ECU location

Q8_TwinTurbo

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Can someone be helpful and inform us where the A90 Supra ECU/DME is located.
 

Q8_TwinTurbo

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Thank you Justin.
 

Q8_TwinTurbo

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I also managed to find these diagrams under ECM in the workshop manual PDF.


REMOVAL
CAUTION / NOTICE / HINT

CAUTION:
Working on 12 V vehicle electrical system.
Risk of short circuits! Risk of fire!
Detach battery earth lead from battery.
PROCEDURE


1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

2. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY

3. REMOVE ECM

NOTICE:
Electrostatic discharge.
Damage to or destruction of electrical components.
Only touch the housings of electrical components. Do not touch pins or multi-pin connectors directly.



upload_2019-10-26_10-57-48.png


View attachment 18252



(a) Release snap-lock couplings (1).
(b) Feed the cover (2) out toward the top and remove.
upload_2019-10-26_10-40-7.png




(c) Unlock and disconnect all plug connections (1).
upload_2019-10-26_10-42-10.png



(d) Unlock the locks (1).


View attachment 18251

View attachment 18254

upload_2019-10-26_10-43-35.png
 

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Andrew4Supra

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Question... Can one determine the ecu date stamp without pulling the ecu out? Thanks

My 2021 has a build date noted in the door jamb of 7/20. Wonder if mine is locked?
 

Andrew4Supra

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No you have to lift it up slightly to get to the sticker.
~ Okay. Must I disconnect the battery to do so? Also is it fairly easy to pull up on the ecu once the plastic cover is removed? Thanks
 

Andrew4Supra

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~ I was able to pull up on the ecu and determine the date. See below. Locked or unlocked?!? Looks to be dated 6/29/20

F89DD619-1CC2-457E-A3FD-34C080FD6C7E.jpeg
 
 




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