Link Engine Management
Link G4X GTRLink NGTRX ECU
Link G4X GTRLink NGTRX ECU
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The Link G4X GTRLink NGTRX ECU is a direct-fit engine management system designed for Nissan RB-series engines using the blue plug ECU. It installs into the factory ECU enclosure and connects directly to the OEM wiring loom on supported vehicles.
This ECU is intended for manual transmission vehicles only and supports most factory systems while providing advanced tuning capability through the G4X platform.
Important: Manual transmission only. Designed for blue plug Nissan RB engine applications. Includes onboard 4 bar or 7 bar MAP sensor and electronic throttle control as standard. Please confirm your ECU connector matches the header shown in the product images before purchase.
Engine Control Capability
- Designed for Nissan RB-series engines
- Sequential fuel injection
- Digital triggering using OEM patterns
- Precision closed loop cam control
- Staged injection support
- Knock control with windowing
Hardware and Platform
- Direct plug-in installation using factory ECU enclosure
- Includes onboard 4 bar or 7 bar MAP sensor
- E-throttle (drive-by-wire) support included
- 4-pin powered CAN connector
- USB tuning connection
- 512 MB onboard data logging
Vehicle Compatibility
- RB26DETT engines in R32, R33, and R34 Skyline GT-R
- Autech 260RS Stagea (RB26DETT)
- RB20DE engines in R32 and R33 Skylines, A31 Cefiro
- RB20DET engines in R32 Skylines (including AWD), A31 Cefiro, C33 Laurel (injectors 4 and 6 require swapping)
- RB25DE engines in R32 and R33 Skylines, C33 and C34 Laurels, A31 Cefiro
- RB25DET engines in R33 Skylines (including AWD) and C34 Laurel
- RB30DE, RB30DET, and RB30DETT using non-NEO heads and blue plug looms
- Manual transmission only
G4X Plug-In Key Features
- Up to 6D fuel and ignition mapping
- Sequential fuel delivery
- OEM idle control supported
- 5D boost control with three switchable tables
- Launch control, anti lag, and flat shift
- Individual cylinder fuel and ignition correction
- Gear-based fuel, ignition, and boost compensation
- QuickTune automated fuel tuning
- Selectable dual fuel, ignition, and boost maps
- CAN communication support
I/O Expansion
Expansion Connector 1
- GND – Sensor ground
- +5V Out – Low current +5V supply
- DI5 – Digital input
- DI6 – Digital input
- Analogue Voltage 8 (0–5V)
- Analogue Voltage 2 (0–5V)
- Analogue Temperature 3
- Analogue Temperature 4
Expansion Connector 2
- GND – Sensor ground
- +5V Out – Low current +5V supply
- Ign 7 – Ignition auxiliary output
- Ign 8 – Ignition auxiliary output
- DI9 – Digital input
- DI10 – Digital input
- Analogue Voltage 10 (0–5V)
- Aux 11 – Auxiliary output
CAN note: This Plug-In uses a 4-pin powered CAN connector and cannot use the older CANPCB cable. Use the CANJST4 cable (Link PN 101-0198) for CAN devices.
Downloads and Resources
