
Haltech Nexus S2 ECU - ECU With Universal Harness 2.5m Long
by Haltech
£1720.00
GTIN09356450015837
EAN9356450015837
MPNHT-212200
Prices updated 16 Mar 2026
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Product Description
The Haltech Nexus S2 ECU is designed to provide advanced engine management capabilities, combining precise control with enhanced functionality for optimised vehicle performance. Built on the proven Nexus platform, it incorporates cutting-edge features and powerful processing to support complex tuning and control requirements.Discover the key features of this high-performance ECU:Injector and Ignition Control: Equipped with 4 peak/hold injector drivers and 4 low-current ignition outputs, allowing precise fuel and ignition management for enhanced engine efficiency and performance under demanding conditions.On-Board Wideband Controller: Includes a built-in wideband controller compatible with NTK and LSU4.9 sensors, enabling accurate air-fuel ratio monitoring and adjustments for optimal combustion and emissions control.Integrated MAP Sensor: Features a 4-bar on-board MAP sensor, capable of measuring manifold pressures up to 4 bar absolute, supporting high-boost applications with precise pressure tracking for superior engine response.Comprehensive I/O Options: Offers 11 analogue inputs with redundancy, 6 synchronous pulsed inputs, and push-pull half-bridge outputs for flexible control of complex systems like electronic throttles and cam sensors.Advanced Software and Connectivity: Controlled through the Nexus Software Programmer (NSP), it provides real-time tuning, long-term learning capabilities, and on-board Wi-Fi for convenient wireless access and datalogging with 128MB of storage.The Haltech Nexus S2 ECU equips you with the tools to take full control of your vehicle's engine management, enabling precise tuning for improved efficiency, reliability, and performance. Its advanced features, such as on-board datalogging and integrated Wi-Fi, streamline the process of monitoring and fine-tuning your setup, saving you time and effort during adjustments. Designed to handle complex engine configurations and high-performance demands, it supports features like multi-stage fuel injection, advanced torque management, and traction control, ensuring your vehicle operates at its best in all conditions. This ECU is a practical and robust addition to your setup, providing the capability and versatility needed for both everyday reliability and competitive performance.The Haltech Nexus S2 ECU is available as just the ECU or with different plug / wiring options to suit different applications:ECU With Plug & Pin Set - Includes a plug to fit the ECU socket and pins to allow for wire connection. Ideal for when a bespoke wiring loom is being producedECU With Universal Harness - Includes a set of ECU connectors at one end and unterminated wires at the other. All the wires at the unterminated end are colour coded and clearly labelled.Haltech Nexus S2 ECU Quick Start GuideHaltech Nexus S2 ECU Wiring Diagram
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