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Guest Message by DevFuse

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"Check Engine Light" doesn't turn on JZX100

jzx100 wiring ecu cel dashboard swap electronics light display chaser mk ii

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  #1 Kindje



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  • Gender:Male
  • Country:Suriname
  • Car:JZX100

Posted 25 January 2018 - 11:27 PM

Hi all,


I recently swapped a 1JZ-GT VVTi engine (from Chaser JZX100) into a non-turbo JZX100 Mark ii Car (came with a 1JZ-G VVti engine). I just plugged the new ECU to the old dashboard ECU plugs: The engine started fine and most of my display features seem to work, except for the check engine light. The thing is that I can't find an ECU pin-out of my previous 1JZ-G  ECU (where the check engine light does turn on), but I don't think there's much rewiring to do, otherwise the car would't start and run I think. The car is mostly stock: I only installed a Walbro 255 lph fuel pump (original wiring), AEM wideband and electronic exhaust bypass. I know there's a way to run engine diagnostics by jumping the TE1 and E1 pins, but I would really like to make it work on my dashboard: Maybe there are important things to re-pin on the dashboard cluster , because I have warm start issues too. But that's another thing... I've attached a picture of my previous (non-turbo) ECU. Thank you all in advance! 

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Also tagged with one or more of these keywords: jzx100, wiring, ecu, cel, dashboard, swap, electronics, light, display, chaser, mk ii

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