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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. 

Designed for the Honda S2000 AP1.


  • Please check your connector matches the header in the listed photo before purchasing.  
  • This ECU works for manual transmissions only.
  • This ECU doesn't support factory E-Throttle Models
  • 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 (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:  

Honda S2000 AP1 1999-2004

Honda S2000 AP2 2005 (Non E-throttle)

S2000Link - S2000X

Excluding VAT
  • 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 Expansion Options:
    The following expansion connector inputs/outputs are provided: 

    E-Throttle Connector

    E-Throttle 1 - Ground (Signal)
    E-Throttle 2 - +5V Out
    E-Throttle 3 - An Volt 10
    E-Throttle 4 - An Volt 9
    E-Throttle 5 - An Volt 8
    E-Throttle 6 - An Volt 7
    E-Throttle 7 - Aux 10
    E-Throttle 8 - Aux 9

    Expansion Connector 1

    Expansion 1 - Ground (Signal)
    Expansion 2 - Aux 11
    Expansion 3 - Aux 6
    Expansion 4 - DI 11
    Expansion 5 - DI 10
    Expansion 6 - DI 9
    Expansion 7 - DI 2
    Expansion 8 - DI 1

    Expansion Connector 2 

    Expansion 9 - Ground (Signal)
    Expansion 10 - Aux 16
     Expansion 11 - Not Connected
    Expansion 12 - Not Connected
    Expansion 13 - Not Connected
    Expansion 14 - Not Connected
    Expansion 15 - An Volt 12
    Expansion 16 - An Volt 6

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