Haltech Nexus S3 Standalone ECU
Fits Most Models
HT-213000
Overview:
The Haltech Nexus S3 Standalone ECU is a powerful engine management system designed as the next step up from the highly regarded Elite 2500. It offers enhanced processing power and expanded functionality by leveraging the proven Nexus platform technology. This ECU is ideal for performance enthusiasts and tuners who demand precise control over fuel injection, ignition timing, and advanced engine parameters to optimize power and drivability.
Whether you are upgrading your existing setup or building a custom performance vehicle, the Nexus S3 provides a flexible and reliable solution that fits most models. It supports a wide range of sensors and outputs, making it suitable for street, track, or race applications where fine-tuned engine management is critical.
Key Features:
The Nexus S3 ECU combines comprehensive inputs and outputs with advanced control features to deliver exceptional tuning capability and engine performance.
- 8 peak/hold injector drivers configurable as low side drive outputs for versatile fuel control
- 8 low current ignition outputs, also usable as low side drive outputs, supporting multi-coil ignition setups
- 6 low side drive outputs with PWM capability, ideal for controlling auxiliary devices
- 4 push-pull / half bridge outputs rated at 8A with PWM support, perfect for electronic throttle control
- 1 ECR (Electronic Cam Retard) output for advanced ignition timing adjustments
- 11 analog inputs (0-5V) 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 for cam sensors, frequency inputs, or analog signals
- 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
Construction & Design:
The Nexus S3 ECU is engineered with a robust hardware platform that ensures reliable operation under demanding conditions. Its compact design allows for flexible installation in a variety of engine bays and custom builds. The advanced processing unit delivers fast and accurate data handling, enabling real-time adjustments and smooth engine control.
Included with the unit are a Quick Start Guide and a detailed wiring diagram, simplifying installation and setup for professional tuners and experienced enthusiasts alike.
Installation & Fitment:
This standalone ECU is designed to fit most vehicle models, offering broad compatibility for custom and factory engine management upgrades. It integrates easily with existing wiring harnesses and sensor setups, though professional tuning is recommended to fully realize its capabilities.
No specific cutting or drilling is required for installation, but proper wiring and calibration are essential to ensure optimal performance and reliability.
What's Included:
- Haltech Nexus S3 Standalone ECU unit
- Quick Start Guide for initial setup
- Comprehensive wiring diagram for installation
Ideal For:
- Performance enthusiasts upgrading from factory or older standalone ECUs
- Custom engine builds requiring advanced fuel and ignition control
- Street and track vehicles needing precise tuning and data monitoring
- Tuners seeking a flexible ECU platform with extensive input/output options
