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 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 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 for 233-4000 automotive computer unit:

Honda S2000 AP1 1999-2004

Honda S2000 AP2 2005 (Non E-throttle)

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 within data processing unit
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

HONDA PLUG IN