GTTLink

Easy to install. Affordable. Reliable.

G4X PlugIn ECUs offer the latest in engine management technology, designed to easily maximize the potential of 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.

The NGTTX is Designed to suit the grey plug RB (typically neo) engine.

Please check your connector matches the header in the listed photo before purchasing.
This ECU works for manual transmissions only.
Most factory features are supported.
Note, that this ECU does not currently output the 4WD signal required for proper 4WD operation in 4WD Stageas and skylines.
Check the features tab for I/O expansion options.

Suitable applications:

RB20DE NEO, RB25DE NEO and RB25DET NEO in R34 Skylines.
RB20DE NEO, RB25DE NEO and RB25DET NEO in C35 Laurels.
RB20DE NEO, RB25DE NEO and RB25DET NEO in Nissan Stageas.
Plus, non-neo motors in Stageas.

G4X PlugIn Key Features (where applicable):

Up to 6D fuel and ignition mapping.
Precision closed loop cam control (four cams, independent control).
Sequential fuel delivery.
Digital triggering, all OEM patterns.
OEM idle hardware supported.
5D boost control with three switchable tables.
Motorsport features - anti lag, 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 the Hall effect, variable reluctance or optical.
Boost control referenced to gear, speed or throttle position.
512 megabytes data logging memory.
Staged injection.
Knock with "windowing".

I/O Expansion Options:

The following expansion connector inputs/outputs are provided:
Expansion connector 1
SGnd Sensor Ground Only
+5V Out Low Current +5V Supply
DI 7 Digital Input
DI 8 Digital Input
An Volt 10 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

SGnd Sensor Ground Only
+5V Out Low Current +5V Supply
DI 5 Digital Input
DI 6 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

Pin 108 “ OBD1 wire is now used for IAT on Temp 4.

Download Manual

Click here to download the user manual.
Click here to download the full Specifications PDF.

Nissan RB20 Parts

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Link ECU - G4X GTTLink - NGTTX Plug-in ECU