Link G4X FZJ100Link TFZJ100X ECU

The Link G4X FZJ100Link TFZJ100X ECU is a direct-fit engine management system designed for Toyota Land Cruiser FZJ100 models using the non-VVTi 1FZ-FE engine. It installs into the factory ECU location and connects directly to the original wiring loom for a clean OEM-style installation.

This ECU provides full control of fuel, ignition, idle, boost, and auxiliary systems while delivering advanced tuning capability through the G4X platform.

Important: Manual transmission only. Designed for non-VVTi 1FZ-FE engines. This ECU supports both 3-plug and 4-plug factory wiring looms. On 4-plug vehicles, the unmatched loom connector is left disconnected. E-throttle requires modification before use. Refer to the product manual for full details.

Engine Control Capability

• Designed for Toyota 1FZ-FE engines
• Sequential fuel injection
• Digital triggering using OEM patterns
• OEM idle control supported
• Staged injection support
• Knock control with windowing

Hardware and Platform

• Direct plug-in installation using factory ECU location
• Supports both 3-plug and 4-plug OEM looms
• Continuous onboard barometric correction
• USB tuning connection
• CAN communication support
• 512 MB onboard data logging

Vehicle Compatibility

• Toyota Land Cruiser FZJ100
• 1FZ-FE non-VVTi engine
• Manual transmission only

Notes:

• E-throttle requires modification before use
• XS Expansion Loom allows additional I/O expansion

G4X Plug-In Key Features

• Up to 6D fuel and ignition mapping
• OEM idle hardware 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

Downloads and Resources

• TFZJ100X Product Manual (PDF)

View all Link ECU Resources