mrpault Posted February 27, 2015 Share Posted February 27, 2015 hi i have just purchased a mondeo estate mk4 2007 i have a message come on the screen when i turn the ignition on that says: alarm system service required, i have read numerous articles but with no luck. I followed the instructions to reset it and found that the lights flashed but with no actual alarm sound and the message still appearing afterwards. i then went and checked the RB2 – Anti-theft alarm horn relay in the rear fuse box but i didnt actually have that set of fuses in there. i then went and checked the battery backup sounder(alarm system),obd II (board computer diagnostics), in the central fuse box, the fuse was fine. i also found these two pictures file:///C:/Users/User/Downloads/anti-theft.pdf file:///C:/Users/User/Downloads/anti-theft-integral-battery.pdf but am not sure which one i should be looking for and if a replacement part can be found after no luck on eBay. i dont really want to take it to ford and pay there prices if i can do it myself so any help would be greatful i also found this wire in the passenger footwell that i have no idea where it has come from and even if it should be left like that many thanks Paul Quote Link to comment Share on other sites More sharing options...
iantt Posted February 27, 2015 Share Posted February 27, 2015 Could be either ultra sonics playing up or more likley the battery back up siren faulty due to water ingress, could do with a code reader to see what dtc are stored Quote Link to comment Share on other sites More sharing options...
mrpault Posted February 27, 2015 Author Share Posted February 27, 2015 if it is the battery pack which i assume is number 5 on this drawing file:///C:/Users/User/Downloads/anti-theft.pdf do you no where i could get one Quote Link to comment Share on other sites More sharing options...
iantt Posted February 27, 2015 Share Posted February 27, 2015 your pdf is not showing on here Quote Link to comment Share on other sites More sharing options...
mrpault Posted February 27, 2015 Author Share Posted February 27, 2015 copy and paste it into web browser Quote Link to comment Share on other sites More sharing options...
iantt Posted February 27, 2015 Share Posted February 27, 2015 but the address is your c drive on your pc Quote Link to comment Share on other sites More sharing options...
mrpault Posted February 27, 2015 Author Share Posted February 27, 2015 oh aha anti-theft.pdf Quote Link to comment Share on other sites More sharing options...
iantt Posted February 27, 2015 Share Posted February 27, 2015 oh aha yes!! lol yes number 5 theres 2 types, with or without tilt sensor would recommend someone with a gem module code reader to check for dtcs, may narrow down whats at fault, normally if its the alarm sounder then you get a lin bus error code Quote Link to comment Share on other sites More sharing options...
jeebowhite Posted February 27, 2015 Share Posted February 27, 2015 I had that error on my car after I tinkered with it and set an extra alarm setting that didn't work.... I reset it and it was all fine, but if that's not the error then yeah the battery backed is the usual culprit. Quote Link to comment Share on other sites More sharing options...
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