Yksikertaisuudessaan: Käykö 520i -91:n mittarista vastaavaan 2 vuotta vanhempaan biiliin?
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mittaristojen sopivuus?
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Perustuen hyvin rajalliseen kokemukseen asiasta: mittareissa taitaa liittimet olla erilaiset, joten plug&play ei onnistu (EDIT: jos kyseessä on "pikkumittaristo" ilman ajotietokoneen näyttöä). Koodipalikassa on lähinnä mittariston kalibrointiin liittyviä toimintoja ei moottorinohjaukseen liittyviä.
Viisaammat korjatkoon.
PetteriBMW - ajamisen iloa vuodesta 1990
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Ennen 2/89 koodiplugi on johtosarjassa ja 2/89-> mittaristossa. Tuossa jotain eri vuosimallien koodiplugeista:
There are three versions of the instrument cluster all with their own code plug. You can't interchange the code plug in between the different versions, but you can swap the entire cluster. Do be advised when you take the old cluster you need the code plug that's mounted inside the brown plug.
start ->02/89 Grey HML 075 2048 bytes No self test or diagnosis via Modic. Stops at 299960. code plug is non-standard 02/89 -> 09/90 White PIC 93C46 1024 bytes Self test + diagnosis via Modic. Code plug is standard EPROM 09/90 -> end Blue PIC 93C56 2048 bytes Self test + diagnosis via Modic. Code plug is standard EPROM
Coding Plugs
It controls the odometer reading, miles/kilometer/ some of the gauge functions as well. When replacing it you need all the numbers that appear when you do the self test on the instrument cluster. That will tell the dealer which version hardware/sofware you have. You also must disconnect all connectors on the back of the dash cluster with the battery disconnected and wait a few minutes for all residual power to drain to keep from damaging the memory on the coding plug. THIS is a must. Also since the obc shares data with the coding plug, the plug to the obc on the back of it must be disconnected and wait at least one minute after the coding plug has been changed.
This will reset the obc for the new coding plug.
To switch from km to miles, you need to change the coding plug.
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