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 Speedometer Megane 1.9dti X Reg Not Working
Author Message
ziaazam
Newbie

Joined: 20 Sep 2006
Posts: 3

Posted: Wed Sep 20, 2006 12:06 pm

[font=Times New Roman][/font] Speedometer on my Renault Megane X Reg Diesel is playing before it used to give reading sometimes now it has stopped completely. Speed reading is taken from ABS tough ECM (Central Computer) I suspect cable between speedometer and ECM is not carrying signal properly.
Any one can help me with this? if you could email wiring diagram of speed that will be brilliant.
Chris H
Forum Moderator

Joined: 02 Mar 2004
Posts: 19978

Posted: Wed Sep 20, 2006 2:25 pm

you sure its from the ABS rings? X reg should still have the sender on the box for the speedo.
ziaazam
Newbie

Joined: 20 Sep 2006
Posts: 3

Posted: Thu Sep 21, 2006 12:11 pm

there is nothing on gearbox for speedo! i ve checked
Chris H
Forum Moderator

Joined: 02 Mar 2004
Posts: 19978

Posted: Fri Sep 22, 2006 12:11 am

the speed signal is pioggybacked off the ABS ring, so if it wasn;t workign then there woudl be an ABS light up. However grease if theres a dodgy CV can affect it, so make sure the rings are clean and give them a gentle wire brushign if they are rusty.

Does the rev counter work properly? The earth for the speedo and rev counter sender is on the engine
ziaazam
Newbie

Joined: 20 Sep 2006
Posts: 3

Posted: Fri Sep 22, 2006 3:31 am

Rev counter works fine, its only speedometer which is playing, before i use to shake the wire a little in the black box next to battery and it used to work for a couple of weeks, now this trick doesnt seems to work.
where about is earth point exactly for rev counter and speedo i try looking if its rusty.
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