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S40 / V40 '96-'04 General Forum for the Volvo S40 and V40 (Classic) Series from 1995-2004. |
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resetting ECUViews : 48600 Replies : 21Users Viewing This Thread : |
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Jul 3rd, 2017, 08:10 | #21 |
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Last Online: Dec 28th, 2022 12:25
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Location: Mercville
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Setting the ECU by disconnecting the battery overnight works ok.....but in the Volvo workshop they used to reset by ignition off...disconnect leads to battery then touch the leads together for a few seconds only...then is reset.
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Mercedes C320CDI Sport Estate 3 litre V6 7 Gear Auto Remap 290bhp 628Nm torque @ 1600revs 45.1mpg |
Dec 23rd, 2017, 08:12 | #22 |
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Last Online: Jan 6th, 2018 00:51
Join Date: Dec 2017
Location: Manly West
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Hold ignition on to deplete residual power
Why wouldn't you just disconnect the battery, then turn the ignition key on and hold it on for a few seconds? This effectively bridges the + & - together in the ECU without any risk (i.e. this prevents someone accidentally doing it to anything having a capacitor or heaven forbid, the battery itself?)
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