Link Engine Management
Link G4X JZX90Link JZX90X ECU
Link G4X JZX90Link JZX90X ECU
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The Link G4X JZX90Link JZX90X ECU is a direct-fit engine management system designed for Toyota JZX platforms using the non-VVTi 1JZ-GTE engine. 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 non-VVTi 1JZ-GTE engines. Includes onboard 7 bar MAP sensor. Factory traction control is not supported and warning lamps may be illuminated. Please confirm your ECU connector matches the header shown in the product images before purchase.
Engine Control Capability
- Designed for non-VVTi 1JZ-GTE 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 7 bar MAP sensor
- Continuous onboard barometric correction
- USB tuning connection
- 512 MB onboard data logging
Vehicle Compatibility
- Toyota JZX90 Chaser, Cresta, Mark II with 1JZ-GTE (non-VVTi)
- Toyota JZZ30 Soarer with 1JZ-GTE (non-VVTi) – pin compatible only
- 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
- Pin 1 – Signal ground
- Pin 2 – +5V out
- Pin 3 – Injector 6
- Pin 4 – DI8
- Pin 5 – DI7
- Pin 6 – IGN8
- Pin 7 – Analogue Temperature 4
- Pin 8 – Analogue Temperature 3
E-Throttle Connector
- Pin 1 – Signal ground
- Pin 2 – +5V out
- Pin 3 – Analogue Voltage 4
- Pin 4 – Analogue Voltage 5
- Pin 5 – Analogue Voltage 6
- Pin 6 – Analogue Voltage 7
- Pin 7 – Aux 10
- Pin 8 – Aux 9
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
