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Originally Posted by d3vnull
Been looking around the forums and internet and can’t seem to find anyone who has done a gauge cluster swap on an FR-S/BRZ/GT86 for the AEM CD-7 Digital Dash. Specifically trying to prepare for any issues I might run into with effectively deleting the stock factory cluster given I worry that the ECU might have some issues with that cluster not being connected. Anyone with experience doing this or some guidance on where I might find some more information would be great!
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OK! i have some good experience with this.. first of.. your gonna have to calibrate the tank level sensor as that is read by the cluster then transmitted by canbus. also, the interior lighting regulation is done by the cluster too. If thats disconnected the lights at night that are AC controller radio etc.. are all gone. does a small part about fuel usage calculation. IF you have a turn key you will also need to replicate parts of the canbus as its part of the immobilizer system for turn key cars. Also, alternator light is important. without the proper load on the signal the alternator will not turn on and your car will die.
Most of this wont be a issue maybe if you have a racecar.. but replacing cluster other then that will be pretty hard. Im sure im forgetting a couple of other bigger things but a lot of issues.
Lastly.. OBD2 is not the same as canbus. So although is supports obd2 you still need a way to replicate the canbus system,Completely different.