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 V5-6 EJ20.
- Please check your pinout 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
Note: V1.4 onwards of this Plug-in features a new 4 pin powered CAN connector and cannot use the old CANPCB cable for CAN connection. Use the CANJST4 (Code 101-0198) cable for connecting CAN devices. This new 4 pin port and cable provides 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.
Suitable Applications for 228-4000 automotive computer unit:
- GC8F
- GC8G
- WRX and STI from 09/1998 to 08/00
- MY99 & MY00
G4X PlugIn Key Features (where applicable):
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Up to 6D fuel and ignition mapping
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Precision closed loop cam control (four cam, independent control)
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Sequential fuel delivery
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Digital triggering, all OEM patterns
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OEM idle hardware supported
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5D boost control with three switchable tables
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Motorsport features - antilag, launch, flat shift
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Continuous barometric correction (on board)
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CAN port
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QuickTune - automated fuel tuning
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Individual cylinder correction
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USB tuning cable included
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Stats recording into on-board memory
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Gear compensations for spark, boost and fuel
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Real time selectable dual fuel, ignition and boost maps
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Sync and crank sensors can be a combination of Hall effect, variable reluctance or optical
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Boost control referenced to gear, speed or throttle position
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512 mega bytes data logging memory data storage unit
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Staged injection
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Knock with "windowing"
The following expansion connector inputs/outputs are provided:
XS connector 1
Gnd Sensor Ground Only
+5V Out Low Current +5V Supply
DI 8 Digital Input
DI 9 Digital Input
An Volt 8 Analog 0-5V input
An Volt 9 Analog 0-5V input
Ign 7 Ignition 7 Auxiliary Output
Ign 8 Ignition 8 Auxiliary Output
Expansion connector 2
Gnd Sensor Ground Only
+5V Out Low Current +5V Supply
DI 5 Digital Input
DI 7 Digital Input
An Volt 5 Analog 0-5V input
An Volt 6 Analog 0-5V input
An Temp 2 Temperature sensor input
An Temp 3 Temperature sensor input
Download Manual
Click here to download the user manual.
Click here to download the full Specifications PDF.
