lilwashu Posted December 7, 2011 Share Posted December 7, 2011 Nissan have just replaced the instrument cluster in my 2008 Z to cure a very bouncy rev counter (to my surprise this has worked). As a result the odometer now reads 0 when the car has done 35000 miles - I have a record of the mileage before the change on the work document but this is a bit annoying in terms of knowing when services are due etc. Is it possible to reset the odometer back to what it should be? Quote Link to comment Share on other sites More sharing options...
Lexx Posted December 7, 2011 Share Posted December 7, 2011 The Nissan Dealership should have done this for you. There isn't a simply way to do it at home - otherwise everyone would be clocking their cars Quote Link to comment Share on other sites More sharing options...
ChrisS Posted December 7, 2011 Share Posted December 7, 2011 I believe it's called 'Digital Correction' which is not ilegal. Have a google of it. Quote Link to comment Share on other sites More sharing options...
Fuse Posted December 7, 2011 Share Posted December 7, 2011 If Nissan did the replacement then I'd agree with Lexx, they should have a way of moving it onto what it should be. Sounds like they did half a job to me! Quote Link to comment Share on other sites More sharing options...
tprice Posted December 7, 2011 Share Posted December 7, 2011 take it back mate, there must be a way of coding the control unit which updates the mileage which should be stored in the cars ecu somewhere. iv done this before, just not on nissans Quote Link to comment Share on other sites More sharing options...
simon da silva Posted December 7, 2011 Share Posted December 7, 2011 its possible to change it.. i swapped my US speedo with MPH to an european KM/H version, and we where able to adjust the km done on the speedo.. but had a proffesionel to do it.. Nissan should be able to do this.. Quote Link to comment Share on other sites More sharing options...
ace Posted December 7, 2011 Share Posted December 7, 2011 don't think mileage is stored on the ecu only on the clocks. Quote Link to comment Share on other sites More sharing options...
ds2000 Posted December 8, 2011 Share Posted December 8, 2011 It is definitely only on the clocks, I'll have a google for you as I had to send my RX-7 speedo off after it failed and I wanted the mileage correcting.... annoyingly I did have to send the old and the new units together though but if you've got that piece of paper you should be fine.... let me look for you! Quote Link to comment Share on other sites More sharing options...
ds2000 Posted December 8, 2011 Share Posted December 8, 2011 Amazingly.... I found an old post from 2006 on the MRC, this is the place: http://www.autoprotec.co.uk/Import%20conversions.htm Might be worth emailing them and seeing what they can do for you, when I used them the service was top notch! Quote Link to comment Share on other sites More sharing options...
SteveW Posted December 8, 2011 Share Posted December 8, 2011 If Nissan did the replacement then I'd agree with Lexx, they should have a way of moving it onto what it should be. Sounds like they did half a job to me! This seems to be standard of most car dealerships nowadays! Quote Link to comment Share on other sites More sharing options...
tprice Posted December 12, 2011 Share Posted December 12, 2011 If Nissan did the replacement then I'd agree with Lexx, they should have a way of moving it onto what it should be. Sounds like they did half a job to me! This seems to be standard of most car dealerships nowadays! dealers up north seem to get slated, never heard of anything like it!!! Quote Link to comment Share on other sites More sharing options...
Wez21 Posted December 12, 2011 Share Posted December 12, 2011 Hya, the issue on your old one was the motor on the rear of the needle giving up. These are either cross coils or stepper motors depending on the year built. The stepper motors have small plastic gears which can break very easily if a small piece of contamination got in. As for the cross coils they have silicon inside, if this dries out then the gears become jumpy and eventually stop moving. Sometimes if the speedo cluster is removed and not stood right the silicone runs out and the same result happens. As for the mileage, yes it is 100% stored in the EEPROM data on the cluster, nothing at all to do with the ECU. Some dealerships cannot do this, they simpley dont have the equipment, but they should sort it out for you. It is a very costly thing to do at home as you need the original EEPROM data, canalyser software, an EEPROM writer, and the technical skills to use the software. Alternatively if they have not sent the defective meter back under warranty/investigation, get them to swap the motors out. You have to be very careful in removing all the parts but it is standard practice in the assembly line in the factory to replace motors!!!! Hope they do something for you!! Quote Link to comment Share on other sites More sharing options...
marzman Posted December 12, 2011 Share Posted December 12, 2011 Hya, the issue on your old one was the motor on the rear of the needle giving up. These are either cross coils or stepper motors depending on the year built. The stepper motors have small plastic gears which can break very easily if a small piece of contamination got in. As for the cross coils they have silicon inside, if this dries out then the gears become jumpy and eventually stop moving. Sometimes if the speedo cluster is removed and not stood right the silicone runs out and the same result happens. As for the mileage, yes it is 100% stored in the EEPROM data on the cluster, nothing at all to do with the ECU. Some dealerships cannot do this, they simpley dont have the equipment, but they should sort it out for you. It is a very costly thing to do at home as you need the original EEPROM data, canalyser software, an EEPROM writer, and the technical skills to use the software. Alternatively if they have not sent the defective meter back under warranty/investigation, get them to swap the motors out. You have to be very careful in removing all the parts but it is standard practice in the assembly line in the factory to replace motors!!!! Hope they do something for you!! Great post Quote Link to comment Share on other sites More sharing options...
lilwashu Posted December 13, 2011 Author Share Posted December 13, 2011 Thanks for all the help guys, I'll give them a call later and let you know how I get on (I suspect it will just be a change of mileage stamp in the service book). Quote Link to comment Share on other sites More sharing options...
Wez21 Posted December 14, 2011 Share Posted December 14, 2011 @Marsman - thanks for that, appreciate it! On another note, if you still have the defective cluster you could send it to me to be fixed if I have a replacement motor!! Quote Link to comment Share on other sites More sharing options...
Adrian@TORQEN Posted October 17, 2012 Share Posted October 17, 2012 So how did this go, nearly a year after? Looking to have my cluster replaced as well Have the dealer sort this out for you? Quote Link to comment Share on other sites More sharing options...
lilwashu Posted October 20, 2012 Author Share Posted October 20, 2012 So how did this go, nearly a year after? Looking to have my cluster replaced as well Have the dealer sort this out for you? They didn't sort it, apparently it was impossible. I have since sold the car. Quote Link to comment Share on other sites More sharing options...
Chromatic Posted February 7, 2014 Share Posted February 7, 2014 Old topic -- But you reprogram the mileage on the 350Z with something like a USA Prog device. They cost $2500-$5000 for the device (hand held). It plugs into the back of the cluster and takes about 2-3 minutes to change. You literally let it read the EEPROM, then you input whatever mileage (or km's) you want.. press "OK" .. and it writes it. Done. Some, most? Nissan dealerships won't have this device, but they can certainly outsource it.. It's $50-$100 to have someone else do this for you that has the device. Cost is obviously due to price of the device not because it's difficult. It's VERY easy to operate. Quote Link to comment Share on other sites More sharing options...
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