Plug-In ECU Installation Manual 9
© 2024 Link Engine Management Ltd
ANTI-STATIC HANDLING GUIDELINES
Your body builds up an electrical charge as you move around. This charge can reach very high
voltages. Whenever given the opportunity this energy will attempt to discharge (usually through
your finger tips!). This can be fatal to most electronic components. Most people have
experienced an electrostatic discharge when they step out of their car or touch a metal bench
top.
The following guidelines describe precautions that can be taken to reduce the possibility of
damaging your ECU:
1. Work only on a conductive surface. A clean steel bench is suitable.
2. Always wear a wrist strap that is electrically connected to the conductive
working surface. An Anti-static wrist strap is included for use during install
3. Touch the working surface regularly.
4. Do NOT touch components on the circuit board.
5. Where possible, only handle the ECU by its plastic header.
6. Do NOT carry the ECU around without anti-static packaging.
7. Do NOT touch the bare terminals in the ECU header.
Observing the above procedures will minimise the chance of damaging the ECU. Note that
failure due to static damage often does not appear until well after it was caused.
1.3.2
Fitting the ECU
Information is provided to assist in fitting the ECU into the vehicle.
1.3.2.1 WRXLink (11)
The following steps outline the installation procedure for Subaru Plug-In ECUs:
1. Remove the factory ECU from the vehicle: Ensure the key is in the OFF position.
In 2007-2014 models the factory ECU is located under a steel cover on the passenger’s side floor
(below the passengers feet). Lift the carpet, remove the cover panel.
In 2015+ models the ECU is located behind the glovebox, it is easier to access by removing the
glovebox and lower trim panel.
Unplug the wiring harness from the factory ECU. Remove the 6mm bolts (10mm socket) that retain the
ECU and remove the ECU from the vehicle. DO NOT touch the exposed pins in the factory ECU
connector.
2. Remove the factory ECUs circuit board from its enclosure: Ensure you are following the given anti-static
guidelines and ARE WEARING A CONDUCTIVE WRIST STRAP connected to a conductive working
surface. Remove the top and cover from the ECU enclosure by removing the side retaining screws.
Remove the circuit board by removing the retaining screws. Hold it only by the plastic header and place
it aside.
3. Cut a rectangular hole in the back wall of the ECU case as per the picture below to allow the USB cable
to pass through. Suggest also adding two small holes in the back wall to allow a cable tie to strain
relieve the USB cable
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