TOYOTA · GEN1 ECU

TOYOTA ISIS GEN1 tuning files

Everything we work with on the TOYOTA ISIS fitted with the GEN1. The matched variants sit between 155 and 155 HP from the factory. 2 distinct variants are catalogued here. Stage 1 and Stage 2 are the safe starting points for this platform. We match the right calibration to your exact software and validate it before delivery.

Upload your file →All ISIS coverage Custom ECU tuning file service

Available solutions

Solutions that apply to the GEN1 on this vehicle platform. The exact set depends on the specific engine and software version.

Stage 1 Stage 2

Engine variants & ECU software

2 distinct variants for the TOYOTA ISIS on the GEN1 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 2000 155HP
Engine code: 1AZ-FSE
Controller brand: DENSO
ECU: GEN1
Stock power: 155 HP
ECU SW: 89663-28441
ECU HW: 89663-XXXXX
SW upgrade: 32844100
Calibration: 32844100

Variant 2

ECU

Catalog engine: 2000 155HP
Engine code: 1AZ-FSE
Controller brand: DENSO
ECU: GEN1
Stock power: 155 HP
ECU SW: 89663-28452
ECU HW: 89663-XXXXX
SW upgrade: 32845200
Calibration: 32845200

Related vehicles

Other vehicles built on the GEN1 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the TOYOTA ISIS on the GEN1?

Stage 1, Stage 2. The exact set depends on the specific engine and software version.

Do you cover the GEN1 ECU software on this model?

Yes — the TOYOTA ISIS on the GEN1 ECU is part of the catalog. Upload your original file and it is matched to the right calibration before any work is done.

How is the file delivered?

Through the TuningBay workflow with operator validation and one safe, sensible result per job. Files we deliver, we stand behind.