TTLink TTX

Description

The TTX fits in the factory location and replaces the OEM ECU of VAG PQ34 1.8 turbo engines with electronic throttle, with no alteration to the wiring loom.

G4X Plug-In ECUs replace the factory ECU and fit inside the original enclosure, with no alteration to the vehicle wiring loom. All the features of a Link G4X wire-in ECU, with a direct-fit installation.

Important notes

• Manual transmission only.
• Onboard 4 bar or 7 bar MAP sensor.
• Most factory features are supported.
• Not compatible with CANJST cables: use CANLTW (PN 101-0211) or CANF (PN 101-0020) for the CAN connection.

Compatible applications

• Requirements: 1.8T engine, factory ECU with two connectors (121 pins total), drive-by-wire, manual transmission, FWD or 4WD (Haldex)
• Known compatible: Audi TT 1999–2002 (AJQ), VW New Beetle 2005 (AWU), VW Passat 2000, VW Golf 2001 (AUM)
• Likely compatible but untested: Audi A3, A4, A6, S3 and TT (1998–2006); Seat Alhambra, Ibiza and Leon; Skoda Octavia; VW Bora, Golf, Jetta, New Beetle, Passat, Polo and Sharan with the 1.8T engine. Full engine code list on request
• Not compatible: engine codes AEB, AGU, AJH, AJL

G4X 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 control with windowing

I/O expansion

Inputs and outputs available on the expansion connectors, as per Link documentation.

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