Link MR2Link V1 - TST185X - 221-4000

Link TST185X Plug-In ECU (Toyota MR2 V1 & Celica ST185) - 221-4000

The TST185X is a G4X plug-in ECU for the SW20 MR2 (Rev 1) and ST185 Celica. It mounts in the factory ECU location using the stock mounts, loom and connectors with no rewiring or adapters, keeps the factory functions and a stock appearance, and includes a startup map.

It brings the G4X platform and PCLink software to these 3S cars, with motorsport functions including nitrous, launch control, anti-lag, cruise and traction control, race timer/power management and gear and paddle shift control.

Suits: Toyota MR2 SW20 Rev 1 (1989-1992) with 3S-GE or 3S-GTE; Toyota Celica ST185 with 3S-GE or 3S-GTE. Manual transmission only.

Includes: G4X TST185X plug-in ECU, anti-static strap, USB tuning cable, Link stickers, plug-in manual card, product registration card.

Specifications

• Communications: 1 x CAN bus; LTW 6-pin USB tuning connection
• Operating voltage: 6.5-24 V; maximum input voltage 36 V; maximum continuous current draw 500 mA
• Dimensions: 190 x 160 x 30 mm (7.48 x 6.30 x 1.18 in)
• Weight: 260 g (9.17 oz)
• Inputs/outputs: see the TST185X installation manual

Notes

• Check that your connector matches the header shown in the photos before ordering.
• The Celica GT-Four RC / Carlos Sainz Special Edition uses the TST205X (222-4000) instead.
• A Link air temperature sensor is highly recommended.
• E-throttle is not usable until a modification is made.
• Most factory features are supported. Not for use where it would interfere with a vehicle's safety or emission control features. Link recommends installation and setup by an official Link dealer.

You may also need

A Link air temperature sensor such as the IAT1-8 (101-0045). For the Celica GT-Four RC, see the TST205X Plug-In ECU (222-4000).

Downloads

• TST185X User Manual (PDF)
• G4X Plug-In ECU Specifications (PDF)