Haltech Nexus R3 Standalone VCU
Fits Most Models
HT-193000
Overview:
The Haltech Nexus R3 Standalone Vehicle Control Unit (VCU) is an advanced all-in-one engine management solution designed to streamline and enhance your vehicle's control systems. Combining a power distribution module, data logger, wideband controller, and state-of-the-art engine management system, the Nexus R3 delivers comprehensive control and monitoring capabilities in a single compact device.
Ideal for performance enthusiasts, tuners, and professional builders, this VCU supports a wide range of vehicle models and applications. Whether you are upgrading your engine management, integrating multiple control functions, or seeking precise data logging, the Nexus R3 offers a versatile and reliable platform to optimize your vehicle’s performance and drivability.
Key Features:
The Nexus R3 is packed with versatile inputs and outputs to handle complex engine and vehicle control tasks. Key features include:
- 4 x 25A continuous push-pull PWM outputs operating at 5 kHz, suitable for powering injectors, ignition coils, transbrake, thermofan, and fuel pumps.
- 8 x peak/hold injector drivers that can also function as low side drive outputs for flexible control.
- 8 x low current ignition outputs, configurable as low side drive outputs for ignition or other low current devices.
- 6 x low side drive outputs with PWM capability (DPOs) for precise device control.
- 6 x push-pull / H-bridge outputs rated at 8A and PWM capable, ideal for electronic throttle control or other motor-driven components.
- 11 x 0-5V analog inputs with redundancy designed for electronic throttle systems and switchable 5V pullup resistors.
- Trigger and home inputs featuring differential inputs, adjustable thresholds, and glitch filters for accurate sensor signal processing.
- 6 x synchronous pulsed inputs configurable as zero crossing or adjustable thresholds, supporting 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 robust communication with other vehicle systems and modules.
Construction & Design:
The Nexus R3 is engineered with a compact and durable housing designed to integrate multiple control functions into a single unit, reducing wiring complexity and installation space. Its robust electronic architecture supports high-frequency PWM outputs and precise sensor inputs, ensuring reliable operation under demanding conditions. The inclusion of on-board sensors and dual CAN ports simplifies system integration and enhances communication with modern vehicle networks.
Installation & Fitment:
The Haltech Nexus R3 is designed to fit most vehicle models, making it a versatile choice for a wide range of engine swaps, custom builds, and performance upgrades. Installation requires proper wiring according to the included quickstart guide and wiring diagram, ensuring seamless integration with your vehicle’s existing systems.
While the Nexus R3 consolidates many functions into one device, professional installation and tuning are recommended to fully leverage its capabilities. This unit is ideal for users comfortable with standalone engine management and custom wiring setups.
What's Included:
- Haltech Nexus R3 Standalone Vehicle Control Unit
- Quickstart Guide
- Wiring Diagram
Ideal For:
- Performance enthusiasts seeking a comprehensive standalone engine management solution
- Custom vehicle builders requiring integrated power distribution and data logging
- Tuners needing precise control over fuel, ignition, and throttle systems
- Users wanting to simplify wiring by combining multiple control modules into one device
