Haltech
Nexus R3 VCU
Nexus R3 VCU
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If you’ve been looking at the Nexus R5 and thinking it might be a bit of an overkill for your build – we’ve got some good news for you! The Nexus family of products is about to get a new member…
Much like its bigger brother, the new Nexus R3 combines the functionality of a power distribution module, a data logger, a wideband controller and a state-of-the-art engine management system in one compact yet powerful device. With a small footprint and sharing a lot of powerful tuning features with the R5, the new R3 will provide an integrated vehicle control solution to racers, tuners, engine builders and performance enthusiasts alike.
TOTAL CONTROL – FULL FLEXIBILITY
• A data logger
• A power distribution module
• A wideband controller
• A high speed wi-fi communications module
• A new generation engine management system
All natively interconnected with each other.
All programmable with one single piece of software.
JUST THE FACTS
| OUTPUTS | |
|---|---|
| Ignition | 8 |
| Injector (peak and hold) | 8 |
| Digital Pulsed Outputs (DPO) | 6 |
| Power for Ignition Switch | 1 |
| 8A Outputs | 6 |
| 25A High Current Outputs (25A HCO) | 4 |
| INPUTS | |
|---|---|
| Analog Voltage Inputs (AVI) | 11 |
| Differential Engine Position Inputs | 2 (Trigger and Home) |
| Synchronised Pulsed Inputs (SPI) | 6 |
| Knock Inputs | 2 |
| On-board Wideband Controller (NTK/LSU 4.9) | 1 |
| Ignition Switch Input | 1 |
| COMMUNICATIONS | |
|---|---|
| CAN Bus Networks 1000, 500 or 250 kbit/s | 2 |
| High Speed USB 2.0 (USB-C interface) | 1 |
| On-board Wi-Fi | YES |
| OTHER | |
|---|---|
| Onboard Data Logging | 128MB |
| Inertial Measurement Sensor Onboard, | 6 Axis |
| Oscilloscope | 4 Channel |
| 5V Sensor Supply | 1 |
| 8V Sensor Supply | 1 |
| Sensor Ground | 1 |
| FEATURES | |
|---|---|
| Drive-By-Wire Throttle Support | 2 |
| Flex Fuel | YES |
| Closed Loop O2 Control | Dual Bank |
| Knock Control | Dual |
| Variable Cam Control | Up to 4 |
| Long Term Learning | Up to 4D |
| Data Logging | Laptop + Onboard |
| Anti-Lag Rotational Idle | YES |
| Launch Control | YES |
| Traction Control | YES |
| Tuning Table Resolution | 32 x 32 x 8 4D |
| Engine Protection | Multi Level |
| CAN Networks | 2 |
| Nitrous Control | 6 Stages |
| Boost Control | 4D Closed Loop |
| Intake Air Bleed Control | YES |
| Flat Shift Control | Open/Closed Loop |
| Shock Travel & Ride Height | YES |
| Trans Brake | YES |
| Race Timer | YES |
| Driveshaft and Engine RPM Targetting | YES |
R3 VS R5
We figured the first, and the most frequently asked question about the new Nexus R3 will be: “How does it compare to the R5?” With that in mind we prepared this comparison table that should provide all the answers.
| Nexus R5 | Nexus R3 | |
| Ignition Outputs | 12 | 8 |
| Injector Ouputs | 18 | 8 |
| Digital Pulsed Outputs | 8 | 6 |
| 8A Outputs | 12 | 6 |
| 25A Outputs | 4 | 4 |
| Analog Voltage Inputs | 23 | 11 |
| Synchronised Pulsed Inputs | 10 | 6 |
| Knock Inputs | 2 | 2 |
| On-Board Wideband Controller | Dual | Single |
| On-Board Data Logging | 512mb | 128mb |
NEXUS R3 FAQ
Are all the NSP functions available in the R5 also available in the R3?
Yes. The R3 shares all the NSP functions, including the Oscilloscope and all the Advanced Tuning Options like Torque Management, Nitrous Control, Race Timer, Flat Shift and Closed Loop Boost Control with the R5.
Does the R3 have Wi-Fi?
Yes. The R3 features an in-built Wi-Fi module for wireless communication and will ship with a Wi-Fi antenna.
Can I use the R3 on V8 engines?
Absolutely. The R3 will support 2, 4, 6 and 8 cylinder engines. However, if you are planning to run more than one injector per cylinder on your V8 you’ll need to get the R5.
