PRODUCT NAME: Haltech Nexus R3 + Universal Wire-in Harness Kit Length: 2.5m (8')
SUITS: Engines with up to 8 cylinders or up to 4 rotors. Racing applications where advanced race features, data logging and power management control is required.
INCLUDES: Haltech Nexus R3 VCU, SurLok connectors (Red and Black), Wi-Fi antenna, mounting bolts, USB-C Cable, USB-C dust cap, USB drive with NSP Software. Nexus R3 Universal Wire-in engine harness.
HARNESS OVERVIEW
Ideal for dedicated race cars, engine swaps and custom wiring jobs. The Universal Wire-in Harness has a set of VCU connectors at one end and unterminated wires at the other. All the wires at the unterminated end are colour coded and clearly labelled. Connect your Haltech VCU to the terminated end and follow your wiring diagram for all the engine connections. Load your base map and you're ready to go!
- Colour coded and labelled wires that match the detailed wiring diagram for a confusion free construction process.
- The wiring diagram is accompanied by the full VCU manual and Software located on the USB key provided with the VCU, or downloadable from the Haltech Website.
VCU OVERVIEW
Introducing the NEXUS R3 Vehicle Control Unit from Haltech, a cutting-edge engine management system that goes beyond traditional control. It serves as an ECU, PDM, data logger, universal wideband controller, and high-speed Wi-Fi module—all seamlessly interconnected. With user-friendly technology, it sets new standards in engine management and power distribution. The NEXUS R3: one unit, multiple functionalities, and endless possibilities.
- 4 x 25A (continuous) push-pull PWM capable (5 kHz) outputs (for power to injectors / coils, transbrake, thermofan, fuel pump)
- 8 x peak/hold injector drivers (can be used as low side drive outputs)
- 8 x low current ignition outputs (can be used as low side drive outputs)
- 6 x low side drive outputs, PWM capable (DPOs)
- 6 x push-pull / h-bridge outputs (8A, PWM capable), eg for electronic throttle
- 11 x 0-5V analog inputs with redundancy for electronic throttle and switchable 5V pullup
- Trigger and home inputs with differential inputs, adjustable thresholds and glitch filters
- 6 x synchronous pulsed inputs, zero crossing or adjustable thresholds - cam sensor inputs, frequency inputs or 0-5V analog inputs
- 1 x on-board wideband controller, supporting NTK and LSU4.9
- 1 x on-board 4 bar MAP sensor
- 2 x CAN ports with switchable termination
VCU FEATURES
- Controlled via NSP (Nexus Software Programmer)
- Long Term Learning
- Stepper Motor Control
- 4D Closed Loop Boost Control
- Closed Loop CO2 Control
- Rotational Idle
- Launch Control
- Traction Control
- Anti-Lag
- Dual Knock Control
- Trans Brake Control
- Race Timer
- Multi Stage Fuel Injection
- Multi-level Engine Protection
- 6 Stage Nitrous Control
- 4-sensor variable cam control
- Intake Air Bleed Control
- Flat Shift Control
- Shock Travel & Ride Height Control
- Advanced Torque Management
- On-board Wi-Fi
- On-board datalogging (128MB)
AUTOMATIC TRANSMISSION CONTROL
- Ford AODE/4R70W
- GM 4L60E
- GM 4L80E
- Toyota A340E
- Lenco
- Liberty