



G4X PlugIn ECUs offer the latest in engine management technology, designed to easily maximize the potential from your car.
This ECU fits inside the factory OEM enclosure. Installation is a breeze, with no alteration of the factory wiring loom required for the models listed below.
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.
- Check the features tab for I/O expansion options.
- This ECU will need a modification before E-Throttle is usable.
Suitable applications:
1600 1989-1997 NA MX5
1800 1989-1997 NA MX5
1800 323 GTX
1800 323 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).
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
Download Manual
Click here to download the user manual.
- Stock: Pre-Order in 1 - 5 days
- Model: MX5NAX