Cars · Wiring
P05 OBD1 ECU (1992–1995 Civic CX D15B8)
P05 OBD1 ECU for 1992–1995 Honda Civic CX with D15B8 SOHC engine, single-wire O2 sensor, and integrated catalytic converter. Base platform for non-VTEC tuning and conversion projects.
Overview
The P05 is an OBD1 engine control unit designed for the 1992â1995 Honda Civic CX equipped with the D15B8 SOHC non-VTEC engine. This ECU variant features:
- Engine: D15B8 SOHC (single overhead cam), non-VTEC
- Emissions: Integrated catalytic converter with single-wire O2 sensor
- Platform: OBD1 diagnostic standard
- Application: Fuel-efficient compact engine control
The P05 represents an OBD1 evolution of the earlier 1988â1991 HF (high-fuel-efficiency) motor series and serves as a foundation for tuning and engine conversion projects.
Note
This ECU is commonly used in conversion and tuning applications due to its compatibility with non-VTEC D-series engines and straightforward OBD1 architecture.
Key Specifications
| Specification | Value |
|---|---|
| OBD Standard | OBD1 |
| Engine | D15B8 SOHC Non-VTEC |
| Catalytic Converter | Integrated |
| O2 Sensor | Single-wire |
| Primary Application | 1992â1995 Civic CX |
| Fuel System | Carburetor or fuel injection |
Reference Images
*Original P05 ECU unit*
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