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| Electronics | Audio | NAV | Infotainment Anything related to in-car electronics, navigation, and infotainment. |
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02-14-2021, 11:58 AM
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#1 |
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Senior Member
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Should the car be on or running when I hook up the obd2 scanner?
Did a search and I can’t find the answer. Any help greatly appreciated.
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02-14-2021, 12:21 PM
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#2 | |
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Senior Citizen Member
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Quote:
"CAUTION: Don’t connect or disconnect any test equipment with ignition on or engine running." |
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02-14-2021, 12:47 PM
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#3 |
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30 minute maintenance
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+1^^^
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02-14-2021, 06:38 PM
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#5 |
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So my thought is, after I disco’d the battery to reset EVERYTHING yesterday, I’ll take it out for a spin tomorrow get it up to operating temps. Then I’ll turn the car off, connect the scanner, then put it in Run with out actually cranking it. That sound right?
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02-14-2021, 06:52 PM
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#6 |
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ProCrastinationConsultant
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if you disconnect the battery to reset everything, it resets all the system monitors as well. if you're attempting to chase a service engine light, some situations, that would clear the light.
don't disconnect the battery.
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