TOYOTA · GEN3 ECU

TOYOTA HARRIER GEN3 tuning files

Everything we work with on the TOYOTA HARRIER fitted with the GEN3. Stock output across the matched variants spans 160–160 HP. 2 distinct variants are catalogued here. Stage 1 and Stage 2 are the safe starting points for this platform. Your file is built against the exact ECU software on the car, then operator-verified.

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

Available solutions

Solutions that apply to the GEN3 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 HARRIER on the GEN3 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 2000 160HP
Controller brand: DENSO
ECU: GEN3
Stock power: 160 HP
ECU SW: 89663-4D010
SW upgrade: 34D01000
Calibration: 34D01000

Variant 2

ECU

Catalog engine: 2000 160HP
Controller brand: DENSO
ECU: GEN3
Stock power: 160 HP
ECU SW: 89663-4D570
SW upgrade: 34D57000
Calibration: 34D57000

Related vehicles

Other vehicles built on the GEN3 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the TOYOTA HARRIER on the GEN3?

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

Do you cover the GEN3 ECU software on this model?

Yes — the TOYOTA HARRIER on the GEN3 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.