The Ultimate Supra Upgrade: Nexus S3 Plug ‘n’ Play Kit for JZA80
Transform your Toyota Supra JZA80 (2JZ-GTE Non-VVTi) into a modern supercar with the Haltech Nexus S3 Plug ‘n’ Play Adapter Kit. This package combines the flagship Nexus S3 ECU with a dedicated adaptor harness, providing a complete engine management solution that installs in minutes. The Nexus S3 offers unparalleled processing power, integrated power distribution (PDM), on-board wideband control, and Wi-Fi data logging, bringing 21st-century technology to the legendary Mk4 Supra platform.
Total Control for the 2JZ
The kit is designed for manual transmission cars and supports all factory engine functions. The Nexus S3 enables advanced features like rolling anti-lag, traction control, cruise control, and multi-stage boost control. The integrated 4-bar MAP sensor and wideband controller simplify the installation of high-performance sensors. With the auxiliary I/O breakout, you can easily add ethanol content sensors for flex-fuel tuning or pressure sensors for engine protection strategies.
Technical Specifications
| Feature | Specification |
|---|---|
| ECU Model | Haltech Nexus S3 |
| Vehicle Suitability | Toyota Supra JZA80 (Mk4) |
| Engine Suitability | 2JZ-GTE (Non-VVTi) |
| Transmission | Manual Transmission Only |
| On-Board Features | Wideband, 4-Bar MAP, PDM, Wi-Fi |
Kit Includes
- Haltech Nexus S3 ECU
- Overmoulded Plug ‘n’ Play Adaptor Harness
- M14 x 1.5 Air Temp Sensor with Plug & Pins
- Auxiliary I/O 12 Pin DTM Plug & Pins










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