M66589 Keihin: Difference between revisions

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Latest revision as of 11:43, 5 June 2024

Keihin M66589 Based ECUs

Description

Keihin M66589 Based ECUs is an evolution of OBD2A ECU Families
Introduced in 1998 OBD2B generation of ECUs for B, D, F and 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

Known ECU Revisions

ECU Revision Code Location

Honda Civic/Integra ECUs

Honda CR-V/Accord ECUs


ECU List

ECU Label Decode
Chasis Code Location
ECU Code Engine Chasis Codes
P72 B18C1 (USDM Case) / B18C (JDM Case) DOHC VTEC
P73 B18C DOHC VTEC DC2 TypeR
P2E D15Z4 SOHC
P2P D16Y8 SOHC VTEC
P2T B16A2 DOHC VTEC EK4
P2Y D15Z6 SOHC VTEC-E
P3F B20B8 DOHC RD1, RD2, RD3
PAA F23A1 SOHC VTEC
PCT B16B DOHC VTEC EK9 TypeR
PHK B20Z2 DOHC RD1, RD2, RD3


Hardware Modifications

Pinout Diagram

M66589 Keihin Pinout.jpg