mrv@kluge.net wrote:
> NeoPhyte_Rep wrote:
>> mrv@kluge.net wrote:
>>> NeoPhyte_Rep wrote:
>>> It's a learned ISC.
>> Please expand the acronym ISC.
>
> Found it. ISC = idle speed control.
>
> It was stuck in my head from reading the TSBs for the Highlander
> Hybrid:
>
http://www.alldata.com/tsb/Toyota/1141027200000_1141718400000_EG026R-05/index.html
>
http://www.alldata.com/tsb/Toyota/1155711600000_1156489200000_EG050-06/index.html
> where if the 12v battery is disconnected or drops below 7 volts, there
> is a procedure to reinitialize the idle speed control.
>
> to quote those TSBs:
> "If this procedure is NOT performed, the following customer complaints
> may occur:
> Engine runs too long or more frequently than normal
> Reduced fuel economy
> Transmission gear "clatter" noise at idle is more pronounced"
>
Thanks.
I'll see what the service manager has to say about this information. I
saw no indication that the battery had been disconnected, but you never
know.
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>> mrv@kluge.net wrote:
>>> NeoPhyte_Rep wrote:
>>> It's a learned ISC.
>> Please expand the acronym ISC.
>
> Found it. ISC = idle speed control.
>
> It was stuck in my head from reading the TSBs for the Highlander
> Hybrid:
>