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Fuse for usb outlet

S

stephenkershaw

PCGB Member
Member
Hi all. Would anyone know the fuse number for the usb socket in the central armrest of a 997.2? The cigarette lighter has power but the usb does not charge my phone anymore with engine on or off. I have looked at the fuse diagram but it is not specific enough. Many thanks, steve
 
Don't think there is a physical fuse - its driven from the PCM as far as I know - so perhaps check the D9 and D10 fuses. The USB socket is only USB 2 rated - so 0.5A max - it will struggle to keep up with a large screen phone running navigation apps or streaming.
 
malarcy said:
Don't think there is a physical fuse - its driven from the PCM as far as I know - so perhaps check the D9 and D10 fuses. The USB socket is only USB 2 rated - so 0.5A max - it will struggle to keep up with a large screen phone running navigation apps or streaming.
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Thanks for the info. I replaced the original head unit with an Ali express one and didn’t realise it would stop the usb plugs in the central armrest working. The usb plugs in the new head unit work as a phone charger though it’s all good. Thanks again.
 
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