Nexus Connectivity for EP3/DC5: Adapter Harness
Connect the cutting-edge Haltech Nexus S2 or S3 ECU to your Honda Civic EP3 or Integra DC5 / Acura RSX with this dedicated Plug ‘n’ Play Adapter Harness. This harness bridges the gap between the factory Honda K-series wiring loom and the advanced Nexus VCU platform. It is compatible with 2002-2005 EP3 and 2002-2004 DC5 models, allowing for a complete modernization of the engine management system.
Ready for Expansion
The harness enables the Nexus ECU to control all engine functions, including i-VTEC and idle control. It provides an auxiliary I/O breakout for easy expansion, allowing you to add wideband O2 sensors, fuel pressure monitoring, or flex-fuel sensors without cutting into the factory loom. Note that factory multiplexed dash functions are not supported, making this ideal for race cars with digital dashes.
Technical Specifications
| Feature | Specification |
|---|---|
| Vehicle Suitability | Honda EP3 (02-05), DC5/RSX (02-04) |
| Compatible ECUs | Haltech Nexus S2 / Nexus S3 |
| Transmission | Manual Transmission Only |
| Limitations | No Multiplex Dash Support |
Kit Includes
- Injection Moulded Plug ‘n’ Play Adaptor Harness
- M14 x 1.5 Air Temp Sensor with Plug & Pins
- Auxiliary I/O 16 Pin Plug & Pins
Note: ECU is NOT included. This is the harness only.
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