Denshigiken M66911 Based ECUs

Denshigiken M66911 Based ECUs

Description

Denshigiken M66911 Based ECUs also widely known as Honda Accord Prelude OBD1 ECU.
Introduced in 1990 OBD1 generation of ECUs for Accord and Prelude Chassis with F and H Engines based on OKI M66911 MCU.

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Compatible Devices

• SNAKE MINI DIZZY - Distributor Removal Solution with Coil on Plug Conversion

Known ECU Revisions

ECU Revision Number Location

Square Case ECUs (early 90-93 models)

• 02D01190-1504

Rectangle Case ECUs (later 92-95 models)

• 02D010B0-1502
• 02D01590-1510
• 02D01590-1511
  

ECU List

90-93 Accord (4th gen)

• PT3 - Accord F22A1
• PT5 - Accord F20A7
• PT6 - Accord F22A6

94-95 Accord (5th gen USA Spec)

• P0A - Accord EX
• P0B - Accord F22B SOHC nonVTEC
• P0C - Accord F22B DOHC nonVTEC

92-96 Prelude (4th gen)

• P11 - Prelude F20A4
• P12 - Prelude F22A
• P13 - Prelude H22A DOHC VTEC
• P14 - Prelude H23A nonVTEC
• P39 - Prelude F22B DOHC nonVTEC

Hardware Modifications

• Modify ECU for MINI DIZZY Signals

Pinout Diagram