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Old 24-09-2015, 04:47 AM
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With car off, connect the two black plugs together (located under/behind steering wheel column), switch ignition to ON, count the flashing CHECK ENGINE light flashes. Long flashes are 10's and quick flashes are 1's ...

So: Flaaaaash Flaaaaaash flash flash flash flash is 24

Here is a how-to with pictures with thanks to Rossco

http://www.perth-wrx.com/vb/stock-ec...unit-only.html
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