Description

Elite 550 + Premium Universal Wire-in Harness Kit Length: 2.5m (8′)

ECU Overview

The Elite 550 is a straightforward yet powerful ECU, perfect for basic 4 to 8-cylinder or 1-2 rotor engine applications. Designed for both naturally aspirated and forced induction engines, the Elite 550 provides complete control over fuel delivery, ignition timing, and boost levels. Housed in a rugged, waterproof case, it features 4 fuel channels, 4 ignition channels, and an internal 4 BAR MAP sensor, making it an excellent, cost-effective solution.

Now integrated with the Nexus Software Programmer (NSP), the Elite 550 offers enhanced functionality and a user-friendly experience, delivering cutting-edge technology for tuners and performance enthusiasts worldwide.

Supports: 1 to 8-cylinder engines and 1-2 rotor engines.
Engine Types: Naturally aspirated or forced induction.
Load Sensing Methods: Throttle Position (TPS), Manifold Absolute Pressure (MAP), or Mass Air Flow (MAF).
Injection Patterns: Sequential, semi-sequential, batch, or multipoint.
Ignition Modes: Direct fire multi-coil, distributor ignition, or Haltech CDI systems.
Connectivity: Interfaces with a wide range of dashes, displays, and expansion devices via CAN.
Durability: IP67-rated waterproof case with USB cover fitted.
Connections: 34-position AMP connector.

Outputs:
4 fuel injection outputs (peak and hold: 0-8A peak / 0-2A hold).
4 ignition outputs.
5 digital pulsed outputs.
1 digital pulsed input.
Inputs:
2 dedicated engine position inputs with extensive trigger support.
1 analog voltage input.
3 dedicated inputs (Throttle Position, Coolant Temperature, Air Temperature).
MAP Sensor: Internal 4 BAR sensor measuring up to 300kPa/3BAR/45psi of boost.
I/O Expansion: Up to 33 channels of input and output expansion via CAN.
Communication: USB laptop connection for Windows.
Software: Utilizes the new NSP calibration software for enhanced ease of use.

Harness Overview

The Universal Wire-in Harness is ideal for dedicated race cars, engine swaps, and custom wiring projects. It features ECU connectors on one end and clearly labeled, color-coded unterminated wires on the other, making installation simple and organized. Just connect the terminated end to your Haltech ECU, follow the wiring diagram, and load your base map to get started.

Color-Coded and Labeled: Wires match the detailed wiring diagram for a straightforward installation.
Comprehensive Documentation: Comes with a complete ECU manual and configuration software on the provided CD or USB key to guide you through installation and setup.

ECU Functions

O2 Control: Closed-loop with long-term learning for precise tuning (available with optional external CAN O2 Wideband Controller Kit).
Boost Control: Closed-loop with learning, featuring flexible user-definable axis and six fully customizable correction modes, including boost by gear and road speed.
Flex Fuel Function: Direct sensor input to adjust engine boost, fuel, and ignition based on ethanol content.
Low Impedance Injector Control: Programmable injector peak and hold currents for enhanced control.
Closed Loop Idle Speed Control: Requires 1 or 2 user-defined outputs (BAC type) for smooth idle operation.
Data Logging: On-board and laptop-based data logging of all available channels, aiding in tuning and diagnostics.
CAN Bus Communication: Connect to Haltech dashes, expansion devices, or OBDII to view live engine data and manage diagnostic trouble codes.
Rotary Engine Support: Two injection stages tailored for rotary engines.
Full Feature Access: The ECU is fully enabled with no extra charges for advanced features.

Advanced Tuning

Tuning Table Resolution: Up to 32 x 16 resolution for precise control.
Flexible Tuning: Customize your tuning using 3D tables, with per-cylinder compensation and multiple user-definable correction modes.
Multiple Input Factors: Tune your engine by manifold pressure, throttle position, cam position, ethanol content, gear, road speed, race time, EGT, shock travel, or ride height, allowing for ultimate flexibility.
Per-Cylinder Tuning: 3D corrections for each cylinder for fine-tuned performance.
Wideband O2: Connect up to three channels via CAN expansion devices.
Thermocouples/EGT: Monitor up to 12 channels of exhaust gas temperature through external CAN expansion devices.
Variable Cam Control: Independently control up to two camshafts, requiring a minimum of one user-defined input and output per cam.

Harness Features

When installed with a Haltech Elite ECU, this harness unlocks virtually unlimited performance modifications and tuning potential. With fully programmable systems, it precisely delivers the necessary fuel and ignition timing for maximum engine output under all conditions.