Link ECU - WRXLink - WRX2X

Easy to install. Affordable. Reliable.

G4X PlugIn ECUs offer the latest in engine management technology, designed to easily maximize the potential from your car. This ECU fits inside the factory OEM enclosure. Installation of the processing unit is a breeze, with no alteration of the factory wiring loom required for the models listed below.

Designed for the WRX V1-2 EJ20.

• Please check that your pinout/connector matches the header in the listed photo before purchasing.  
• This ECU works for manual transmissions only.  
• Air temp sensor highly recommended. 
• Most factory features are supported. 
• Check the features tab for I/O input & output expansion options.
• This ECU will need a modification before E-Throttle is usable.

Suitable Applications for 226-4000 Automotive Computer Unit:

• GC8A 
• GC8B 
• GC8C 
• WRX and STI from 10/1992 to 8/1996

G4X PlugIn Key Features (where applicable):

• Up to 6D fuel and ignition mapping
• Precision closed loop cam control (four cam, independent control)
• Sequential fuel delivery
• Digital triggering, all OEM patterns
• OEM idle hardware supported
• 5D boost control with three switchable tables
• Motorsport features - antilag, launch, flat shift
• Continuous barometric correction (on board)
• CAN port
• QuickTune - automated fuel tuning
• Individual cylinder correction
• USB tuning cable included
• Stats recording into on-board memory
• Gear compensations for spark, boost and fuel
• Real time selectable dual fuel, ignition and boost maps
• Sync and crank sensors can be a combination of Hall effect, variable reluctance or optical
• Boost control referenced to gear, speed or throttle position
• 512 mega bytes data logging memory within data storage unit
• Staged injection
• Knock with "windowing"

The following expansion connector inputs/outputs are provided:

Expansion connector 1

• Gnd                   Sensor Ground Only
• +5V                   Low Current +5V Supply
• DI 5                   Digital Input
• DI 6                   Digital Input
• Volt 5                Analog 0-5V input
• Volt 6                Analog 0-5V input
• An Temp 2        Temperature sensor input
• An Temp 3        Temperature sensor input

Expansion connector 2

• Gnd                  Sensor Ground Only
• +5V                  Low Current +5V Supply
• DI 9                  Digital Input
• DI 10                Digital Input
• Volt 8               Analog 0-5V input
• Volt 9               Analog 0-5V input
• Ign 7                Ignition 7 Auxiliary Output
• Ign 8                Ignition 8 Auxiliary Output

Click here to download the full Specifications PDF.