Honda K20A Plug-In ECU

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 K20A engine.  

·         Please check your connector matches the header in the listed photo before purchasing.  

·         This ECU works for manual transmissions only.  

·         ECU includes an onboard 7 bar MAP sensor.

·         Most factory features are supported.

·         Check the features tab for I/O input & output 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 (Code 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.

Suitable applications (Manual Transmission only) for 237-4000 automotive computer unit:  

Honda Integra Type R DC5 2002-2004 with K20A/K20A2/K20A3 Engine

Acura RSX 2002-2004 with K20A/K20A2/K20A3 Engine

Honda Civic Type R EP3 2001-2005 with K20A Engine

Honda Civic Si/SiR 2001-2005 with K20A3

Honda Civic DX/LX/HX 2001-2005 with D17A1/A2/A3 Engine

Honda CR-V 2002-2004 with K24A1 Engine

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 megabytes data logging memory within data processing unit

• Staged injection

• Knock with "windowing"

Download manual here 

Click here to download the full Specifications PDF.