12V ( terminal 15 )
4 : GND ( terminal 31 )
5 : GND ( terminal 31 )
7 : W Line
8 : K Line

- disconnect the immobilizer
- connect W-Line ( pin 7 ) with K-Line ( pin 8 ) in wiring connector and connect it to K-Line in immobilizer emulator
- connect GND ( pin 4 and pin 5 ) with GND in immobiliser emulator
- connect IGNITION ( +pin 2 ) to +12V in immobilizer emulator