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Link G4X MR2Link V1 - TST185X

Easy to install. Affordable. Reliable.
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 3SGTE engine in the models specified below.

Please check your connector matches the header in the listed photo before purchasing.
This ECU works for manual transmissions only.
A Link Air Temp Sensor is highly recommended with 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:
Toyota MR2 (SW20) from 1989 to 1992
Toyota Celica ST185 (except the GT-Four RC/Carlos Sainz Special Edition which is compatible with the Link TST205X Plugin)

If you have a deadline to meet, please confirm that we have stock ready for dispatch to avoid disappointment!

FREE SHIPPING ON ORDERS OVER $1200!**

Product Info

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:
Gnd Sensor Ground Only
+5V Out Low Current +5V Supply
DI 5 Digital Input for switching functions.
DI 6 Digital Input for switching functions.
DI 4 Digital Input for switching functions.
An Volt 4 Analog 0-5V input
An Volt 5 Analog 0-5V input
An Volt 6 Analog 0-5V input

An ignition expansion allows you to convert to a Direct Spark ignition system. Alternatively, these outputs can be used to drive auxiliary devices. The following pinout describes the available connections. (This is not included and needs to be purchased separately.)
Ignition Expansion:
1 Ignition 1
2 Ignition 2
3 Ignition 4
4 Ignition 3

Shipping & Returns

Free Shipping does not apply to some heavy items, for example: Wisefab & BC Racing are included for free shipping, NPC and some PWR are not included.

Shipping times may vary depending on your location, however the majority of packages are received within 3-5 business days of dispatch!

We dispatch 5 days a week, and aim to process all orders within 24hrs*

On weekends and public holidays, orders will be processed next business day.

*order processing may be delayed during sale events or holiday periods.

Payment Methods

We accept all major payment methods including Visa, Mastercard, AMEX & Paypal.


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