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 is a breeze, with no alteration of the factory wiring loom required for the models listed below.
Due to the amount of variation on this vehicle, please ensure you read the Configuration - Memo Text in PCLink.
This product supports the following North American (USDM) models:
- 2011-2014 WRX STI hatch or sedan, GR/GV chassis code, manual transmission only. (note 2010 and earlier models used a different pinout which is supported by our WRX11 ecu - see model list link below).
- 2015-2021 WRX STI VA chassis code, must have EJ series engine, manual transmission only. (FA20 engine not supported).
Unsupported Models:
• 2008-2010 USDM models which have the international Denso ECU pinout. For compatible ECU, please see WRX11X above
• 2015 onwards WRX VAG models which have the FA direct injection engine
Take a look at our supported models list to find out which models are supported and technical information on how to check if a model is supported. Alternatively, contact your LinkECU Reseller or our 24/6 Tech Support Team.
Important Notes
- Please check your 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 including DCCD, hill start assist, SI drive, cruise control, cam control & ABS supported.
- Check the features tab for I/O expansion options.
Note: This Plug-in features a new 4 pin powered CAN connector and cannot use the old CANPCB cable for CAN connection. Use the CANJST4 (Link PN 101-0198) cable for connecting CAN devices. This new 4 pin port and cable provide not only the CAN connection, but also a protected 12V power supply and ground for powering the CAN devices. The power supply is protected by a self-resetting fuse rated at 3A continuous
Supported Factory Features:
• Factory DCCD system
• SiDrive (can be setup to adjust anything you like in ecu)
• MFD display, trip computer and gear display.
• ABS, stability control and all factory safety functionality.
• Hill start assist
• Brake pressure, all 4 wheel speeds, rear demister, handbrake, Trac mode, diff mode, steering wheel position and other CAN data able to be used for logging or other strategies.
• All other dash gauges and warning lamps working per factory. CE Lamp can be used for other functions such as shift light or knock warning.
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
Staged injection
Knock with "windowing"
I/O Options:
The following expansion connector inputs/outputs are provided:
Expansion Connector 1
Pin 1 Ground
Pin 2 +5v
Pin 3 An Temp 4
Pin 4 An Temp 3
Pin 5 An Volt 4
Pin 6 An Volt 5
Pin 7 An Volt 6
Pin 8 An Volt 7
Expansion Connector 2
Pin 1 Ground
Pin 2 +5V
Pin 3 Knock 2
Pin 4 DI11
Pin 5 Injector 5
Pin 6 Injector 6
Pin 7 Injector 7
Pin 8 Injector 8
Download Manual
Click here
Click here to download the full G4X Plug-In Specifications PDF.
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