Denso 4D56 calibration — Denso ECU — Toyota/Mazda/Subaru, a closed platform with a proprietary algorithm. Supported: Stage 1 — power tuning and software removal of the diesel particulate filter, EGR, AdBlue only on Mitsubishi. Reading via KESS3 / KTAG / Autotuner / MagicMotorSport.
The Denso 4D56 unit is found on 0 different engines. Main brands: Mitsubishi (0).
The Denso 4D56 ECU supports: CHECK STOCK OR NOT, DPF OFF, STAGE 1, ADBLUE OFF, EGR OFF. Checksums are recalculated on the engineer's side in WinOLS5.
The Denso 4D56 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 Denso 4D56 reprograms the main ECU maps: injection, boost, torque. The exact set depends on the fuel type and architecture.
The original bin/hex/ori is accepted after reading via KESS3 / Autotuner / CMD Flash / FGTech Galletto. Checksums are recalculated on the engineer's side.
OBD flashing of the Denso 4D56 — 25-30 minutes, Bench (if needed) — about an hour. The file processing itself takes 5-30 minutes after receipt.
The cost of a Denso 4D56 file is built in the calculator: you pick the operations you need (Stage 1, emissions removals, service operations) and the price is calculated with the package discount applied.