OKI M66589 Based ECUs

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OKI M66589 Based ECUs

Description

OKI M66589 Based ECUs is an evolution of OBD2A ECU Families
Introduced in 1998 OBD2B generation of ECUs for F, H Series of Engines based on OKI M66589 MCU.

This generation doesn't have an external EPROM and cannot be chipped.

Compatible Devices

Equipped in Cars

  • 98-02 Honda Accord 6. EUR Spec. (Regular O2)

Known ECU Revisions

ECU Revision Code Location


ECU List

ECU Label Decode
Chasis Code Location
ECU Code Engine Chasis Codes
PDE H22A7 DOHC VTEC CH1
PVB F23Z5 SOHC VTEC


Hardware Modifications

Pinout Diagram

M66589 OKI Pinout.jpg