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.

The Link G4X ECU TTLink TTX PlugIn Designed for the VWAG PQ34 1.8l Turbo engine with E-Throttle.

• Please check your connector matches the header in the listed photo before purchasing.
• This ECU works with manual transmissions only
• Check the features for I/O expansion options
• Most factory features are supported.
• Air temp sensor highly recommended
• Includes an onboard 4 bar or 7 bar MAP sensor

Suitable Applications

Engine must be 1.8T
ECU header must have two connectors, 121 pin total
Must be Drive by Wire (E-throttle)
Must be manual transmission
FWD or 4WD (Haldex)
The following vehicles are known to be compatible:

• Audi-TT-99-02-AJQ
• VW-Beetle-2005-AWU
• VW-Passat-2000
• VW-Golf-2001-AUM

Vehicles with the following engine codes are known not to be compatible: AEB, AGU, AJH, AJL

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 MB data logging memory
• Staged injection
• Knock with "windowing"

I/O Expansion Options:

The following expansion connector inputs/outputs are provided:
Expansion connector 1

• TEMP3 - Temperature sensor input
• TEMP4 - Temperature sensor input
• VOLT4 - Analog 0-5V input
• VOLT5 - Analog 0-5V input
• DI8 - Digital Input
• DI7 - Digital Input
• +5V - Low Current +5V Supply
• GND - Sensor Ground Only

*Please see the PC Link Help file for details regarding installing the Expansion Cable.

Download Manual: Here