Link Toyota MR2Link V1 - TST185X PlugIn ECU

Easy to install. Affordable. Reliable.

G4X PlugIn ECUs offer the latest in engine management technology, designed to easily maximize the potential of 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.

This ECU works for manual transmissions only.
A Link Air Temp Sensor is highly recommended with this ECU
Most factory features are supported.

Suitable Applications:

Toyota MR2 (SW20) from 1989 to 1992
Toyota Celica ST185 (except the Carlos Sainz special edition)

G4X PlugIn Key Features (where applicable):

Up to 6D fuel and ignition mapping
Precision closed loop cam control (four cams, independent control)
Sequential fuel delivery
Digital triggering, all OEM patterns
OEM idle hardware supported
5D boost control with three switchable tables
Motorsport features - anti-lag, launch, flat shift
Continuous barometric correction (onboard)
CAN port
Quick Tune - 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 megabytes 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 is provided allowing 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.

Ignition Expansion:
1 Ignition 1
2 Ignition 2
3 Ignition 4
4 Ignition 3


Link Toyota MR2Link V1 - TST185X PlugIn ECU

  • G4X PlugIn ECU
  • Wiring and Installation Instructions
  • Stickers


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