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PRO 4C Specifications

OVERVIEW

Take a look at our backbone ECU which will change the standard of how ECU’s are perceived and used in South Africa. With a good set of the most commonly used functions, this ECU is the perfect match for a street car looking for fuel economy while retaining factory functions, or a mid-tier street-racer who requires an ECU with a more advanced feature set. SUSTECH has designed this ECU primarily for 4 cylinder engines. It is capable of running in a full sequential fuelling mode as well as coil per cylinder at the same time.

Below we give a brief overview of what the SUSTECH PRO 4C ECU has to offer, followed by a more detailed description of each feature, as well as discussing the more advanced functions.

OVERVIEW:

  • 4 x Injector Outputs
  • 4 x Coil Outputs
  • 1 x Idle Control Output (2 Wire)
  • 3 x User Selectable GPO Outputs (General Purpose Outputs)
  • 2 x User Selectable GPI Inputs (General Purpose Inputs)
  • Dedicated DPO for Fuel Pump Relay Output
  • Dedicated DPO for Advanced Tachometer Output
  • 3 x Dedicated Sensor Inputs – Water Temp, Air Temp and TPS Inputs
  • Dedicated RPM Trigger Input
  • Dedicated Home Position Input
  • Dedicated Ignition Switch Input
  • 1 x 5V Sensor Output

HIGHLIGHTS AND FEATURES

  • Sequential Injection up to 4 Cylinders, Semi Sequential up to 8 Cylinders, Batch up to 8 Cylinders
  • Coil per Cylinder up to 4 Cylinders, Wasted Spark up to 8 Cylinders, Single Coil up to 8 Cylinders
  • Integrated Electronic Boost Controller with multiple selectable options available to the user. Various boost limiters are included with the boost function for added safety
  • Integrated Radiator Fan Controller with Advanced Functions
  • AFR Lambda Input capable of laptop datalogging and Integrated Instant Short Term Fuel Compensation for fuel economy
  • Dual Fuel Maps are available for the user to engage. The map being used can be selected via a dashboard switch or the ECU can select the map automatically according to relevant functions, such as VTEC.
  • Integrated Error detection available with Sustech’s OBD Engine Warning Light function.
  • Multiple Trigger Setups are user selectable via Laptop Software
  • Hall and Magnetic Supported and selectable via Laptop Software
  • Advanced Functions (explained below)

INPUT CONFIGURATIONS

OVERVIEW

10 Inputs in Total

2 x Engine Position Inputs

  • 1 x Dedicated RPM Input with extensive trigger style support.
  • 1 x Dedicated Home Position Input with trigger style support
  • Accepts signals from Hall and Magnetic Sensors on both Trigger and Home Inputs

4 x DPI (Dedicated Purpose Inputs)

  • 1 x – Water Temp Input
  • 1 x – Air Temperature Input
  • 1 x – Battery Voltage Input
  • 1 x – TPS Sensor Input

1 x Dedicated On-Board MAP Sensor Input

  • Internal 4 Bar Scalable MAP Sensor integrated into the ECU

2 x GPI (General Purpose Inputs)

  • 2 Analogue or Digital Inputs
  • User Selectable Functions via Laptop PC Software

1 x Ignition Switch Input

  • Switches the ECU on when ignition switch is turned on

HIGHLIGHTS AND FEATURES

RPM TRIGGER:         

  • Single Pulse per cylinder (eg. Distributor)
  • Multi-Tooth Trigger Wheel (eg. 24+1, 24+2, 12+1)
  • Missing Tooth Trigger Wheel (eg. 60-2, 36-1, 36-2)
  • All trigger patterns are user selectable
  • Supports Hall and Magnetic Sensors (Selectable via laptop)

HOME SIGNAL:         

  • Single Pulse on Cam
  • Single in distributor
  • ECU Generated from the Crank Trigger wheel (Missing tooth only)

TEMPERATURE SENSORS:           

  • Water Temp
  • Air Temp
  • Calibratable to any sensor’s temperature coefficient

MAP SENSOR:          

  • 4 Bar Internal Sensor for ease of installation
  • Boost range scalable to lower boost values

GPI INPUTS:

  • All Functions are User Selectable
  • Launch Anti-Lag Control
  • Fuel Map 2 Selector
  • Boost Control POT or Switch
  • Spinning Multi Rev Limiter
  • Lambda (AFR) Input with Control
  • Fuel Enrichment POT
  • Ignition Offset POT

OUTPUT CONFIGURATIONS

OVERVIEW

16 Outputs in Total:

4 x Injector Outputs

  • Capable of 1 x Low impedance injectors per output **
  • Capable of 2 x High impedance injectors per output **
  • ** (only one of the above can be utilized)

4 x Coil Outputs

  • Can drive external ignitor modules
  • Can drive smart coils directly

3 x GPO Outputs (General Purpose Outputs)

  • User Selectable General-Purpose Output Functions

1 x Idle Control Output

  • Used for 2 wire idle control

2 x DPO (Dedicated Purpose Outputs)

  • 1 x Dedicated – Fuel Pump Output
  • 1 x Dedicated – Tachometer Output

1 x 5V Sensor Output

  • Supplies power to TPS and other accessories used for GPI’s

HIGHLIGHTS AND FEATURES

FUELLING:

  • 4 Cylinder – Batch, Semi and Full Sequential
  • 6 Cylinder – Batch, Semi Sequential
  • 8 Cylinder – Batch, Semi Sequential
  • Dual Fuel Maps

IGNITION:                  

  • 4 Cylinder – Single Coil, Wasted Spark and Direct Fire
  • 6 Cylinder – Single Coil, Wasted Spark
  • 8 Cylinder – Single Coil, Wasted Spark

GPO OUTPUTS:

  • All Functions are User Selectable
  • Radiator Fans with Advanced Features
  • Variable Boost Control
  • VTEC / VVL
  • Intake Manifold Flaps
  • Shift Light
  • Engine Warning Light (with On Board Diagnostics)
  • NOS Control
  • Water Injection
  • Secondary Fuel Pump
  • RPM Based Switch
  • MAP Based Switch
  • TPS Based Switch
  • Water Temperature Switch
  • Air Temperature Switch
  • Battery Voltage Switch

SAFETY FEATURES

On Board Diagnostics (OBD)

  • Allows the user to set the ECU to check for possible issues real time.
  • ECU can save up to 4 different errors to internal memory. This is remembered even if the ECU losses power or is switched off.
  • Connects to an external Engine Warning Light to alert the user of any issues.
  • Engine Warning Light has 4 selectable actions per each type of error code according to severity. Options are from lowest to highest priority: no warning light, light turns on permanently, Light flashes slowly, Light flashes fast or urgently
  • Multiple warning levels allows 1 Warning light to display multiple errors

Status LEDs

  • LEDs for System Voltage as well as Engine Voltage
  • Intelligent Injector LED’s show if injectors are pulsing correctly

Radiator Fans

  • Error Detection on Radiator fan input for wire failure or unplugging during operation to force radiator fans on

Variable Boost Control

  • Multiple Boost control strategies available, each with its own boost limiter
  • Boost Limiter versus Fuel Map selection
  • Separate Boost Limiters for Low, Medium and High boost Settings

Rev Limiters

  • Each fuel map has its own settable Rev limiter. They can also be set to cut fuel, spark, or both

ADVANCED FUNCTIONS

OUTPUTS

Closed Loop Advanced PID Idle Control (2 wire)

  • Fast accurate Idle control
  • Full Control of PID settings for an accurate and smooth idle
  • Helps with start-up by opening the Idle valve fully during cranking
  • Improved Cold-Start performance
  • Cold Start Idle-Up Feature
  • Advanced Linearize function for hard to set Idle Valves with non-linear opening characteristics
  • Idle Valve Setting can be selected from a preset list for easy initial setup according to engine type

GPO General Purpose Outputs

  • GPO Function can be set to any function via laptop software
  • Some GPO Functions can be set to more than 1 GPO at the same time. Eg. 2 x radiator fans set to activate at consecutive temperatures

Variable Boost Control

  • Multiple different boost control strategies are available
  • Boost Control versus Fuel Map Selection
  • Three Stage Boost Control for Low, Medium and High boost settings with a switch or rotary switch
  • Variable Boost with calibration settings for fully variable boost

INPUTS

Anti-Lag Launch Control

  • Fast response to produce boost quicker
  • User can activate at idle but the ECU will not initiate Launch function until at the set Launch RPM
  • Override Boost Control Solenoid Setting to Reduce boost while in Launch Mode. (Cannot reduce below wastegate spring)

Spinning Function

  • Special purpose spinning function with 4 stages
  • Each Stage has its own RPM point and Delay time

Lambda Sensor Input

  • Connects to most popular External Lambda (AFR) Controllers
  • Preset calibrations for these sensors are set when selecting Lambda Controller
  • Fast response real time calibrations
  • Fully settable real time fuel economy settings
  • Can be selected to compensate at idle as well

Variable Boost input

  • Connects to any standard POT to allow the user to dial the boost they wish while driving.
  • Boost POT can be calibrated to allow the POT to add a pre-defined amount of boost
  • Boost Switch can be used for 3 stage boost control

Fuel Map Selection Input

  • Allows the user to select which fuel map to use at any point

TUNING FUNCTIONS

TUNING

Twin Fuel Maps

  • Allows for tuning of multiple fuels eg. Petrol (Gasoline), Methanol and Ethanol. Simply select the fuel map via a dashboard switch.
  • Use Map 1 for low cam and Map 2 for VTEC Cam. ECU can select the maps when engaging VTEC.
  • Maps can be selected manually or selected by the ECU logic routines depending on what is happening in real time

Laptop data logging

  • Data log all available channels directly to the laptop
  • Logging rate of all channels at up to 250 Hz
  • Save datalogs to your hard drive for viewing at a later stage
  • Can be used for tuning and diagnostics
  • Logs Fuel ms, Fuel Duty %, Ignition Timing, Lambda (AFR), Water temp, Air Temp, Battery Voltage, MAP Sensor (boost/vacuum), TPS, Idle valve %, and more

Fuel Map Size

  • Table Resolution selectable up to 17 x 11 load sites for more tuning accuracy
  • Select a lower table size to shorten tuning time

Ignition Map Size

  • Table Resolution up to 6 x 11

RPM Ranges Selectable

  • User selectable from 500rpm spacing up to 1200rpm spacing

INPUTS

LOAD SENSING:        

  • MAP based Load Sensing
  • TPS based Load Sensing

THROTTLE PUMP SENSING:        

  • Selectable to MAP based or TPS based Throttle Pump Sensing

RACE FUNCTIONS

  • Nitrous Control
  • Boost Control
  • Launch Control