Haltech Nexus R3 Standalone VCU with Plug and Pin Set
Fits Most Vehicle Models
HT-193100
Overview:
The Haltech Nexus R3 Standalone Vehicle Control Unit (VCU) is an advanced all-in-one engine management system designed to streamline and enhance your vehicle’s control capabilities. Combining a power distribution module, data logger, wideband controller, and state-of-the-art engine management into a single compact device, the Nexus R3 offers a versatile solution for performance enthusiasts and tuners alike.
Whether you are upgrading your daily driver, building a race car, or developing a custom project, the Nexus R3 provides precise control and monitoring to optimize engine performance and reliability. Its comprehensive feature set supports a wide range of applications and vehicle models, making it an ideal choice for those seeking a powerful and flexible standalone VCU.
Key Features:
The Nexus R3 integrates multiple critical functions into one unit, delivering robust control and connectivity options:
- Four 25A continuous push-pull PWM outputs operating at 5 kHz, suitable for powering injectors, ignition coils, transbrake, thermofan, and fuel pump circuits.
- Eight peak/hold injector drivers that can also function as low-side drive outputs for versatile control.
- Eight low-current ignition outputs, configurable as low-side drive outputs for flexible ignition management.
- Six low-side drive outputs with PWM capability (DPOs) for controlling various accessories and actuators.
- Six push-pull H-bridge outputs rated at 8A with PWM support, ideal for electronic throttle control or other bidirectional devices.
- Eleven 0-5V analog inputs with redundancy for electronic throttle and switchable 5V pull-up resistors, enabling precise sensor integration.
- Trigger and home inputs featuring differential inputs, adjustable thresholds, and glitch filtering for reliable sensor signal processing.
- Six 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 accurate air-fuel ratio monitoring.
- Integrated 4 bar MAP sensor for precise manifold pressure measurement.
- Dual CAN ports with switchable termination for seamless communication with other vehicle systems and devices.
- Superseal 34-pin connector (Key 1) and compatible plug and pin set for Key 2 / 34 position connectors, including Male Deutsch DTP-06-4S black connector rated at 25A.
Construction & Design:
The Nexus R3 is engineered with durability and ease of integration in mind. Its compact design consolidates multiple control modules into a single unit, reducing wiring complexity and installation space. The use of high-quality connectors and robust electronic components ensures reliable operation under demanding automotive conditions. The device’s configurable inputs and outputs provide maximum flexibility for custom wiring and sensor setups.
Installation & Fitment:
This VCU is designed to fit most vehicle models, making it a versatile choice for a wide range of engine swaps, custom builds, and performance upgrades. The included plug and pin set is compatible with Haltech Nexus products that use the Key 2 / 34 position connector, simplifying integration into existing wiring harnesses.
Installation requires professional wiring and tuning knowledge to fully leverage the Nexus R3’s capabilities. The package includes a quickstart guide and wiring diagram to assist with setup. No cutting or drilling of the vehicle chassis is necessary, but proper calibration and configuration through Haltech’s tuning software are essential for optimal performance.
What's Included:
- Haltech Nexus R3 Standalone Vehicle Control Unit (VCU)
- Plug and pin set compatible with Key 2 / 34 position connectors
- Male Deutsch DTP-06-4S black connector (25 Amp rated)
- Quickstart guide and wiring diagram for installation assistance
Ideal For:
- Performance enthusiasts seeking a comprehensive standalone engine management solution
- Custom vehicle builds requiring flexible control of fuel, ignition, and accessories
- Motorsport applications needing integrated wideband and data logging capabilities
- Engine swaps and projects demanding a compact, all-in-one control unit
- Users who want to simplify wiring harnesses by combining multiple functions into one device
