Socketing/Chipping: USDM

MODS:

Inputs Full Scale
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Parts Needed:
28pin dip socket
74hc373 DIP 20

5 pin header

Start by removing both lids from the ECU.
All screws are Philips head.
There is one either side in each corner as well as a 5th in the middle.




Now find the section that looks as imaged below.



Suck all the holes out using a solder sucker.
Using a flux pen and desoldering wick also helps do a tidy job.



Solder in the latch chip, datalogging pin header and socket.
Match up the half moon with the outline on the PCB.

Next install a bit of jumper wire into J1


If your board has a R54 below J1 fit a 1.2K resistor into this spot.