Denso R2B calibration — Denso ECU — Toyota/Mazda/Subaru, a closed platform with a proprietary algorithm. Supported: Stage 1 — power tuning, software removal of the diesel particulate filter / EGR / catalyst control, disabling the intake flaps and DTC removal, return to stock on 8 modifications only on Mazda. Reading via KESS3 / KTAG / Autotuner / MagicMotorSport.
The Denso R2B is used across 1 brand: Mazda (8). 8 engines in total in the database.
The Denso R2B ECU supports: STAGE 1, LAMBDA OFF, CHECK STOCK OR NOT, DPF OFF, DTC OFF, FLAPS OFF, EGR OFF, RESET TO STOCK. Checksums are recalculated on the engineer's side in WinOLS5.
The Denso R2B is supported by: specialized tooling (Toyota Denso is closed to standard WinOLS). On production models OBD reading is usually enough; on locked variants — Bench (BDM/JTAG).
Stage 1 on the diesel Denso R2B reprograms rail pressure target, SOI/EOI timing, boost target, smoke limiter and torque limiter. The torque gain is noticeable; the HP gain depends on the specific engine.
Denso R2B calibration requires a full read of the unit — bin/hex/ori. Programmers: KESS3 / Autotuner / CMD Flash / FGTech Galletto. Checksums — on the engineer's side.
Reading and writing over OBD take 25-30 minutes. Bench reading requires opening the unit — about 60 minutes. Remote processing of a Denso R2B file at CHIPOK — 5-30 minutes.
The price of Denso R2B calibration depends on the selected options: Stage 1/2, DPF/EGR/AdBlue off, DTC off. The Max Price cap limits the package total. Paid with CHIPOK credits (1 cr = 1 €).