2004 citroen c3 no speedo


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By sparky111 - 5/14/2012 3:18:22 PM
we have this car in and the speedo is not working at the speedo sensor there is a 12v feed an earth and pin three is the signal wire tookout the sensor and attached it to a drill and the voltage is fluctuating ok it then goes to the fuse box under the bonnet and comes back out and goes to the ecu and at the ecu its still fluctuating but in live data vss is 0 is this a faulty ecu or am i missing something there is no abs on this vehicle
By Robski - 5/14/2012 3:30:47 PM
>>> am I missing something <<<

Yes a scope & load testing !
By sparki1 - 5/14/2012 5:21:26 PM
BigGrin Fluctuating between what? If you dont have a scope, how about a signal generator? Does the speedo work in acctuators? Do you have a speed reading in live data in ecu or BSI or instruments? Where have I left my glasses today?Smile
By sparky111 - 5/14/2012 5:35:18 PM
no speedo on dash or in live data in ecu dont know about bsi only have a red brick
By Robski - 5/14/2012 5:48:59 PM
You're not going to get far then are you ?
By sparki1 - 5/14/2012 6:18:06 PM
You say no speedo on dash ? is that in live data or using actuators? You need some proper kit I think!