Question about 2003 Renault Megane

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Hi. was wandering if anyone can help, I have a 03 megane 1.6 unfortunately. the car cut out whilst driving down the road, now I have no live to the car at all, no ignition, no lights, indicators or central locking. I have changed the battery in card key, and also the vehicle battery with still no joy. The car is completely dead, when changing the battery I heard it prime which suggests ecu and immobiliser working, I have found a small earth wire loose, this came from under the relay box, then it split into 2 other wires, 1 the fuse box, 2 the bonnet pin, I have earthed the loose end out to body first,no joy, then I earthed it directly to the battery still no joy, anyone got any other ideas would be really appreciated,thanks

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  • Renault Master
  • 3,278 Answers

The ignition relay(main fuse box) and main fuse in the engine bay fuse box check them. there is 2 fuse in engine bay.

Posted on Oct 13, 2013

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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MobyMech
  • 106 Answers

SOURCE: R reg Megane Scenic non start

Hi

Well, no noid signal and no spark says to me that the crank sensor is at fault.

Does the check engine light come on when you turn on the igntion? If not then the ECU is not waking up.

Regards

Geordie

Posted on Jun 11, 2008

  • 1 Answer

SOURCE: renault megane key fob wont work

I had the same problem with mine

your key fob is now out of sync with the ECU to sync them just follow this link (renault will charge up to £180 for new key and to sync it)

http://renaulthelp.110mb.com/ImmBypass.html

Posted on Jan 09, 2009

  • 4044 Answers

SOURCE: The central locking on my 2001 Renault Scenic is not working.

Your not going to like this but it sounds like you have a problem with your ECM, Electronic Control Module. This is not something you will be able to repair unless you have a detailed work station to remove the Sealing compound that surrounds the modules control board.

Posted on Aug 27, 2009

  • 16 Answers

SOURCE: megane key fob wont work

the lazer bulb has snapped off inside your key fob

open it up... move the blubs pins to the revers side of the chip board and solder it to the nipples

make sure you dont turn the bulb as + / - will be the same on ither side of the chip board

Posted on Mar 04, 2010

wcbotha
  • 92 Answers

SOURCE: renault megane card key

I do have a solution. Had the same problem and fixed it my self. This is my E-Mail AD
( wcbotha@yahoo.com ). E-Mail me and I will send you the plans and diagrams to enable you to fix it. It is free and the cost to fix is 0 no part needed. Willem SA

Posted on May 11, 2010

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Apr 06, 2009 | 2005 Renault 181

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