OKI M66507 Based ECUs

From SNAKE WIKI
OKI M66507 Based ECUs

Description

OKI M66507 Based ECUs is an Evolution of an OKI M66207 Based ECUs.
Introduced in 1997 OBD1 generation of ECUs for B, D Series of Engines.
Still have OBD1 Plugs and OBD1 Emission (primary O2 only), but have more modern OBD2A hardware, such as OKI M66507 MCU.

Unlike the OKI M66207 based ECUs, this generation doesn't have an external EPROM and cannot be chipped.

Compatible Devices

Equipped in Cars

Known ECU Revisions

ECU Revision Code Location


ECU List

ECU Label Decode
Chasis Code Location
ECU Code Engine Chasis Codes
P1H D16Y2 SOHC VTEC
P1J D14A2 SOHC
P1K D16Y3 SOHC
P9K B18C4 DOHC VTEC MB6, MC2
P9L D15Z8 SOHC VTEC-E MB3, MB9


Hardware Modifications

Pinout Diagram

M66507 OKI Pinout.jpg