You can find the diagnostic socket on the bottom of the drivers side dashboard. The diagnostic socket will be on the right hand side of the steering column.
On the scenic II 2005 there is a flat storage area with cup holders between the front seats. In the centre is a rubber mat which lifts out displaying diagnostic socket.
in my Renault scenic (2,0 16V, 2003) (not grand scenic) the obd2 socket is under the movable middle console. Move the console backwards and lift a plastic lid which appears under the console and you see the 16 hole obd2 socket. Eberhard
Some say that the ECU has to be reprogrammmed to a different language and can only be done by the proper Renault diagnostic equipment.
Under the steering there is a fuse box, open it and on the right side you will see the socket
The Highest rank of Renault scenic is the Privilege.
where is the eath wire in the renault scenic
The diagnostic socket is under the steering wheel. A small square panel pulls off to access it.
the port is next to the fuse board which is right hand side of your steering wheel on a RHD car
You can download the Renault Scenic manual for free at http://bookily.org/pdf/renault-megane-scenic-owners-manual-download.
My Scenic is a 2001 model with a 1998cc motor. The engine type is F4R which has 4 spark plugs. The spark plugs use a 5/8" socket plug. You will need about a 15cm extension on the socket as the plugs are situated deep inside the engine.
How do you change the TDC sensor on the Renault Scenic RX4