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M66911 Denshigiken - Revision history
2026-05-12T15:59:08Z
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SnakeTuning: /* Known ECU Revisions */
2024-06-05T11:45:10Z
<p><span dir="auto"><span class="autocomment">Known ECU Revisions</span></span></p>
<p><b>New page</b></p><div>{{DISPLAYTITLE:Denshigiken M66911 Based ECUs}}<br />
[[File:M66911_Denshigiken_ECU.jpg|thumb|left|400px|Denshigiken M66911 Based ECUs]]<br />
== Description ==<br />
'''Denshigiken M66911 Based ECUs''' also widely known as '''Honda Accord Prelude OBD1 ECU'''.<br/><br />
Introduced in 1990 OBD1 generation of ECUs for F, H Series of Engines based on OKI M66911 MCU.<br/><br />
<br />
Use external EPROM and can be reprogrammed with any stock ROM of this ECU Family <br clear=all><br />
<br />
==Compatible Devices==<br />
*[[MD0|SNAKE MINI DIZZY]] - Distributor Removal Solution with Coil on Plug Conversion<br />
<br />
==Equipped in Cars==<br />
{{M66911_Denshigiken_Cars}}<br />
<br />
==Known ECU Revisions==<br />
{{M66911_Denshigiken_Revisions}}<br />
<br />
== ECU List ==<br />
[[File:Honda_ECU_Label.jpg|thumb|right|ECU Label Decode]]<br />
[[File:Honda_VIN_Label.jpg|thumb|right|Chasis Code Location]]<br />
<br />
{| class="wikitable"<br />
|-<br />
! ECU Code!! Engine !! Chasis Codes<br />
|-<br />
| [[PT3]] || [[F22A1]] SOHC ||<br />
|-<br />
| [[PT5]] || [[F20A7]] SOHC ||<br />
|-<br />
| [[PT6]] || [[F22A6]] SOHC ||<br />
|-<br />
| [[P0A]] || [[F22B1]] SOHC [[VTEC]]||<br />
|-<br />
| [[P0B]] || [[F22B]] SOHC ||<br />
|-<br />
| [[P0C]] || [[F22B]] DOHC ||<br />
|-<br />
| [[P0K]] || [[F22B5]] SOHC ||<br />
|-<br />
| [[P0L]] || [[F20B3]] SOHC ||<br />
|-<br />
| [[P11]] || [[F20A4]] SOHC ||<br />
|-<br />
| [[P12]] || [[F22A1]] SOHC ||<br />
|-<br />
| [[P13]] || [[H22A]] DOHC [[VTEC]] ||<br />
|-<br />
| [[P14]] || [[H23A]] DOHC ||<br />
|-<br />
| [[P39]] || [[F22B]] DOHC ||<br />
|}<br />
<br />
==Hardware Modifications==<br />
*Prepare ECU for [[M66911_Denshigiken_MOD_MD0|SNAKE MINI DIZZY]] Signals<br />
<br />
==Pinout Diagram==<br />
[[File:M66911_Denshigiken_Pinout.jpg|center]]</div>
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