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GENERAL OPERATION
INTRODUCTION
The Renault Immobiliser system uses either Infra Red or Radio Frequency for Plip key
operation and transponder key technology for key entry and starting. The Infra Red and
RF systems uses a rolling code system to ensure the vehicle system cannot be
breached.
Activation of the Immobiliser system is indicated by the LED indicator in the Instrument
cluster. If there is a fault in the system, an emergency access code can be used to dis-
able the system using the central door locking button or key and the LED to enter the
code.
On petrol vehicles the immobiliser is carried out by the Fuel Injection system and on Die-
sel systems it is carried out by the coded solenoid valve.
The immobiliser system automatically sets itself after 10 minutes if both doors are closed,
this can be 30 minutes in other countries. If the ignition is switched OFF and one of the
front doors is opened, then the immobiliser sets itself after 1 minute, in other countries it
can be 10 minutes.
To disarm the system the doors must be locked and unlocked using the plip key func-
tions. Only 2 plips can be operated on this system.
The immobiliser key system operates independently of the Plip system. When the key is
turned to the Ignition OFF position the immobiliser activates after 10 seconds. This sys-
tem used 2 special matched keys with coded transponders.
The system comprises of Receiver aerial around the ignition lock, a decoder unit located
under the dashboard, which sends the decoding signal to the Fuel Injection computer or
coded solenoid valve, and the RED warning light.
Key programming and Plip programming can be performed using the AD100 and if the
relevant security code for the vehicle is available.
The security code is normally displayed in the front of the service book, if not can only be
obtained from a Renault dealer.
