Link G4 Plug-in

Engine Configurations
  • Engine configurations are pre-set into plug-in ECU's with a "start" base map.
Fueling Adjustments
  • Up to 440 Zone Fuel Table with configurable load and RPM centres. Configurable X and Y Axis Parameters
  • Multiple Fuel Tables
  • Up to 6D Fuel Mapping
  • Injection Rate
  • Master Enrichment
  • Pre Crank Prime
  • Crank Enrichment
  • Post Start Enrichment
  • Warm Up Enrichment
  • Acceleration Enrichment
  • IAT Fuel Correction
  • Injector Deadtime Compensation
  • Overrun Fuel Cut
  • Idle Load Trims
  • Fuel Temperature Correction
Ignition Adjustments
  • Up to 440 Zone Ignition Table with configurable load and RPM centres. Configurable X and Y Axis Parameters
  • Closed Loop Knock Control.  (Requires External Controller)
  • Crank Dwell Extension
  • Maximum Advance
  • AFR Table Correction
  • Spark Duration
  • Beginning / End Injection Definable
  • Dwell Time Table.  Configurable X and Y Axis Parameters
  • Individual Cylinder Trim
  • Individual Cylinder Tables
  • Multiple Ignition Tables
  • Up to 6D Ignition Mapping
  • Individual Cylinder Ignition Trim
  • IAT Trim
  • Voltage Correction
  • ECT Trim
  • OEM Compatibility
  • CDI Compatibility
  • Engine Temperature Dependent Soft and Hard RPM Limit
  • Engine Temperature Dependent Soft and Hard Boost Limit
  • Vehicle Speed Limit
  • System Voltage Limit
  • User Configurable RPM Limit based on external input
  • Digital Trigger Decoding
  • Reluctor, Optical Proximity or Hall Sensors
  • Programmable filtering and arming thresholds
  • Configurable trigger patterns or preset triggering options.
  • Supports nearly all OEM trigger patterns and custom trigger arrangements
MotorSport Features
  • Antilag Group A/Group N
  • Launch/Traction Control
  • Flat Shifting
  • Stats Logging
  • Staged Injection
Auxiliary Output Options
  • Application specific. Output drives can be altered from OEM configuration. e.g. Purge control may be in the standard set-up. This can be re-wired and programmed in the Link Plug-in to control intercooler water spray (if added) for example.
    • Each Output independently configurable
    • Unused ignition and injection outputs available as auxiliary outputs
    • General Purpose Output
    • General Purpose PWM
    • Continuously Variable Valve Timing Control
    • Closed Loop Idle Speed Control (Solenoid or Stepper (4 & 6 Terminal))
    • Fuel Pump
    • Fuel Pump Speed Control
    • Engine Fan
    • Air Con Clutch
    • Air Con Fan
    • Intercooler Spray
    • Tacho
    • Check Engine Light
    • Purge Solenoid
    • Oxygen Sensor Heater
    • Switched Cam Solenoid
Variable Valve Timing (where applicable)
  • Up to 4 channel independent
  • Precision Closed Loop Control
  • 3D Tables with configurable X and Y axis controls
  • Preset or Custom Configuration
  • Supported Engines - 1UZFE VVTi; Subaru AVCS; EVO 9 VVT; BMW VANOS; Toyota 3SGE, 1ZZ, IJZ, 2NZ, 2JZ; Honda K20; Nissan VQ35; Ford V8; Holden V6
  • 40 MHz Specialised Engine Management Microprocessor
  • Ignition control to 0.1 degree, fuel to 0.01 ms
  • 32 Bit Calculation
  • 10 Bit ADC Resolution
  • 20000+ RPM
  • 4Mb Non Volatile Flash
  • Totally application specific
  • Tuning Port USB Via Adapter Cable
  • Serial RS232
  • CAN
Analog Inputs
  • Each channel independently configurable with preset or custom calibrations
  • Wideband O2 (from external controller)
  • Boost Adjust Signal
  • Configurable Fault Detection Settings
  • Voltage (0-5V)
  • Pyro (from external controller)
  • Throttle Position
  • Pressure (general purpose, fuel, oil)
  • Air Flow Meter
  • MAP
  • Temperature (coolant, IAT, general purpose)
  • Throttle Position
  • Narrow Band O2
Boost Control
  • Engine Temp Correction
  • IAT Correction
  • Multiple Boost Tables
  • External Adjustment
Idle Control
  • Reliable and accurate user configurable Closed Loop Control
  • Solenoid or Stepper Motor ISC Valve
  • Aircon, Engine Fan or Power Steer idle up
  • Open Loop Control Mode for diagnostics
  • Internal Temperature Range -10 - 85oC
  • Ambient Temperature Range -30 - 90oC
  • Voltage 8 - 22V
  • Operating Current 200mA
  • Electrical protection on all inputs and outputs
  • Adjust ALL parameters in real time
  • Mouse or keyboard operation
  • Tuning
  • QuickTune - automated fuel self tuning
  • Logging Analysis
  • Diagnostic Information
  • Built In Help
  • Definable Screen Layouts
  • View over 300 possible run time parameters
  • Dimensions and weights change according the the specific plug-in supplied 
  • Connector : Same as factory ECU
Package Contents
  • G4 Plug-In ECU
  • MAP sensor for applications where no factory MAP sensor fitted
  • Anti static strap
  • Wiring and Installation Instructions
Additional Accessories (Purchased Separately)
  • Intake Air Temperature Sensor
    - 3/8 NPT
    - Bosch push in
    - 14mm (Aluminium or Steel Mounting Bosses to suit)
  • Throttle Position Sensor
  • 1,2 or 3 Channel Link Igniter
  • Narrowband Oxygen Sensor
  • Wideband O2 Controller & Sensor
  • Injector Ballast Resistor Packs

    - 1 x 1R (6 x <6R injectors)
    - 2 x 1R (12 x <6R injectors)
    - 1 x 4R7 (1 x <6R injectors)
    - 2 x 4R7 (2 x <6R injectors)
    - 1 x 2R2 (1 x <3R injectors)
    - 2 x 2R2 (2 x <3R injectors)
    - 4 x 4R7 (4 x <6R injectors)
    - 6 x 4R7 (6 x <6R injectors)

Manufacturing Standard
  • ISO 13485

Достъпно за следните автомобили

Марка & Модел
Версия Specification Part Number


E36Link Bosch M50TB25 replacement
Internal 6 channel igniter, Auto or Man transmission BMWE36


G4 VLLink VL Commodore



G4 CivicLink
1992 - 1995
B16a Includes boost control (add our three port solenoid)
G4 CivicLink 1996 - 1999 B16a Includes boost control (add our three port solenoid) HC96


G4 RX7Link Series 6
Includes “oil metering pump” control, single turbo only RX7S6

G4 RX7Link

Series 7, 8

Includes “oil metering pump” control, single turbo only


G4 MX5 Link Miata / MX-5,
323 GT-X


G4 EVOLink
EVO I – III GSR & EVO (On-board PCB 2.5 bar MAP sensor) EVO3G4
G4 EVOLink EVO IV – VIII Includes 2.5 bar MAP sensor EVO8G4
Includes 2.5 bar MAP sensor EVO9G4
G4 VR4Link VR4
4G63 (On-board PCB 2.5 bar MAP sensor)


G4 GTSLink R32-R33 (Blue header plug) (76 pin)
G4 GTRLink R32-R34
(Blue header plug) (76 pin)
RB25DET “NEO” (Grey header)
G4 S15Link Silvia S13, S14 & S15
SR20DET (64 pin)
G4 GTIRLink GTIR SR20DET (64 pin)
G4 S13Link Silvia S13 & S14
CA18DET (S13), SR20DET (S14) 
(Both 76 pin)


G4 WRXLink V1 & V2 Impreza WRX & STI (MY93 – MY96) + RS Legacy
G4 WRXLink V3 & V4
Impreza WRX & STI (MY97, MY98 & 22B) WRX4G4
G4 WRXLink V5 & V6
Impreza WRX & STI (MY99 & MY00) & Forester WRX6G4
G4 WRXLink V7 & V8 & V9
Impreza WRX & STI, cam control WRX9G4

G4 WRXLink


Impreza WRX & STI, cam control & e-throttle control

  • Does not fit inside original ECU enclosure
  • G4 Xtreme and AdaptaLink

G4X + AXS10


G4 CelicaLink




G4 CelicaLink ST185

G4 MR2Link

3SGTE Rev 2 & 3



G4 MR2Link 3SGTE Rev 1



02.03.2011 Link Engine Management in Eastern Europe

Link products are already on the Eastern Europe market. Uniflex Motorsport is an official dealer for Eastern Europe. Uniflex Motorsport is authorized to distribute Link's products in the following countries: