The Ultimate Honda Upgrade: Nexus S3 Plug ‘n’ Play Kit (OBD-I)
Transform your classic OBD-I Honda (Civic EG, Integra DC2, Prelude BB) into a modern performance machine with the Haltech Nexus S3 Plug ‘n’ Play Adapter Kit. This kit combines the flagship Nexus S3 VCU with a direct-fit adaptor harness, offering unparalleled control and features for B, D, and H-series engines. The Nexus S3 integrates an ECU, Wideband Controller, Power Distribution Module (PDM), and Data Logger, simplifying your wiring while maximizing capability.
Total System Integration
The included harness connects the Nexus S3 directly to your factory OBD-I wiring, supporting all OEM functions. The Nexus S3 enables advanced motorsport strategies like traction control, rolling anti-lag, and multi-stage boost control. With on-board Wi-Fi, you can tune wirelessly and download data logs instantly. The auxiliary I/O allows for easy expansion to add sensors for oil pressure, fuel pressure, and ethanol content, making it the perfect choice for high-horsepower street or track builds.
Technical Specifications
| Feature | Specification |
|---|---|
| ECU Model | Haltech Nexus S3 |
| Vehicle Suitability | Honda Civic (92-95), Integra (92-95), Prelude (92-95), Accord (90-95) |
| On-Board Features | Wideband, 4-Bar MAP, PDM, Wi-Fi |
| Transmission | Manual Transmission Only |
Kit Includes
- Haltech Nexus S3 ECU
- Injection Moulded Plug ‘n’ Play Adaptor Harness
- M14 x 1.5 Air Temp Sensor with Plug & Pins
- Auxiliary I/O 16 Pin Plug & Pins










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