Link ECU · Link G4X Plug-In ECU
WRXLink (7–9) WRX9X
G4X Plug-In for the version 7–9 WRX and STI with the 2.0 EJ20 engine and cam control, 5-plug ECU
- Part number
- 229-4000
- Application
- Subaru WRX V7–V9 EJ20 (GD/GG, MY2000–2007)
- Availability
- Made to order
€2,278.85
Price includes 22% Italian VAT
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Description
The WRX9X fits inside the factory enclosure and replaces the OEM ECU of V7–V9 WRX cars (GD/GG chassis, MY2000–2007 with cam control, 2.0 L models only), with no alteration to the wiring loom. Fits 5-plug ECUs.
G4X Plug-In ECUs replace the factory ECU and fit inside the original enclosure, with no alteration to the vehicle wiring loom. All the features of a Link G4X wire-in ECU, with a direct-fit installation.
Important notes
- Before purchasing, check that your factory ECU connector matches the header shown in the photos.
- Manual transmission only.
- An intake air temperature (IAT) sensor is highly recommended.
- Most factory features are supported.
Compatible applications
- Subaru Impreza WRX and STI V7–V9, GD/GG chassis, MY2000–2007, 2.0 EJ20 with cam control, 5-plug ECU
G4X 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 MB data logging memory
- Staged injection
- Knock control with windowing
I/O expansion
Inputs and outputs available on the expansion connectors, as per Link documentation.
Expansion connector 1
| Ign 6 | Ignition 6 Auxiliary Output |
| Ign 7 | Ignition 7 Auxiliary Output |
| Ign 8 | Ignition 8 Auxiliary Output |
| DI 7 | Digital Input |
| DI 8 | Digital Input |
| DI 9 | Digital Input |
| An Temp 4 | Temperature sensor input |
| An Volt 11 | Analog 0-5V input |
Expansion connector 2
| Gnd | Sensor Ground Only |
| +5V Out | Low Current +5V Supply |
| Aux 9 | EThrottle - can't be used as an Aux out |
| Aux 10 | Auxiliary Output |
| Volt 6 | Analog 0-5V input |
| Volt 7 | Analog 0-5V input |
| Volt 9 | Analog 0-5V input |
| Volt 10 | Analog 0-5V input |
