Toyota RAV4 2.2 D-CAT DPF Off Firmware 89663-42782
Catalog overview of Toyota RAV4 2.2 D-CAT engine firmware 89663-42782, ECU part number 89661-42F22, and its DPF off variant.
89663-42782 is a Toyota RAV4 2.2 D-CAT engine-control calibration listed here as a DPF off variant. The catalog associates it with ECU spare-part number 89661-42F22 and the file Denso 76F00XXSVEDIT.bin.
What the engine firmware controls
The Denso engine control unit manages diesel engine operation, including fuel injection and emissions-related functions. On a D-CAT vehicle equipped with a diesel particulate filter, the engine-control software also supports filter monitoring and regeneration. Regeneration raises exhaust temperatures to burn accumulated soot and keep the filter operating.
The DPF off label identifies this file as a modified variant intended to disable diesel particulate filter functions in the engine software. In practice, such a modification can affect filter monitoring, regeneration requests and related fault reporting. The label alone does not establish exactly which routines or diagnostic codes have been changed in this file.
How the identifiers fit together
89663-42782 identifies the software calibration, while 89661-42F22 is the associated Toyota engine ECU spare-part number. Denso 76F00XXSVEDIT.bin is the named binary file for this DPF off entry. These identifiers distinguish the record from other Toyota diesel ECU files, but do not by themselves establish compatibility with every RAV4 2.2 D-CAT.
Disabling emissions controls can affect fault diagnosis and may make a vehicle illegal for road use. A DPF off label should not be treated as evidence that the underlying cause of a filter or engine fault has been repaired.