M66911 Denshigiken: Difference between revisions
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Latest revision as of 11:45, 5 June 2024
Description
Denshigiken M66911 Based ECUs also widely known as Honda Accord Prelude OBD1 ECU.
Introduced in 1990 OBD1 generation of ECUs for F, H Series of Engines based on OKI M66911 MCU.
Use external EPROM and can be reprogrammed with any stock ROM of this ECU Family
Compatible Devices
- SNAKE MINI DIZZY - Distributor Removal Solution with Coil on Plug Conversion
Equipped in Cars
- 90-93 Honda Accord 4.
- 93-95 Honda Accord 5. USA Spec.
- 93-97 Honda Accord 5. EUR Spec.
- 92-96 Honda Prelude 4.
Known ECU Revisions
Square Case ECUs (early 90-93 models)
Rectangle Case ECUs (later 92-95 models)
ECU List
| ECU Code | Engine | Chasis Codes |
|---|---|---|
| PT3 | F22A1 SOHC | |
| PT5 | F20A7 SOHC | |
| PT6 | F22A6 SOHC | |
| P0A | F22B1 SOHC VTEC | |
| P0B | F22B SOHC | |
| P0C | F22B DOHC | |
| P0K | F22B5 SOHC | |
| P0L | F20B3 SOHC | |
| P11 | F20A4 SOHC | |
| P12 | F22A1 SOHC | |
| P13 | H22A DOHC VTEC | |
| P14 | H23A DOHC | |
| P39 | F22B DOHC |
Hardware Modifications
- Prepare ECU for SNAKE MINI DIZZY Signals
Pinout Diagram
