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WinOLS Mastery: Map Identification & Editing: Step 5: Write File to ECU

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Step 5: Write File to ECU

01.00

00:00 - Once we've made our tuning changes, we're going to need to write the new file to the ECU so that we can assess the effect of these changes.
00:06 This is really just a reversal of the process we used to initially read the file from the ECU.
00:11 To start with, we're going to need to export the file from OLS in the correct format for the tool that we'll be using the perform the write.
00:18 Once we've done this, we can simply load the file into the software for our flash tool and perform the write process.
00:24 Generally if your ECU can be written to via OBD2 then this is the process that we'll be using.
00:30 Even if you've completed a bench read as recommended, once you've done this and have a full read of the ECU, we can then work via OBD2 for subsequent writes.
00:39 We only would need to revert to a bench flash if we were trying to recover the ECU.
00:44 There will be subtle differences in the writing process depending on the specific tool you're using but the general principles remain the same.
00:52 As usual, you can check the practical skills section of the course for further information.

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