Haltech Nexus S2 Standalone ECU w/ Plug and Pin Set
Fits Most Models
HT-212100
Overview:
The Haltech Nexus S2 Standalone ECU is a powerful engine management solution designed as the successor to the highly regarded Elite 1500. It combines proven features with enhanced processing power from the Nexus platform, delivering improved performance and expanded functionality for a wide range of vehicles.
Ideal for performance enthusiasts and tuners seeking precise control over fuel injection, ignition, and other engine parameters, the Nexus S2 offers advanced capabilities to optimize your vehicle’s power, drivability, and reliability.
With onboard Wi-Fi and datalogging, this ECU simplifies tuning and monitoring, making it suitable for street, track, and custom applications across most vehicle models.
Key Features:
The Haltech Nexus S2 ECU is packed with versatile inputs and outputs to support complex engine setups and accessories. Key features include:
- 4 peak/hold injector drivers, which can also function as low side drive outputs for flexible fuel control
- 4 low current ignition outputs, convertible to low side drive outputs for ignition or auxiliary control
- 6 low side drive outputs with PWM capability, ideal for controlling devices like fans or boost solenoids
- 4 push-pull / half bridge outputs rated at 8A with PWM support, perfect for electronic throttle control
- 1 ECR (Electronic Controlled Relay) output for advanced relay control
- 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
- On-board Wi-Fi for wireless tuning and data transfer
- 128MB of internal datalogging memory to capture detailed engine performance data
- Superseal 34-pin Key 1 connector with included plug and pin set compatible with Key 2 / 34 position Nexus products
Construction & Design:
The Nexus S2 ECU features a robust design with a Superseal 34-pin connector ensuring reliable, weather-resistant connections. Its compact housing is engineered for durability and ease of installation in a variety of engine bays. The advanced processing unit leverages the latest Nexus platform technology, providing faster computation and enhanced tuning flexibility compared to its predecessor.
Onboard components such as the wideband controller and MAP sensor reduce the need for external devices, streamlining your engine management setup and minimizing wiring complexity.
Installation & Fitment:
This standalone ECU is designed to fit most vehicle models, making it a versatile choice for custom engine management projects. The included plug and pin set ensures compatibility with Haltech Nexus products using the Key 2 / 34 position connector, simplifying integration into existing wiring harnesses.
Installation requires professional tuning to fully leverage the ECU’s capabilities. The unit supports wireless tuning via onboard Wi-Fi, allowing for convenient adjustments without physical connections during the tuning process.
What's Included:
- Haltech Nexus S2 Standalone ECU
- Plug and pin set compatible with Key 2 / 34 position Nexus connectors
- Quick Start Guide
- Wiring diagram for installation reference
Ideal For:
- Performance enthusiasts upgrading from the Elite 1500 ECU
- Custom engine builds requiring advanced fuel and ignition control
- Street and track vehicles needing precise tuning and datalogging
- Users seeking integrated wideband and MAP sensor functionality
- Tuners who prefer wireless ECU programming and monitoring
