Haltech
Haltech NEXUS S2 (ECU Only)
Haltech NEXUS S2 (ECU Only)
Per brand rules, we can't offer Paddock Points on this part.
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For off-road use only.
Not CARB Legal
We don't ship this part to California addresses. If it's going on a dedicated race car that is never driven on public roads and isn't registered in California, email us at info@nappmotorsports.com before you order.
ECU OVERVIEW
Haltech's Nexus S2 is the successor to the acclaimed Elite 1500, offering a serious upgrade in performance and functionality. The S2 combines all the classic functionality of the Elite 1500 with new features and the superior processing power of the successful Nexus platform.
- 4 x peak/hold injector drivers (can be used as low side drive outputs)
- 4 x low current ignition outputs (can be used as low side drive outputs)
- 6 x low side drive outputs, PWM capable (DPOs)
- 4 x push-pull / half bridge outputs (8A, PWM capable), eg for electronic throttle
- 1 x ECR output
- 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
- Onboard data logging - Up to 300 channels of logging at sample rates up to 1ms (1kHz) with 128MB of internal memory
Suits: Engines with up to 4 cylinders or up to 2 rotors. Racing applications where advanced race features and data logging is required.
Includes: Nexus S2 ECU, 4 x mounting bolts, USB-C Cable, USB-C dust cap, Quick Start Guide, Wiring Diagram.
Features
ECU 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
Specifications
- Analog Voltage Inputs (AVI): 11
- Differential Engine Position Inputs: 2 (Trigger and Home)
- Digital Pulsed Inputs (DPI): 0
- Synchronized Pulsed Inputs (SPI): 6
- Knock Sensor Inputs: 2
- On-board Wideband Controller: 1 x NTK/LSU 4.9
- Injection: 4 (peak and hold)
- Ignition: 4
- Ignition Switch Input: 1
- Engine Control Relay output: 1
- Total Digital Pulsed Outputs (DPO): 6
- Half Bridge Outputs (HBO): 4 8A
- On-Board PDM: NO
- 25A High Current Outputs (HCO): 0
- CAN Bus Networks: 2
- MAP sensor: Internal (4 BAR)
- Inertia / G-Sensor: NO
- USB 2.0: USB-C
- Low Power Up via Cable: YES
- Wi-Fi: YES
- Compatible with Haltech Connect App: YES
- Anti-Lag/Rotational Idle: YES
- Boost Control: 4D Closed Loop
- Closed Loop O2 Control: Dual
- CO2 Control: YES
- Drive-By-Wire Throttle: Dual
- Engine Protection: Multi-Level
- Flat Shift Support: Advanced
- Flex Fuel: YES
- Intake Air Bleed Control: YES
- Knock Control: Dual
- Launch Control: YES
- Long Term Learning: Up to 4D
- Nitrous Control Stages: Up to 6
- Race Timer: YES
- Rolling Anti-Lag: YES
- Shock Travel & Ride Height: YES
- Torque Management (Driveshaft and Engine RPM Targeting): YES
- Traction Control: YES
- Trans Brake: YES
- Tuning Table Resolution: 32x32x8 4D
- Variable Cam Control: Up to 4
- Onboard storage: 128MB
