Haltech Nexus R3 VCU + wire-in harness 2.5m (universal)
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Haltech Nexus R3 VCU + universal wire-in harness 2.5m.
The Haltech Nexus R3 VCU (Vehicle Control Unit) with a 2.5m universal wire-in harness is a comprehensive, all-in-one control system designed for custom wiring jobs, engine swaps, and dedicated race cars. This advanced unit combines a state-of-the-art engine management system, a power distribution module (PDM), a high-speed data logger, and a wideband controller into a single powerful device. By integrating these systems, it simplifies vehicle wiring and eliminates the need for separate external modules.
The included universal harness features color-coded and clearly labeled wires at the unterminated end, matching the detailed wiring diagram for a straightforward and confusion-free construction process. This setup is suitable for engines with up to 8 cylinders or up to 4 rotors, making it ideal for racing applications where advanced features, data logging, and power management control are required.
Features and Software Functions
- All-in-One Integration: Combines an ECU, PDM, wideband controller, and data logger in one compact vehicle control unit
- Integrated PDM: Includes four 25A high-current outputs to power critical systems like fuel pumps, injectors, coils, and fans directly
- Advanced Tuning and Controls: Features 4D closed-loop boost control, closed-loop CO2 control, traction control, launch control, anti-lag, and rotational idle
- Drive-By-Wire Throttle: Supports dual electronic throttle bodies with built-in redundancies
- Automatic Transmission Control: Compatible with Ford (AODE/4R70W), GM (4L60E/4L80E), Toyota (A340E), Lenco, and Liberty transmissions
- Built-in Sensors: Equipped with an internal 4-bar MAP sensor and an integrated G-sensor/inertia sensor
- High-Speed Logging: Onboard data logging with 128MB internal memory, supporting up to 300 channels at sample rates up to 1ms (1kHz)
- Modern Connectivity: Onboard Wi-Fi and USB-C port for high-speed tuning via NSP (Nexus Software Programmer) and compatibility with the Haltech Connect App
- Engine Protection: Multi-level engine protection system
- Flat Shift Support: Advanced flat shift control
- Flex Fuel: Seamless flex fuel compatibility
- Intake Air Bleed Control: Integrated air bleed control
- Knock Control: Dual knock control support
- Long Term Learning: Up to 4D long term learning resolution
- Nitrous Control: Up to 6 stages of nitrous control
- Race Timer: Integrated race timer functionality
- Rolling Anti-Lag: Dedicated rolling anti-lag support
- Shock Travel and Ride Height: Advanced suspension monitoring and control
- Torque Management: Advanced driveshaft and engine RPM targeting torque management
- Trans Brake: Integrated trans brake control
Specifications:
- High-Current Outputs (HCO): 4 x 25A continuous (push-pull PWM capable, 5 kHz)
- Half Bridge Outputs (HBO): 6 x 8A (PWM capable, e.g., for electronic throttle control)
- Peak and Hold Injector Drivers: 8 (can also be used as low-side outputs)
- Ignition Outputs: 8 x low-current (can also be used as low-side outputs)
- Digital Pulsed Outputs (DPO): 6 x low-side drive outputs (PWM capable)
- Analog Voltage Inputs (AVI): 11 x 0-5V with switchable 5V pullups and redundancy for electronic throttle
- Engine Position Inputs: 2 x Differential (Trigger and Home) with adjustable thresholds and glitch filters
- Synchronized Pulsed Inputs (SPI): 6 x frequency/analog inputs (cam sensors, frequency sensors)
- Wideband Controller: 1 x Onboard controller supporting NTK or LSU 4.9 sensors
- CAN Bus Networks: 2 x ports with switchable termination
- Low Power Up via Cable: Yes
- Tuning Table Resolution: 32x32x8 4D
- Variable Cam Control: Up to 4-sensor variable cam control
- Onboard Storage: 128MB
Kit Includes:
- (1) Haltech Nexus R3 VCU
- (1) Haltech Nexus R3 Universal Wire-in engine harness (2.5m)
- (2) SurLok connectors (Red and Black)
- (1) Wi-Fi antenna
- Mounting bolts
- USB-C Cable and USB-C dust cap
- USB key containing full VCU manual and Software
