Link ECU G4X MR2Link V3 TST205X PlugIn ECU fits the Toyota MR2 V2-3 & Celica ST205 3SGTE

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 3SGTE engine in the models specified below. 

• Please check your pinoutconnector matches the header in the listed photo before purchasing.  
• This ECU works for manual transmissions only.  
• ECU does not fit in the original housing of non-turbo cars 
• Most factory features are supported. 
• Check the features tab for I/O expansion options.
• This ECU will need a modification before E-Throttle is usable.

Suitable applications: 

• Toyota MR2 1993 onwards (Gen3 3SGTE) not including RedTop Beams 
• Celica ST205  
• Carlos Sainz Edition
• GT-Four RC
• Group A Rallye

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: 

Expansion connector 1 

Gnd                Sensor Ground Only  

+5V Out        Low Current +5V Supply 

DI 5                Digital Input 

DI 6                Digital Input 

DI 4                Digital Input 

An Volt 7        Analog 0-5V input 

An Volt 5        Analog 0-5V input 

An Volt 6        Analog 0-5V input 

Expansion connector 2 

Ign 5                Ignition 5 Auxiliary Output 

Ign 6                Ignition 6 Auxiliary Output 

Ign 7                Ignition 7 Auxiliary Output 

Ign 8                Ignition 8 Auxiliary Output 

DI 9                Digital Input 

DI 10                Digital Input 

Volt 8                Analog 0-5V input 

Volt 9                Analog 0-5V input