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Haldex Controller for MK4 R32 and MK1 Audi TT (Gen1 Haldex)
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The haldex AWD system on your car is a system that is not engaged full time. This plug and play controller allows your to customize your 1st generation haldex system to perform how you want it to. This controller is perfect for Street, Track, or Daily Driving. With a variety of modes you can tweek the engagment of the sytems to have full lock up or Map based lock up for a variety of signals. This controller will also allow you to turn off haldex to do a burnout (to heat up your tires) at the drag strip, then go to full 50/50 Haldex lock for your optimal launch.
Optional Haldex Modes
Stock mode
Lock Haldex at 100/0 to 50/50
Map based on Throttle signal
Map based on Speed signal
Map based on Boost signal
Map based on Throttle and Speed signal
Haldex Off (for Dyno, Burnouts or Fuel Economy)
Lock Mode
The Haldex power is set by a fixed value that the user sets with the App
Can be adjusted in increments of 10% (Front/Rear)
100 / 0
90 / 10
80 / 20
70 / 30
60 / 40
50 / 50
100 / 0 is 0% to the haldex unit but the pre charge pump is still active for Gen1 Haldex Systems
Throttle Mode
The Haldex power is set by the configured value at a specific throttle position.
Throttle position in increments of 10% (Front/Rear)
0 – 10% 50 / 50
10 – 20% 60 / 40
20 – 30% 50 / 40
Vehicle Speed Mode
The Haldex power is set by the configured value at a certain velocity.
Speed in increments of 20 km/h
0 – 20 km/h 50 / 50
20 – 40 km/h 60 / 40
40 – 60 km/h 50 / 40
Boost Pressure Mode
The Haldex power is set by the configured value at a certain boost pressure.
Boost in steps of 100 mBar (1.45psi)
0 – 100 mBar 50 / 50
20 – 40 mBar 60 / 40
40 – 60 mBar 50 / 40
Passthru Mode
All signals from the car are passed thru to the Haldex so it will function like original.
The display will shows the current Haldex power.
Associated Parts
Manual Switch for Programable Quick Model Selection (to be Wired)
Download the Free App
iTunes - HERE
Google Play - HERE
On first start of the App it will search for Bluetooth devices.
Select the Haldex Controller this device will be saved and used on the next startup.
Connect with pincode 1234.
Related Info
How Haldex All Wheel Drive Works - VIDEO
The History of Haldex All Wheel Drive - VIDEO
How to do a Gen 5 Haldex Service - VIDEO
Haldex Controller Manual - Manual
