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18-04-2017, 12:56 PM
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FF.Com.Au Hardcore
Join Date: Mar 2013
Posts: 805
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Smart charge failure 160000 km?
Seeing a small acid leak from the battery vent I plugged a DVM into the cigar lighter. Voltage remains more or less constant somewhere between 14.4 and 15.2, depending on temp (lower as temp goes up), and up and down slightly as engine revs go up and down. Smart charge is meant to do the opposite, up to about 15v downhill and down to about 12.5 when accelerating, as I have verified on my other car. I read somewhere the alternator defaults to a fixed charge voltage when smart charge fails. I'm getting overcharge though. Possibles causes are alternator, wiring or PCM. Alternator about $800. Pays to check the battery compartment as there may be no indication to the driver via dash lights. Last edited by rondeo; 18-04-2017 at 12:58 PM. Reason: correction |
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Smart Regenerative Charging
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