This ECU fits in the factory OEM location. 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.

- This ECU works with manual transmissions only.
- Includes an onboard 4 bar or 7 bar MAP sensor.
- Most factory features are supported.
- Check the features tab for I/O expansion options

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)

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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
There is no separate expansion connector on the TT Link. Expansion pins are accessible through the main header, listed below.

Pin 110 - An Temp 3
Pin 111 - An Volt 10
Pin 112 - DI9
Pin 113 - Ign 6

The following vehicles are known to be compatible:

Make	Model	Years	Engine code
Audi	TT	99-02	AJQ
VW	Beetle	2005	AWU
VW	Passat	2000
VW	Golf	2001	AUM

The following vehicles are likely to be compatible with the ECU, but are untested:

Make	Model	Years	Engine code
Audi	A3	98-00	AJQ
	A3	99-00	APP
	A3	99-01	ARZ
	A3	00-05	ARX
	A3	00-05	ARY
	A3	00-05	AUM
	A3	00-05	AUQ
	A4	98-00	APU
	A4	00-02	AVJ
	A4	00-02	AWT
	A4	02-03	BEX
	A4	04-07	BFB
	A6	98-00	APU
	A6	00-02	AWT
	S3	98-01	APY
	S3	00-05	BAM
	S3	02-03	AMK
	TT	98-00	APX
	TT	99-00	APP
	TT	99-02	AJQ
	TT	00-02	AMU
	TT	00-05	ARX
	TT	00-05	ARY
	TT	00-05	AUM
	TT	00-05	AUQ
	TT	00-05	BAM
	TT	00-06	AWP
	TT	05-06	BFV
	TT	05-06	BVP
	TT	05-06	BVR

Seat	Alhambra	00-04	AWC
	Ibiza	99-00	AQX
	Ibiza	00-01	AYP
	Ibiza	04-08	BJX
	Ibiza	05-08	BBU
	Leon	98-00	AJQ
	Leon	99-00	APP
	Leon	00-01	AJQ
	Leon	00-05	ARY
	Leon	00-05	AUQ
	Leon	00-05	BAM
	Leon	02-03	AMK

Skoda	Octavia	99-01	ARZ
	Octavia	00-05	ARX
	Octavia	00-05	ARY
	Octavia	00-05	AUM
	Octavia	00-05	AUQ

VW	Bora	00-05	ARX
	Bora	00-05	ARY
	Bora	00-05	AUM
	Bora	00-05	AUQ
	Bora	02-06	AWP
	Golf	99-01	ARZ
	Golf	00-05	ARX
	Golf	00-05	ARY
	Golf	00-05	AUM
	Golf	00-05	AUQ
	Golf	02	AWP
	Golf	02-06	AWP
	Jetta	01-09	AWP
	New Beetle	99-00	APH
	New Beetle	99-00	AVC
	New Beetle	02-04	AWP
	Passat	98-00	APU
	Passat	00-02	AWT
	Polo	04-08	BJX
	Polo	05	AWP
	Polo	05-08	BBU
	Sharan	00-04	AWC

Vehicles with the following engine codes are known not to be compatible:

AEB, AGU, AJH, AJL

215.462.4666

sales@vacmotorsports.com

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Link Engine Management G4X ECU, Audi TTX