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Discussion Starter · #1 ·
I've located all this, but does anyone know the numbers for the US-spec TT Auto 96-98 Supra ECUs?


Aristo ECU Part Number:
- 89661-35060 (91-93)
- 89661-30870 (93-97)

Supra ECU Part Numbers (Auto, J-Spec, NA):
- 89661-14600 (93-97)
- 89661-14810 (97-99)

Supra ECU Part Numbers (Auto, J-Spec, TT):
- 89661-14490 (9305-9310)
- 89661-14491 (9310-9605)

Supra ECU Part Numbers (5Spd, J-Spec, NA):
- 89661-14610 (only number listed)

Supra ECU Part Numbers (6Spd, J-Spec, TT):
- 89661-14500 (9305-9310)
- 89661-14501 (9310-9605)
- 89661-14770 (9605-9709)
- 89661-14830 (9709-)

Aristo ECU (JZS16#)
- 89661-3A470 (9708-0007)
- 89666-30180 (0007-)

The ECU part number depends on the age of the car.
2JZ-GTE engine
jzs=Aristo
89661-30510 = JZS147..Q Oct 91 - Aug 93
89661-30750 = JZS147..Q Aug 93 - Aug 95
89661-30880 = JZS147..Q Jul 94 - Feb 95
89661-3A180 = JZS147..Q Aug 95 on

2JZ-GTE engine
89661-30560 = JZS147..V Oct 91 - Aug 93
89661-30870 = JZS147..V Aug 93 on
 

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Discussion Starter · #3 ·
All the US Spec numbers appear to be missing, actually. Noted!

Aristo ECU Part Number:
- 89661-35060 (91-93)
- 89661-30870 (93-97)

Supra ECU Part Numbers (Auto, J-Spec, NA):
- 89661-14600 (93-97)
- 89661-14810 (97-99)

Supra ECU Part Numbers (Auto, J-Spec, TT):
- 89661-14490 (9305-9310)
- 89661-14491 (9310-9605)

Supra ECU Part Numbers (5Spd, J-Spec, NA):
- 89661-14610 (only number listed)

Supra ECU Part Numbers (6Spd, J-Spec, TT):
- 89661-14500 (9305-9310)
- 89661-14501 (9310-9605)
- 89661-14770 (9605-9709)
- 89661-14830 (9709-)

Supra ECU Part Numbers (6-speed, US Spec, TT):
- 89661-14520 (93.5-95)

Aristo ECU (JZS16#)
- 89661-3A470 (9708-0007)
- 89666-30180 (0007-)

The ECU part number depends on the age of the car.
2JZ-GTE engine
jzs=Aristo
89661-30510 = JZS147..Q Oct 91 - Aug 93
89661-30750 = JZS147..Q Aug 93 - Aug 95
89661-30880 = JZS147..Q Jul 94 - Feb 95
89661-3A180 = JZS147..Q Aug 95 on

2JZ-GTE engine
89661-30560 = JZS147..V Oct 91 - Aug 93
89661-30870 = JZS147..V Aug 93 on
 

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Figured i would jump here with my question.

I need to know how to tell the difference between California ECU's and normal ECU's.

I have 2 non turbo cars and i think this may be my issue with one of them but not the other. Just want to clear it up as to know which one is what for the ecu's.
 

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89661-14560 = USDM NA Automatic Cali Spec 05/1993 - 06/1996
89661-14580 = USDM NA Automatic 05/1993 - 06/1996

89661-14570 = USDM NA 5spd Cali Spec 05/1993 - 06/1996
89661-14590 = USDM NA 5spd 05/1993 - 06/1996
 

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I have a 24321 that's plugged up now what is that for?
 

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Okay after some research I think I found my issue I'm using a sc300 5spd ecu for California spec
 

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thats a SC300 ECU

89661-24321 = USDM JZZ31 5spd Cali Spec 01/1992 - 07/1993
 

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Okay last one my auto supra now is using a

24350 what is this for?
 

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Discussion Starter · #11 · (Edited)
This is a list of ECUs designed to run the 2JZ-GE and 2JZ-GTE engines. Ultimately I’d like to have a complete list compiled eventually if we can. Thank you to everyone that has contributed.

SUPRA MKIV
USDM
Supra ECU Part Numbers (Auto, USDM, NA-Cali)
- 89661-14560 05/1993 - 06/1996
Supra ECU Part Numbers (Auto, USDM, NA)
- 89661-14580 05/1993 - 06/1996
Supra ECU Part Numbers (5spd, USDM, NA-Cali)
- 89661-14570 05/1993 - 06/1996
Supra ECU Part Numbers (5spd, USDM, NA)
- 89661-14590 05/1993 - 06/1996
Supra ECU Part Numbers (6-speed, US Spec, TT):
- 89661-14520 (93.5-95)
Supra ECU Part Numbers (Auto, US Spec, TT):
- 89661-14710 (1996.01-1996.08)
JDM
Supra ECU Part Numbers (Auto, J-Spec, NA):
- 89661-14600 (93-97)
- 89661-14810 (97-99)
Supra ECU Part Numbers (Auto, J-Spec, TT):
- 89661-14490 (9305-9310)
- 89661-14491 (9310-9605)
Supra ECU Part Numbers (5Spd, J-Spec, NA):
- 89661-14610 (only number listed)
Supra ECU Part Numbers (6Spd, J-Spec, TT):
- 89661-14500 (9305-9310)
- 89661-14501 (9310-9605)
- 89661-14770 (9605-9709)
- 89661-14830 (9709-)

- 89661-14511 FS Auto TT ecu?

SC300
SC300 ECU Part Numbers (5spd, USDM)
- 89661-24321 (01/1992 - 07/1993)

ARISTO
Aristo ECU Part Numbers:
- 89661-35060 (91-93)
- 89661-30870 (93-97)
Aristo ECU (JZS16#)
- 89661-3A470 (9708-0007)
- 89666-30180 (0007-)
Aristo ECU (Unknown Configuration)
-89661-30510 = JZS147..Q Oct 91 - Aug 93
-89661-30750 = JZS147..Q Aug 93 - Aug 95
-89661-30880 = JZS147..Q Jul 94 - Feb 95
-89661-3A180 = JZS147..Q Aug 95 on
-89661-30560 = JZS147, TT, ..V Oct 91 - Aug 93
-89661-30870 = JZS147, TT, ..V Aug 93 on


Additional notes:
The ECU part number depends on the age of the car.
jzs=Aristo
 

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I have a 93.5 TT auto supra with ECU:
89661-14510
 

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Discussion Starter · #13 · (Edited)
This is a running list of OEM ECUs designed to run the 2JZ-GE and 2JZ-GTE engines. Please include yours. Thank you to everyone that has contributed.

SUPRA MKIV
USDM
Supra ECU Part Numbers (Auto, USDM, TT)
-89661-14510 Year: 1993.5
Supra ECU Part Numbers (6-speed, US Spec, TT):
- 89661-14520 (93.5-95)
Supra ECU Part Numbers (Auto, USDM, NA-Cali)
- 89661-14560 05/1993 - 06/1996
Supra ECU Part Numbers (5spd, USDM, NA-Cali)
- 89661-14570 05/1993 - 06/1996
Supra ECU Part Numbers (Auto, USDM, NA)
- 89661-14580 05/1993 - 06/1996
Supra ECU Part Numbers (5spd, USDM, NA)
- 89661-14590 05/1993 - 06/1996
Supra ECU Part Numbers (Auto, US Spec, TT):
- 89661-14710 (1996.01-1996.08)

JDM
Supra ECU Part Numbers (Auto, J-Spec, NA):
- 89661-14600 (93-97)
- 89661-14810 (97-99)
Supra ECU Part Numbers (Auto, J-Spec, TT):
- 89661-14490 (9305-9310)
- 89661-14491 (9310-9605)
Supra ECU Part Numbers (5Spd, J-Spec, NA):
- 89661-14610 (only number listed)
Supra ECU Part Numbers (6Spd, J-Spec, TT):
- 89661-14500 (9305-9310)
- 89661-14501 (9310-9605)
- 89661-14770 (9605-9709)
- 89661-14830 (9709-)

- 89661-14511 FS Auto TT ecu?

SC300
SC300 ECU Part Numbers (5spd, USDM)
- 89661-24321 (01/1992 - 07/1993)

ARISTO
Aristo ECU Part Numbers:
- 89661-35060 (91-93)
- 89661-30870 (93-97)
Aristo ECU (JZS16#)
- 89661-3A470 (9708-0007)
- 89666-30180 (0007-)
Aristo ECU (Unknown Configuration)
-89661-30510 = JZS147..Q Oct 91 - Aug 93
-89661-30750 = JZS147..Q Aug 93 - Aug 95
-89661-30880 = JZS147..Q Jul 94 - Feb 95
-89661-3A180 = JZS147..Q Aug 95 on
-89661-30560 = JZS147, TT, ..V Oct 91 - Aug 93
-89661-30870 = JZS147, TT, ..V Aug 93 on


Additional notes:
The ECU part number depends on the age of the car.
jzs=Aristo
 

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I don't know for sure, but according to the pattern of the list I would bet that it is an SC300 ECU.


Part 89661-24350 (COMPUTER, ENGINE CONTROL) was found on the following models:


08/1991-12/1993 JZZ31L-ACPVFA USA, 2JZGE, ATM, 4FC SC300
 

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Which one of these are for the VVTI with auto?
Supra ECU Part Numbers (Auto, J-Spec, TT):
- 89661-14490 (9305-9310)
- 89661-14491 (9310-9605)
 

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Anyone have a 14590 for sale?
 

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Adding another USDM 6spd ECU part # to the list 89661-14521.
Toyota system states this is part is for 94-96. Curious if anyone with 97-98 6spd owners can confirm.

Supra ECU Part Numbers (6-speed, US Spec, TT):
- 89661-14520 (93.5-95)
 
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