Mazda MX5/Miata 1600 & 1800 (1989-1996) Link G4X Plug In ECU
Mazda MX5/Miata 1600 & 1800 (1989-1996) Link G4X Plug In ECU

Mazda MX5/Miata 1600 & 1800 (1989-1996) Link G4X Plug In ECU

Regular price $2,098.75 Sale

This is the latest Link G4X Mazda MX5 1600 & 1800 (89-96) Plug-in ECU.

Designed for the MX5 B6ZE(RS) / BP 1.8L engine. 

  • Please check your connector matches the header in the listed photo before purchasing.  
  • This ECU works for manual transmissions only.  
  • Includes onboard 4 bar or 7 bar MAP sensor 
  • Knock control not available on this ECU. 
  • Most factory features are supported 

Suitable applications:  

1600 1989-1997 NA MX5 
1800 1989-1997 NA MX5 
1800 323/Familia GTX 
1800 323/Familia GTR 
Please note: This ECU does not fit NB, NC, ND models. This unit is only suitable for the 2 plug ECU and not the later 3 plug models).

G4X PlugIn Key Features (where applicable):

  • Up to 6D fuel and ignition mapping
  • Precision closed loop cam control (four cam, independent control)
  • Sequential fuel delivery
  • Digital triggering, all OEM patterns
  • OEM idle hardware supported
  • 5D boost control with three switchable tables
  • Motorsport features - antilag, 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 Hall effect, variable reluctance or optical
  • Boost control referenced to gear, speed or throttle position
  • 512 mega bytes 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                Low Current +5V Supply 
  • DI 7                Digital Input 
  • DI 6                Digital Input 
  • Volt 5                Analog 0-5V input 
  • Volt 6                Analog 0-5V input 
  • Temp4                Temperature sensor input 
  • Temp3                Temperature sensor input 


Expansion connector 2 

  • SGnd                Sensor Ground Only  
  • +5V                Low Current +5V Supply 
  • Ign 7                Auxiliary Output 
  • Ign 8                Auxiliary Output 
  • DI 8                Digital Input 
  • DI 9                Digital Input 
  • Volt 9                Analog 0-5V input 
  • Volt 10                Analog 0-5V input 

    Link G4X ECUs do not require the use of an air flow meter. The engine can be converted to speed density using  MAP sensor and an intake air temperature (IAT) sensor ( air temp sensor sold separately ) 

    The G4X Mazda MX5 1600 & 1800 (89-96) plug-in ECU comes with a non-engine-specific base map. The ECU will need to be configured for the engine type and then tuned by a professional. The ECU comes with free PCLink software.

    We can also provide the following with your new Link ECU at an added cost:
    - Fuel System Upgrades
    - Turbosmart Wastegates, Blow off valves and Fuel Pressure Regulators
    - Boost Control Solenoids
    - Dyno Tuning
    - Engine sensors and plugs etc
    - Full Link ECU engine wiring installation available at an extra cost