Nissan GTR R32 R33 R34 with E-Throttle Link Ecu G4X
Link ECU G4X Nissan Skyline GT-R RB PlugIn ECU — NGTRX
Upgrade your Nissan RB-powered vehicle with the Link ECU G4X NGTRX PlugIn ECU. Designed for Nissan’s blue-plug RB engine harness, this ECU provides modern standalone engine management while retaining the factory ECU enclosure and original wiring loom.
Installation is straightforward, with no major modification to the factory wiring required for the compatible vehicles listed below. The NGTRX gives you precise control over fuel, ignition, boost, electronic throttle, data logging and advanced motorsport functions.
FREE Link ECU USB Tuning Cable — $70 Value
Every NGTRX ECU purchased from Kugan Tuning includes a compatible Link ECU USB tuning cable at no additional cost. Connect your laptop directly to the ECU for configuration, diagnostics, data logging and professional tuning.
Why Choose the Link G4X NGTRX?
- Designed for Nissan RB engines with the blue ECU connector
- Fits inside the factory OEM ECU enclosure
- Connects to the original engine wiring loom
- No complete standalone harness required
- Available with an onboard 4-bar or 7-bar MAP sensor
- Supports electronic throttle control
- Supports most factory vehicle functions
- Powered four-pin CAN connection
- 512 MB onboard data-logging memory
- Expandable inputs and outputs
- FREE Link ECU USB tuning cable included—a $70 value
- FREE remote setup support included—a $297 value
Important Compatibility Information
- Compatible with manual-transmission vehicles only
- Please compare your ECU connector with the connector shown in the product photos before ordering
- Designed for Nissan RB engines using the blue-plug wiring loom
- Some applications may require wiring or configuration changes
- The RB20DET application requires injector outputs 4 and 6 to be swapped
- Professional installation and calibration are strongly recommended
Suitable Applications
RB26DETT
Found in:
- Nissan R32 Skyline GT-R
- Nissan R33 Skyline GT-R
- Nissan R34 Skyline GT-R
- Nissan Stagea Autech 260RS
RB20DE
Found in:
- Nissan R32 Skyline
- Nissan R33 Skyline
- Nissan A31 Cefiro
RB20DET
Found in:
- Nissan R32 Skyline, including four-wheel-drive models
- Nissan A31 Cefiro
- Nissan C33 Laurel
Important: Injector outputs 4 and 6 must be swapped on RB20DET applications.
RB25DE
Found in:
- Nissan R32 Skyline
- Nissan R33 Skyline
- Nissan C33 Laurel
- Nissan C34 Laurel
- Nissan A31 Cefiro
RB25DET
Found in:
- Nissan R33 Skyline, including four-wheel-drive models
- Nissan C34 Laurel
RB30 Applications
Compatible with RB30DE, RB30DET and RB30DETT combinations using:
- Non-NEO cylinder heads
- Blue-plug engine wiring looms
Powered CAN Connection
This PlugIn ECU uses Link ECU’s newer four-pin powered CAN connector. It is not compatible with the older CANPCB cable.
Use the Link ECU CANJST4 cable, part number 101-0198, when connecting CAN devices. This connection provides:
- CAN communication
- Protected 12-volt power supply
- Ground connection
- Self-resetting fuse rated for 3 amps of continuous current
The CANJST4 cable is sold separately unless specifically selected or included with your order.
G4X Engine-Management Features
- Up to 6D fuel and ignition mapping
- Sequential fuel injection
- Digital triggering with support for OEM trigger patterns
- Precision closed-loop camshaft control
- OEM idle-control hardware support
- 5D boost control with three switchable tables
- Boost control based on gear, vehicle speed or throttle position
- Launch control
- Anti-lag
- Flat-shift control
- QuickTune automated fuel tuning
- Individual-cylinder fuel and ignition correction
- Gear-based fuel, ignition and boost compensation
- Real-time selectable fuel, ignition and boost maps
- Continuous onboard barometric correction
- Staged injection
- Knock control with configurable knock windows
- Hall-effect, variable-reluctance and optical trigger-sensor support
- CAN communication
- Electronic throttle control
- Onboard statistics recording
- 512 MB of onboard data-logging memory
Expansion Connector 1
- Sensor ground
- Low-current 5V sensor supply
- Digital input 5
- Digital input 6
- Analog voltage input 8
- Analog voltage input 2
- Temperature input 3
- Temperature input 4
Expansion Connector 2
- Sensor ground
- Low-current 5V sensor supply
- Ignition 7 auxiliary output
- Ignition 8 auxiliary output
- Digital input 9
- Digital input 10
- Analog voltage input 10
- Auxiliary output 11
What’s Included
- Link ECU G4X NGTRX PlugIn ECU
- Selected onboard 4-bar or 7-bar MAP sensor
- FREE Link ECU USB tuning cable—a $70 value
- FREE Kugan Tuning remote setup support—a $297 value
FREE Remote Setup Support — $297 Value
When you purchase your Link ECU from Kugan Tuning, you receive complimentary remote setup support to help you prepare the ECU and vehicle for startup and tuning.
Remote setup support includes:
- Remote ECU connection and setup assistance
- Basemap selection guidance
- Initial ECU configuration assistance
- Startup and sensor verification
- Guidance preparing the vehicle for professional tuning
This support helps identify configuration or sensor problems early, reducing unnecessary troubleshooting and wasted dyno time.
Custom dyno tuning or complete remote tuning is not included unless separately purchased. Vehicle startup and operation depend on proper installation, wiring, mechanical condition and calibration.