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Old 08 June 2006, 09:09 PM
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greatwhite
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Default ECU RESET 03

Is it possible to reset the ECU on 03 Impreza's as you can on older models?
Old 08 June 2006, 09:47 PM
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Ninnybobs
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No

You need a SECS Unit or similar to reset the ECU
Old 08 June 2006, 10:04 PM
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greatwhite
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Originally Posted by Ninnybobs
No

You need a SECS Unit or similar to reset the ECU
what about disconecting the battery?
Old 08 June 2006, 10:27 PM
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Trap2Terrorist
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unlikely, it'll be stored on an eeprom (or something similar) that doesn't need power to retain its data.

edit: response to battery question.
Old 08 June 2006, 10:29 PM
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Neilo
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disconnect the battery for a while, then run the car to 1 bar and hold it through most of the rev range (where possible) to learn it...(thats how i was told to do it)
Old 09 June 2006, 01:43 PM
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Midlife......
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As Ninnybobs mentioned disconnecting the battery will not "reset" the ECU as maps / faults are on EPROM.

Disconnecting the battery will remove any "learning" the ECU has done and it will learn again from scratch.

Midlife.....
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