rusefi_documentation/uaEFI-Honda-OBD1.md

Ultra Affordable EFI for Honda OBD1

Community Support

🔴Community support ONLY 🔴 https://www.facebook.com/groups/rusEfi 🔴 Discord🔴

Technical Details

See https://github.com/rusefi/rusefi/wiki/uaEFI

pinout

Schematics rev a

Features

• on-board LSU 4.9 controller exposed on extra ECU plug
• flex fuel sensor input exposed on extra ECU plug
• option to use coil on plugs see J4
• option to convert to hall position sensors see J5
• option to upgrade to electronic throttle body J1+J2

Micro Fit

• harness side 2x3 0430250600
• harness side 2x4 0430250808
• harness side terminal 0430300001
• PCB side 2x3 0430450612

See https://github.com/rusefi/rusefi/wiki/Vault-Of-Honda-OEM#obd-1

OEM Cases

37820-p2e OBD2 case looks very similar to P28 OBD1 case