Introduction
The passive key (1) is used when the active key is not working correctly or is not available.
The passive key works as a transponder, and must therefore be placed physically onto the antenna to work.
The mechanical part (2) of the key is used to open the seat or the tank plug.

Wiring diagram
No wiring diagram is available for the component
Error codes
"Key diagnosis" error: "wrong key". The key has been detected but is not associated with the hands free system. The fault can only be viewed from the dds after switching the dashboard on with the pin code.
"Key diagnosis" error: "encryption error". The encrypted code stored in the key is not recognised by the hands free system. The fault can only be viewed from the dds after switching the dashboard on with the pin code.
Electrical characteristics and checking component
The component has no specific electrical characteristics and requires no special checks.
In the event of fault
In the event of a fault, try reprogramming the key.
Component replacement methods
The component does not require replacement.
Active key
Programming/reprogramming keysHorn not working
Fault codes
Dds: horn diagnosis -> short circuit to ground (s.C. Gnd).
Dashboard: the error "claxon" (horn) is shown on the service display. The eobd
warning light activates.
Wiring diagram
Db dashboard connection, s horn button. 5 Blue/white - b/w, 1 red/blue - r/b,
db 19 purple/bl ...
General safety rules
Carbon monoxide
When a maintenance operation must be performed with the engine running, maker
sure that the working area is wellventilated.
Never run the engine in an enclosed space.
Warning
Exhaust fumes contain carbon monoxide, which is a poisonous gas that
can cause unconsciousness or e ...
Air temperature sensor
Introduction
The engine control system on the diavel uses a sensor that measures air
temperature. This sensor has a resistance of
ntc type (negative temperature coefficient), that reduces its own value when the
temperature increases. The air
temperature sensor allows the engine control unit t ...