Haltech Nexus S3 Standalone ECU w/ Plug and Pin Set
Fits Most Models
HT-213100
Overview:
The Haltech Nexus S3 Standalone ECU is a powerful engine management solution designed as the successor to the highly regarded Elite 2500. It combines the proven features of its predecessor with enhanced processing power and advanced functionality from the Nexus platform. This ECU is ideal for enthusiasts and tuners seeking precise control over fuel injection, ignition, and other engine parameters to optimize performance and drivability.
Whether you are upgrading a street car, building a race vehicle, or developing a custom engine setup, the Nexus S3 offers the flexibility and reliability needed to meet demanding tuning requirements. Its broad compatibility ensures it fits most vehicle models, making it a versatile choice for a wide range of applications.
Key Features:
The Nexus S3 ECU is packed with advanced inputs, outputs, and integrated sensors to provide comprehensive engine management capabilities:
- 8 peak/hold injector drivers configurable as low side drive outputs for flexible fuel control
- 8 low current ignition outputs, also usable as low side drive outputs for ignition or auxiliary control
- 6 PWM-capable low side drive outputs (DPOs) for accessories or additional actuators
- 4 push-pull / half-bridge outputs rated at 8A with PWM capability, suitable for electronic throttle control
- 1 Electronic Control Relay (ECR) output for managing fuel pumps or other high-current devices
- 11 analog 0-5V inputs with redundancy for electronic throttle and switchable 5V pull-up resistors
- Trigger and home inputs featuring differential inputs, adjustable thresholds, and glitch filters for accurate sensor readings
- 6 synchronous pulsed inputs configurable as cam sensor inputs, frequency inputs, or analog inputs
- On-board wideband controller compatible with NTK and LSU4.9 sensors for precise air-fuel ratio monitoring
- Integrated 4 bar MAP sensor for accurate manifold pressure measurement
- Dual CAN ports with switchable termination for seamless communication with other vehicle systems
- Superseal 34-pin (Key 1) connector with included plug and pin set compatible with Nexus products using Key 2 / 34 position connectors
Construction & Design:
The Nexus S3 ECU is engineered with robust electronics housed in a compact, durable enclosure designed to withstand the harsh automotive environment. Its advanced processing unit delivers fast and accurate calculations, enabling real-time engine management adjustments. The use of high-quality connectors and wiring components ensures reliable signal transmission and ease of installation.
Designed for tuners and professional installers, the ECU’s architecture supports extensive customization and integration with a variety of sensors and actuators, making it adaptable to complex engine setups and aftermarket modifications.
Installation & Fitment:
This standalone ECU fits most vehicle models, providing broad compatibility for a wide range of engines and configurations. The included plug and pin set is compatible with Haltech Nexus products that use the Key 2 / 34 position connector, simplifying wiring and integration.
Installation requires professional tuning and wiring knowledge to ensure optimal performance. The package includes a quick start guide and wiring diagram to assist with setup. No cutting or drilling of the ECU housing is necessary, but custom wiring harness modifications may be required depending on the vehicle.
What's Included:
- Haltech Nexus S3 Standalone ECU unit
- Plug and pin set compatible with Key 2 / 34 position Nexus connectors
- Quick start guide for initial setup
- Wiring diagram to assist with installation
Ideal For:
- Performance enthusiasts upgrading engine management systems
- Custom engine builds requiring precise fuel and ignition control
- Street and race vehicles needing advanced tuning flexibility
- Tuners seeking integrated wideband and MAP sensor functionality
- Users requiring compatibility with a wide range of vehicle models
