Join Date: Oct 2005
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I had a Clio 1.6RXE as my last car. Following a windscreen replacement which left a slight leak in the left hand side of the screen, water was able to get in to the relay control box and cause the relays to start to fail – everything from central locking to electric windows and starting problems. One of the relays is called the ‘after start relay’ and is energized all the time once the engine is running. After I sealed the pesky leak (several weeks to find and lots of electrical gremlins) and replaced all the relays from a scrap Clio I had no more electrical issues.
You could swap a couple of the relays around for trouble-shooting as several of them are common. The Haynes manual give a nice picture of which relay is which. Don’t buy the relays from Renault as they cost more than gold – if you have a local scrap yard close to you pay them a visit and take as many relays as you can carry for just a few pounds.
If the replacement relays don’t fix your problem then you may have to go to Renault for help as the panel contains the immobiliser circuit that needs to be set up by a technician, and therefore can not simply be replaced.
Be very careful of using contact cleaner in this area. Some contact cleaners contain an agent that can react with plastics causing it to go very brittle and fall apart – a failure of the plastic that the relay base plugs in to is going to cause you yet more problems.
I hope this gives you some help with your issue. Let us know how you get on please.
Currently in Husky_Dog's garage:
2005 Renault Scenic 1.9 Dci Exception