Comparison Table of Input Signals

The following table shows a comparison point to the data read out from PST 2 on the vehicle, and should simplify diagnosis and troubleshooting.

Boundary conditions
- Both doors closed
- Ignition switched on
- Central locking system version code in version 4
- Doors not locked

Switch position Text
open radio contact open
open input 1 open
closed terminal 15 signal available
closed alarm horn connected
closed driver's side not secured
closed passenger's side not secured
closed driver's side not locked
closed passenger's side not locked
open doors on driver's side closed
open doors on passenger's side closed
open door lock barrel not actuated
open central locking system not actuated
closed terminal 86 S signal available
closed immobilizer active
open signal from airbag not available
open front luggage compartment closed (front lid)
open rear luggage compartment closed (rear lid)
open convertible top/sliding roof closed
open oddments tray open
open convertible top compartment lid open
open button 1 on the radio transmitter not actuated
open button 2 on the radio transmitter not actuated


NOTE: The information in the comparison table applies for vehicles with the safe function. The safe function is not provided for all countries (e.g. USA). In this case Driver's side secured and Passenger's side secured will be displayed in the PST 2. In vehicles with the safe function, this display would indicate an error in the door lock or its wiring.