Link G4+ Thunder

Advanced fully configurable WireIn Engine Control Unit (ECU)

• Most suitable for high end applications where multi electronic throttle bodies are used or where a large amount of IO is required.

Body

• Dimensions: 170 x 212 x 44 mm (6.7 x 8.3 x 1.7 in)
• Weight: 1.04 kg (2.29 lb)
• Material: Aluminium Die Cast, Black Powder Coated
• Mounting: Flush mount extruded mounting bracket
• Connectors:
  • 2 x 34 pin AMP Super Seal
  • 2 x 26 pin AMP Super Seal
  • 2 x Link 6 pin
• Indicators: Power / Fault code indicator LED
• IP Rating: 54

Platform

• Electronics: Link G4+ Engine Control Platform
• Processor:
  • 40 MHz dual processor
  • Engine control specific MCU and Digital Signal Processor
• Memory: 32 Mbit Data Logging Memory
• Communications
  • USB - PC Tuning
  • 2 x CAN 2.0B - User configurable
  • RS-232
• Firmware: Link G4+ Firmware V5.5.0 or later. In field firmware updatable
• Tuning Software: PCLink G4+

Security

• Password: Password protection can be applied to prevent unintended adjustment
• Lock: Shipped locked (engine control disabled). Must be unlocked by a Link distributor

Max. Ratings

• Power Supply: Reverse Polarity protected. Max Continuous operating voltage 24V. Over voltage protection at 27V. Minimum operating voltage 6.5V.
• Temperature: -40 to + 80 ⁰ C (-40 to 185 ⁰F)

Inputs

• Engine Position:
  • Up to 6 engine position sensor inputs (reluctor, hall or optical)
  • Engine position tracking to 0.1 degree accuracy
  • Digital Sampling Oscilloscope on Trigger 1 and 2 Inputs
• Analog:
  • 20 0-5V Analog Inputs
    • 2 have configurable pullup resistor
    • 2 have permanent pullup resistor
• Digital
  • 8 Frequency or switching inputs. All with switchable pullup resistor
  • 6 High frequency differential frequency or switching inputs
  • Suitable for ABS or turbo speed sensor
  • 2 Switching inputs
• Barometric Pressure: Internal factory calibrated barometric pressure sensor (or external sensor option)
• Knock: 2 Knock sensor inputs
• Lambda Sensor Control: 2 Internal wideband Lambda sensor controllers utilising latest Bosch OEM digital signal processing technology
• Thermocouple: 2 Thermocouple amplifiers suitable for K Type thermocouple sensors
• Accelerometer: 3 Axis accelerometer with orientation correction

Outputs

• Injector: 8 Peak and Hold or Saturated injector driver outputs. 10/3A max. Unused injector outputs can be used as general purpose outputs. 0.1 degree, 1.6 us precision
• Ignition: 8 Ignition pre-amplifier drivers (external igniter required). Unused ignition outputs can be used as general purpose outputs. 2.2A max. 0.1 degree precision.
• Auxiliary Outputs
  • 4 Low Side Drivers. 2.2A max
  • 4 Low/High Side Drivers. 2.2A max
  • 6 Half Bridge Drivers 8 A max
  • 6 Low Side Drivers with open circuit detection 1 A max
• Regulated Outputs
  • 8V sensor supply. 200mA max
  • 5V sensor supply. 200mA max

Accessories

• Included:

- Flush fit clip in mounting bracket

- USB tuning cable

- Link stickers

• Optional

  - Wiring Loom (various length and pin kit options available)

The Thunder also has the Link G4+ platform features

- 1 x 1R (6 x <6R injectors)

- 2 x 1R (12 x <6R injectors)

- 4 x 4R7 (4 x <6R injectors)

- 6 x 4R7 (6 x <6R injectors)

• This list gives a basic overview of the Link G4+ ECU platform. For full details of the individual adjustments and settings it is recommended that PCLink G4+ is downloaded and installed.

   

  Configuration

  • Engine Types

  - 1 to 12 Cylinder (2 or 4 Stroke)

  - 1 to 4 Rotor

  - User configurable TDC points (for odd fire engines) and firing order

  • Vehicle Details:

  - Tuner memo and VIN number stored in ECU

  Fuel Control

  • Types:

  - Single Point

  - Multi Point Group

  - Group Staged

  - Sequential

  - Sequential Staged

  - 3/8 NPT (Aluminium or Steel Mounting Bosses to suit)

  - Bosch push in(Aluminium or Steel Mounting Bosses to suit)

  • Calculation: Full Modelled Fuel Equation, Modelled Multi Fuel (Flex Fuel) Equation or Basic Fuel Equation. Full modelled fuel equation considers:

    - Volumetric Efficiency

    - Load Type (MAP, TPS, MAP+TPS, none)

    - Engine Capacity

    - Lambda Target

    - Fuel System Type and Pressure (Injector Flow Pressure Correction)

    - Fuel Density

    - Fuel Density Temp. Coefficient

    - Stoichiometric Ratio

    - Air Charge Temperature

    - Fuel Charge Cooling

    - Injector Size

    - Injector Dead Time

    - Injector Characteristic (GM Style)

  • Multi Fuel:

    - Full support for the use of multiple fuels with separate settings for each fuel type and configurable blending between fuels

  • Cold Start:

    - Configurable cold start/warmup. 2D/3D tables

    - Pre Crank Prime - Key on or crank

    - First Crank and Cranking Enrichment

    - Post Start Enrichment, Hold and Decay

    - Warm Up Enrichment

    - Multi Fuel fuel blend dependent cold start supported

  • VE Corrections:

    - Dual Fuel Table (overlay, switched or blended)

    - 3D Intake Air Temp

    - 4D Fuel Tab

    - 5D Fuel Table

  • Other:

    - Acceleration Enrichment

    - Overrun Fuel Cut

    - Closed Loop Lambda (Dual Bank)

    - Individual Cylinder Fuel Trim

    - 3D Injector Timing (Start, End or Center)

    - Staged Injection Primary/Secondary Tuning

    - Corrections by other control features (eg limits, motorsport features)

  • Auxiliary Injection:

    - Additional injector stage control using unused fuel outputs for additional fuel stages or water/alcohol

    Ignition

    • Types:

    - Direct Spark

    - Distributor

    - Twin Distributor

    - Wasted Spark

    - Rotary Leading Wasted

    - Rotary Direct Spark

    • Signals:

    - Rising or Falling Spark Edge

    - ms or duty cycle dwell mode

    • Ignition Control:

    - Ignition Delay Correction

    - Minimum Spark Duration Control

    - Maximum Advance Limit

    • Ignition Corrections:
    • Ignition Timing Calculated using:

      - Ignition Table

      - Dual Ignition Table (Overlay, switched or blended)

      - ECT Trim Table

      - IAT Trim Table

      - 4D Ignition Table

      - 5D Ignition Table

      - Other control features (eg limits, motorsport features)

      • Multi Fuel:

      - Blending of ignition timing between fuels supported

      • Other:

      - Transient Ignition Retard Control

      - Idle Speed Ignition Control

      - Individual Cylinder Ignition Correction

      • Memory:

      - 32 Mbit Data Logging Memory

      Engine Protection

      • Limiting System
        • Used for all limits and configurable for each limit type:
          • Fuel Cut
          • Ignition Cut
          • Rotary Specific
        • Closed loop RPM limiting based on configurable control range
        • 2D/3D Tables
        • Basic/Advanced modes
        • Throttle position dependent cut control
        • Adaptive or Constant cut effects
        • Hard Cut
        • Ignition / Fuel trim during limit
        • Limit exit decay
      • Limit Types:
        • RPM, MAP, Vehicle Speed, System Voltage
        • Two General Purpose Limits with configurable tables (eg oil/fuel pressure or IAT/ECT)

      Output Functions

      • Types:

      - Variable Valve Timing Control for intake and exhaust cams up to 4 cams

      - Idle Speed Control for two/three wise ISC solenoids or four/six terminal stepper motors

      - Boost Control Solenoid

      - Test On/Off

      - General Purpose Output with up to three switching conditions and logic mode

      - General Purpose PWM with up to three switching conditions and logic mode

      - Fuel Pump Control

      - Fuel Pump Speed Control (switched or PWM)

      - Engine Fan Control

      - Air Conditioning Clutch

      - Intercooler Spray Pump

      - Tacho

      - Check Engine Light

      - Purge Solenoid

      - ECU Hold Power (Keep Alive)

      - Speedo

      - Electronic Throttle

      - Electronic Throttle Safety Relay

      - Oxygen Sensor Heater

      - Cam (switched valve lift / VTEC)

      - Anti-Lag ISC Lift Solenoid

      - Exhaust Power Valve

      - Starter Control Solenoid

      - Shift Light

      - Throttle Blip Solenoid

      - Traction Light

      - Rotary Oil Pump Position Control

      - Closed Loop Stepper Position Control

      - Tumbler Valve Control (Subaru)

      • Virtual Auxiliary:

      - Configurable internal signals that can be used as switching conditions for other ECU functions or to extend output functions number of conditions

      • Timers:

      - Triggerable/resettable timers to be used in sequencing output and internal functions

      • Shift Light:

      - Shift Light control function

      - Per gear RPM and control range

      - Configurable light brightness depending on RPM to shift point

      • CE Light:

      - Check Engine Lamp functionality to display ECU fault codes on the dash. Various modes for light operation

      • Engine Fan:

      - Up to three independent engine fans with temperature, hysteresis and air conditioning options

      • Tacho:

      - Correctable tacho output with key on tacho sweep option

      • Speedo Out:

      - Correctable speedo output with key on speedo sweep option

      • IC Spray:

      - Pulsed intercooler spray pump low frequency PWM with various switching conditions

      • ECU Hold Power:

      - Keep Alive function for controlling EFI main relay to keep the ECU powered for a controlled time after key off

    • Fuel Pump Control:

    - Prime time, RPM and fuel flow switched and PWM support

    • Unused Fuel and Ignition Outputs:

    - Can be used for most outputs function types listed above

    Input Functions

    • Digital Types:

    - General Purpose Input

    - Frequency

    - Variable Valve Timing Cam Position

    - Wheel Speed

    - Air Conditioning Request

    - Intercooler Spray Request

    - Anti Theft Switch

    - Neutral/Park Switch

    - Power Steer Pressure Switch

    - Ignition Switch (Key on)

    - Speed Limit Request

    - Start Signal

    - Clutch Switch

    - Brake Switch

    - Cruise Control Switches

    - Turbo RPM

    - Ethanol Content Sensor

    - Dual ECU Mode Switch

    - Oil Level Switch

    - Stop (engine kill) Switch

    - Oil Pressure Switch

    - Multi Fuel Select Switch

    - Traction Disable Switch

    • Analog Types:

    - General Purpose Input

    - Volt Input

    - MAP Sensor

    - Throttle Position Sensor

    - Accelerator Position Sensors

    - Oil Pressure

    - Fuel Pressure

    - EGT (0-5V)

    - Barometric Pressure Sensor

    - Engine Coolant Temperature

    - Intake Air Temperature

    - Narrow Band Oxygen Sensors

    - Rotary Oil Pump Position

    - Tumbler Valve Position

    - Closed Loop Stepper Position Feedback

    - Exhaust Back Pressure

    - Crankcase Pressure

    - Suspension Position

    - Air Conditioning Pressure

    - Lambda (Internal)

    - Gear Position

    - Fuel Temperature

    - Gear Lever Force

    - Fuel Rail Pressure

    - Reverse Lever Position

    • Thermocouple:

    - Internal cold junction compensated thermocouple amplifiers

    • Accelerometer:

    - 3 Axis G force sensor

    - Software corrected to allow install in any orientation

    • Lambda Sensor Control:

    - Internal OEM level wideband Lambda sensor control using latest Bosch digital signal processing technology.

    • Calibrations:

    - Built in calibrations for many industry standard and OEM sensors as well as custom 2 point and tabled calibrations.

    • Fault Detection:

    - Configurable fault detection and fault value for all Analog Inputs with fault code generation

    Engine Position

    • Modes:

    - Over 80 built in trigger modes for OEM applications as well as user configurable modes for common configurations

    • Sensors:

    - Supports all OEM Variable Reluctance (VR), Hall or Optical sensors. Aftermarket sensors supported

    • Calibration:

    - Configurable filtering, pullup resistors and threshold voltages for VR sensors

    - Engine position correction (base timing adjustment) for all trigger modes

    • VVT Cam Position:

    - Support for up to two engine position (Crank and Cam) and up to four cam position signals

    Engine Control

    • Idle Speed Control:

    - Support for most OEM and aftermarket idle control solenoids and stepper motors and electronic throttle

    - Basic open loop idle speed control and advanced closed loop control options

    - Configurable speed, RPM and throttle position lockouts

    - Engine Fan, Power Steer and Air Conditioning correction

    • Electronic Throttle:

    - Support for up to two electronic throttle bodies

    - Independent or shared throttle target

    - Full safety functionality for all sensors, drivers and other parts of the electronic throttle system including safety relay

    - Up to three switchable throttle target tables

    - Support for anti-lag idle up using electronic throttle

    • Boost Control:

    - Basic open loop or advanced closed loop control options

    - Up to thee boost target tables

    - Boost target table blending option for Multi Fuel or dash board adjustment

    - Staged boost control for fastest spool up and stable control

    - ECT, IAT and Gear boost corrections

    • Knock Control:

    - Closed loop individual cylinder knock control

    - Uses digital signal processing (DSP) technology for accurate windowed knock level measurement

    - Configurable frequency and individual cylinder gain settings

    - Adjustable knock window

    - Fast timing removal (retard) and slow reintroduction (advance), all configurable

    - Permanent memory of timing removed or reset at key on

    - Per cylinder or grouped knock ignition correction tables

    • Variable Valve Timing (VVT):

    - Over 40 built in OEM VVT signal patterns and user defined signal patterns

    - Up to four independently configurable (two inlet, two exhaust) cam control channels

    - Up to three switchable inlet and exhaust position target tables

    - Accurate, fast and stable position control

    - Supports common PWM and most BMW VANOS control types

    • Cruise Control:

    - Cruise Control using electronic throttle

    - Allows digital and analog cruise switch input

    - Safety features to disengage cruise on brake and clutch

    - Adaptive driver behaviour recognition for a smooth transition between driver and cruise control

    - Adjustable speed operating range and maximum speed increase rate

    • Air Conditioning (AC) Control:

    - Basic and advanced control modes

    - Digital or CAN control options

    - AC clutch control based on AC pressure, evaporator temperature and engine load

    - Engine fan control

    • Starter Motor Control:

    - Crank with key, Start/Stop and Touch Start options

    - RPM, anti-theft and park/neutral lockout options

    • Transmission:

    - Gear detection using RPM/wheel speed, CAN or gear position sensor

    - Auto calculated or user defined gear ratios

    - Driven and driving wheel selection

    - Slip % calculation

    - Input shaft RPM calculation

    Logging

    • ECU Logging:

    - 32 Mbit internal flash

    - Log up to 100 ECU parameters. All ECU parameters can be logged

    - Selectable logging rates up to 100 Hz

    - Memory compacting algorithm to ensure maximum memory utilisation and wear leveling

    - Continuous (looping) data recording

    - Download all or any part of logging memory for instant display in PCLink

    • PCLink Logging:

    - Log any or all parameters in the ECU while connected to PCLink in real time on the screen at rates in excess of 60Hz

    - Auto history recording to catch an event that happened in the past!

    - Advanced logging analysis and tuning functions

    • Statistics:

    - Resettable statistics including Max RPM, Max ECT, Max MAP, Engine Starts, Engine Running Time and many more

    Communication

    • CAN:

    - Two CAN 2.0B channels available

    - OEM Modes and extremely customisable CAN templates for transmission and reception of ECU parameters

    - CAN bus status and error reporting

    • OBD:

    - ISO 15765-4 (CAN) OBD communication to scan tools and displays

    • RS-232:

    - RS232 connection

    - Multiple data stream options and baud rates supported

    Motorsport

    • Anti Lag:

    - Basic and Advanced modes

    - Full anti Lag integration with other ECU systems

    - Activation, ignition retard, fuel addition and ignition cut controls

    - Configurable smooth or “lumpy” cyclic idle control

    - Multiple switchable Anti Lag tables

    - Cool down mode

    • Launch Control:

    - Single RPM mode for clutch switch or launch button

    - RPM vs Speed (2D or 3D) for controlled slip

    - Latched launch RPM for rolling start

    - Activation and clutch switch options

    - Ignition retard, fuel correction and cut effect options

    • Gear Shift Control:

    - Extremely configurable closed loop gear shift control

    - Can be used from simple clutch switch through to full closed loop control with strain gauge lever and gear position sensor

    - Sequential and H pattern gear boxes supported

    - Per gear cut, ignition trim, fuel trim and torque reintroduction time settings

    - Downshift RPM lockout

    - Downshift throttle blip control

    • Traction Control:

    - Closed loop wheel slip control

    - Fuel or ignition control options

    - Speed and throttle position lockouts

    - Multiple per gear slip threshold tables

    Tuning

    • Real Time:

    - All ECU Parameters available for real time display and logging during tuning

    - Smoothest most configurable tuning and data display interface available (PCLink G4+)

    - Quick view of all ECU runtime information for fast diagnostics

    • ECU Controls:

    - Upload, download and compare maps

    - Easily upgrade firmware through PCLink

    - Reset statistics

    - Clear ECU fault codes

    - Unlock (Enable) ECU

    - Restore to factory settings

    - Enable/disable password protection

    - Temporarily disable password protection until next power cycle

    - Auto throttle position sensor calibration

    - MAP sensor calibration

    - Trigger scope

    • Tuning:

    - Mixture MAP for fuel tuning correction from logged data

    - QuickTrim for calculated VE table correction while tuning

    - QuickTune for automated fuel tuning

    - Knock audio graphical analysis for determining knock filtering frequencies

    • Help:

    - Over 800 pages of context sensitive documentation

    - Help viewer embedded in PCLink for full documentation alongside settings

    - Access to Link technical support and forums

    Additional Accessories

    (Purchased Separately)

    - Terminal and plug kit - not recommended unless you have access to the correct AMP crimper

    - 400mm loom

    - 2.5m loom

    - 5m loom (ideal for boat installations)

    • Looms
  • Intake Air Temperature Sensor
• Throttle Position Sensor
• 3 Channel Link Igniter
• Wideband O2 Controller & Sensor
• Injector Ballast Resistor Packs