Will spark plug change cause ECU reset ??
14 March 2012, 09:18 PM
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Will spark plug change cause ECU reset ??
Im going to change my spark plugs soon on my Bugeye turbo. When i disconnect the battery for access, will my ECU perform a reset on battery reconnection ? Is there a procedure to follow ?
14 March 2012, 11:25 PM
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If it was a classic it would reset and have to "re-learn" but as its a newage you have to physically connect to it via a cable to do a reset - disconnecting the battery won't do the trick
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14 March 2012, 11:49 PM
#9
The DENSO ECU will not hard-reset disconnecting the battery as faults etc are stored in EPROM. Resetting the ECU requires plugging an appropriate device into the OBD II port under the wheel.
The ECU will lose it's learnt settings however and will revert to initial IAM but sorts itself out after a few miles of driving..
Shaun
The ECU will lose it's learnt settings however and will revert to initial IAM but sorts itself out after a few miles of driving..
Shaun
15 March 2012, 01:39 PM
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Quite right John, 5 minute job and we never take the battery out !
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