This answer only applies to Renaults with a IR- remote key probably makes between year 95-98.
There are 2 versions of immobilizers during these years. You must be able to start the car at least once with key or emergency code to apply theese fixes.
Version 1:
Enter the emergency code and start the car, cut and isolate the Data wire between the fusebox (ECU) and the Motor Control Unit (MCU) (or dieselvalve if it's a diesel) while the motor is running. Done :) You will probably also want to cut the wire to the annoying LED.
Version 2:
You will need to install a electronic substitute for the immobilizer, they are called Record/playback modules (RPM)
Note:
You might need to inform your insurance company of this alteration. Renault will not perform the above soulutions. If you don't have a emergency code there are free calculaters on the internet or get it from your Renault dealer. This answer is not a step by step instruction, just letting you know it's possible. Version 1 worked on my wife's 98 Scenic.
How do you disable immobilizer system alfa156
How to disable Peugeot 206 immobilizer?
Yes
Yes, you can disable the immobilizer on a 2001 eclipse.
I had to go to the Renault dealer. You cannot disconnect the immobilizer completely even if it a pain.
Have a look in behind the glovebox, should be a plug. Disconnect that to disable the immobilizer.
No you cannot. You need to take it to a dealer or a garage with a scanning tool so the immobilizer can be altered electronically
Hi how I can bypass or cut of immobilizer for renalt clio 1998 1.2 8v 59hp imobilaizers is in main block ecu
pull plug when car is craken up
The engine immobilizer key switch is situated within the glove compartment. where in the glove compartment? there is only the light fixture.
The key is faulty or the immobilizer will not accept the code. remove the battery for 30 mins to allow the system to reset.
I also need to bypass the immobilizer on my Laguna. The central lock button on my 1996 Renault laguna doesn't work (open locks) and also the immobilizer light mounted on it is off. Nevertheless, there is power to the button. This led me to believe that there are no signals to or from the control box. Can anyone tell me where the central control box is located?