LS - 1st and 2nd Gen (1990-2000) Discussion topics related to the 1990 - 2000 Lexus LS400

ECU from SC400 in '93 LS400 ?

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Old 05-23-14, 04:03 PM
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DriftPaRX7
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Default ECU from SC400 in '93 LS400 ?

I have a 1993 LS400 and it has a bad ECU. Can I use an SC400 ECU? My car is an auto. Thank you in advance

Last edited by RA40; 05-23-14 at 06:35 PM. Reason: descriptive title
Old 05-24-14, 10:30 PM
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Yamae
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The direct replacement can't be done. It would not be impossible, if you were skilled extremely high and had the circuit diagram + the firmware data.

I'd simply fix the original ECU. That's far easier and quicker.
Old 05-25-14, 08:35 AM
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python
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the sc 400's have different injectors..i don't know if that's a factor or not regarding the ecm.
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