Komatsu PC88MR-10 Shop Manual page 383

If the compensation value is not correctly
written, an engine trouble can result.
Compensation value information provided
on the back of engine controller
a: String of characters
b: QR code
Section H: "New Barcode" column
4) Execute writing to the engine controller.
After entering the injector data, select "Apply".
I: Entry of data of the target injector.
Examples)
Enter data of No.1 cylinder injector
corresponding to "Cylinder1".
Section J: Select "Apply."
5) After writing data, turn the starting switch to
OFF position and select "OK".
Section K: Select "OK."
PC88MR-10
30 Testing and adjusting
Engine and cooling system
Screen while data processing is
continued (wait for 30 seconds)
6) After data processing is over, turn the
starting switch to ON position and select
"OK".
Section L: Select "OK."
7) Screen that indicates data writing is over.
Select "OK".
Section M: Select "OK."
30-33