1. Entry and start authorization Kessy Basic and comfort

2. Keyless Entry Start/Exit Security SYstem
Basic function
KESSY
Keyless Entry Start/Exit Security SYstem
Radio-wave remote control
WFS III
Terminal controlling (Relay terminal15 SV a.s.o.)
Soft start ( with engine CU)
Emercency start (onboard power supply CU)
Activating electrical-mechanical steering column lock

3. Components Terminals 15, 75(X) , 50, 15SV Relay
Electronical ignition switch
Ignition key with radio-wave remote control
Electrical-mechanical steering column lock
CU for entry and start authorization

4. Special tool (T10152) requestet! Do not exceed the specified torque!!!
Electronical ignition switch (EIS)
DATA Data‘s to Kessy
Micro switch S4
Micro switch S5
EIS power supply 12 V
DATA 2 Data‘s from Kessy
Micro switch S3
Micro switch S6
Micro switch S1
Frequency output from Kessy
Earth
Electrical release disable signal 12 V
Micro switch S2
A12
A11 A2 A1
Special tool (T10152) requestet! Do not exceed the specified torque!!!

5. Radio-wave remote control and immobilizer system III
Radio-wave remote control in combination with the ignition key
Kessy CU evaluates the radio-wave signals,
all central lock functions are operated via central comfort CU
Immobilizer system III in combination with EIS and engine CU ( EIS carries the reader coil)
Central comfort CU

6. Unlocking and locking the ESL via KESSY
The ESL is encoded and activated by means of the entry and start authorization relay:
- key insert  steering column unlock
- key release  steering column lock
The communication between Kessy CU and ESL ist coded. The steering column is supplied with voltage for lock or unlocking only, otherwise the ESL is deenergized.
The ignition can only be activated when the steering column is unlocked.

7. Locking collar Locking star
Lock/unlock mechanism
Locking collar Locking star
Motor
Kessy

8. Immobilizer active
Key not
authorized

9. key can remain in the trouser pocket !!!
Additional functions Kessy comfort CU
Keyless access (access without active key usage)
Keyless go (start without active key usage)
Keyless exit (locking the vehicle without active key usage)
key can remain in the trouser pocket !!!

10. Overview of equipment variants
Ident sender including Kessy electronic control unit
Ident sender including immobiliser (transponder) X
Proximity sensor system
Locking button in the exterior door handle
Kessy interior and exterior antennae
Start-stop button
Electr. mech. steering column lock actuation
Kessy electronics
Radio remote control (RRC)
Immobiliser ( Immobiliser III )
Terminal control (Ter.15SV, 15 , 75, 50, P, S)
Electronic ignition/starter switch (EIS)
Kessy convenience
Kessy basic
Components

11. Electrical steering column lock
Keyless Entry & Go
ID-Sensor
2 back aerial
Electronical ignition switch
3 Interior aerial
Starter button
Control unit
Door handle with capacitive sensor
Electrical steering column lock

12. Additional components
Back aerial
Start-Stop
button
Relay
Electronical
ignition lock
Electrical steering column lock
Interial aerial
CU for entry and start authorization
Door handle with aerial

13. Central lock button in outer door handle
Only Kessy comfort

14. Door handle with proximity sensor
Signal 1
Signal 2
Aerial
lock
Signal 3
Earth

15. Installation location
Components
Installation location
Comments
Kessy control unit
Left footwell
2 versions
Electr. ignition/starter switch
Dash panel, to the right of the steering wheel
Ident. sender (transponder)
Key
Lock set
Electr. steering lock
On the steering column
Rear antenna
In the bumper
2 x
Front antenna,
and on the centre tunnel
Gearshift shaft cover,
center tunnel
1 x
Center armrest antenna
Center armrest
Rear seat ski bag cover
1 x
Rear shelf antenna
Rear shelf module bracket
1 x
Start-stop button
Gearshift shaft panel
Door handles with electronics
Door
4 x

16. Self diagnosis

17. CAN comfort 130 131 132 133 134 135 1. 2. 3. 4. Single / Double wire
Door rear left
combi
Roof electric
Additional heating
Trailer
Door rear right
Multi function
Steering wheel
Central comfort CU.
Memory passenger
Electrical ignition switch
Central operating unit front vorn
Driver door
Memory
A/C
Memory rear
Central operating unit rear
Wiper
Passenger door
Onboard power supply CU
Tire pressure
Parking
Hood
Gateway
130
131
132
133
134
135

18. Kessy Self-diagnosis -actuator test-

19. Guided fault finding Diagnosis address Self- diagnosis
05 Entry and start authorisation (Kessy control unit) or
25 (Immobiliser III, re-routed to address 05)
Guided fault finding
Measured value blocks
Adaptation
Coding
Actuator diagnosis

20. "Teach-in process"
As the Kessy system contains the immobiliser, the relevant components must be taught-in (via the relevant vehicle PIN) as today. These are:
Entry and start authorisation control unit, ESL, keys, engine control unit
The system is taught-in in production (at the end of the belt).
Due to reasons of theft protection, only one component can be exchanged in the existing system.
On exchange of the EIS, no coding or adaptation is necessary

21. 81 ECU ident Group diagnosis study group Measured value blocks 80 -85
Vehicle self-diagnosis
05-Entry and start authorisation
08 - Read measured value block
3D J
Kessy VW D
ECU ident
Coding 696
Dealership number
Read measured value block
WVWZZZ3DZ
VWZ3Z0A <>
Meas. value block
Veh. No.
Model series or
serial No.
Typ app. No.
Display group 81
Basic setting
Group diagnosis study group
Measured value blocks
Basic setting
Meas. equip.
Jump
Print
Help

22. Practice on the vehicle
Entry and start authorization control unit J518
Practice on the vehicle
System testing on the vehicle