Subaru WRX & WRX STI V11 EJ20/EJ25 Turbo Plug-in ECU
Easy to install. Affordable. Reliable.
G4X Plug-in ECUs offer the latest in engine management technology, designed to easily maximize the potential of 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 the PC Link.
Designed for the WRX & WRX STI V11 EJ20/EJ25 Turbo (GR/GV/GH/GE chassis, MY2007-2011, Denso ECU from factory). All factory functions including DCCD, hill start assist, SI drive, cruise control, cam control & ABS supported.
Note: Supports North American models with Denso ECU from late 2007-2010 only. Some North American models have a Hitachi ECU which is not supported. Check with our tech support team if you are unsure.
- Please check your connector matches the header in the listed photo before purchasing.
- This ECU works for manual transmissions only.
- An air temp sensor is highly recommended.
- Most factory features are 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.
G4X Plug-in Key Features (where applicable):
- Up to 6D fuel and ignition mapping.
- Precision closed loop cam control (four cams, independent control).
- Sequential fuel delivery.
- Digital triggering, all OEM patterns.
- OEM idle hardware supported.
- 5D boost control with three switchable tables.
- Motorsport features - anti-lag, launch, flat shift.
- Continuous barometric correction (on board).
- CAN port.
- Quick Tune - 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 Aux 16
Pin 2 DI 11
Pin 3 An Temp 4
Pin 4 Knock 2
Pin 5 Injector 6
