RX - 4th Gen (2016-2022) Discussion topics related to the 2016 and up RX350 and RX450h models

Rx350 Center Console Dual USB Fuse Location

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Old 09-09-21, 09:49 PM
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socaligs
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Default Rx350 Center Console Dual USB Fuse Location

Can anyone tell me the fuse location for center console dual usb? Thank you.
Old 09-09-21, 10:29 PM
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If your not getting any power to the USB ports. You might want to look at cleaning them.

All of the Lexus vehicles I’ve owed. I’ve had to clean them periodically. Some compressed air and electrical cleaner. Then clean with a small brush.
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Old 09-10-21, 01:00 AM
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thank you. I will try this later today.
Old 09-16-21, 09:20 PM
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tried cleaning them but I still have the same issue. can anyone tell me the location of the fuse for the USB? Thank you
Old 09-18-21, 10:59 AM
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Originally Posted by socaligs
tried cleaning them but I still have the same issue. can anyone tell me the location of the fuse for the USB? Thank you
Per the owner's manual, you can take the cover off under the driver side footwell. The cover will show exactly where each fuse is located.

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Old 09-19-21, 07:27 AM
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Maybe it is just me, but I have a hard time deciphering the fuse box lids for what is what. I removed mine to tap for a dash cam and took a look at it yesterday and have no idea what half of the slots are for.....I tried to figure out answer for OP.

Somewhat surprised that the fuse box slot assignments are not just posted (in an easy to understand way) in the owners manual. Most other cars or at least the one's that I have owned have had this. Google search turns up almost nothing. I may take a look on TIS next time I go on to see if it is in there.
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Old 09-19-21, 11:35 AM
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Originally Posted by Quantum501
Maybe it is just me, but I have a hard time deciphering the fuse box lids for what is what. I removed mine to tap for a dash cam and took a look at it yesterday and have no idea what half of the slots are for.....I tried to figure out answer for OP.

Somewhat surprised that the fuse box slot assignments are not just posted (in an easy to understand way) in the owners manual. Most other cars or at least the one's that I have owned have had this. Google search turns up almost nothing. I may take a look on TIS next time I go on to see if it is in there.
Would you mind sharing a picture of the fuse lid? I'll be glad to provide input on their meaning.
Old 09-19-21, 01:12 PM
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Old 09-19-21, 03:08 PM
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Obviously it is not in the cabin box. Look in the engine compartment, where there are 2 boxes. Most of the labels are pretty clear.
Old 09-19-21, 06:54 PM
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Originally Posted by Quantum501
Maybe it is just me, but I have a hard time deciphering the fuse box lids for what is what. I removed mine to tap for a dash cam and took a look at it yesterday and have no idea what half of the slots are for.....I tried to figure out answer for OP.

Somewhat surprised that the fuse box slot assignments are not just posted (in an easy to understand way) in the owners manual. Most other cars or at least the one's that I have owned have had this. Google search turns up almost nothing. I may take a look on TIS next time I go on to see if it is in there.
If you still need some dashcam power guidance, I'll look at mine tomorrow. I installed mine a couple of months ago. No issues, including parking mode that works as expected. I don't remember to fuse slots I used, though.....
Old 09-20-21, 01:04 PM
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Originally Posted by bamalam
If you still need some dashcam power guidance, I'll look at mine tomorrow. I installed mine a couple of months ago. No issues, including parking mode that works as expected. I don't remember to fuse slots I used, though.....
thanks but I install one last year....found a thread with the exact same camera/car so the work was easy.
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Old 06-15-23, 01:59 PM
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So anyone figured this out where the fuse location is for 2017? My two USBs are not working anymore. Thanks!
Old 06-15-23, 05:31 PM
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Originally Posted by Cal07RX350
So anyone figured this out where the fuse location is for 2017? My two USBs are not working anymore. Thanks!
You might want to check the 2 power outlet fuses because the usb port circuit may be sharing the same. There is one in the interior fuse box labeled "P/OUTLET No.1" 15 amps and there is one in the box under the hood labeled "P/OUTLET" 15 amps. Check the one in the engine fuse box first because it is easier to get to. It is not unusual for one fuse to be protecting more than one circuit.
Old 06-15-23, 05:47 PM
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Originally Posted by jcg0324
You might want to check the 2 power outlet fuses because the usb port circuit may be sharing the same. There is one in the interior fuse box labeled "P/OUTLET No.1" 15 amps and there is one in the box under the hood labeled "P/OUTLET" 15 amps. Check the one in the engine fuse box first because it is easier to get to. It is not unusual for one fuse to be protecting more than one circuit.
Actually my power outlets all work so they much be a different circuit for USB. I searched web but couldn’t find fuse diagram for USB.
Old 07-01-23, 01:30 PM
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Originally Posted by socaligs
Can anyone tell me the fuse location for center console dual usb? Thank you.
Earlier I suggested that the fuse for the USB ports might be using the power outlet fuse but this turned out to be incorrect. In fact, the USB connectors for my 2017 RX are using a fuse labeled AM2 rated at 7.5 amp. It is located in the interior box under the dash on the drivers side. Look at the picture on post #8 and it will be the 5th fuse down on the right hand column. This fuse will likely be protecting other low current circuits as well.

Last edited by jcg0324; 07-01-23 at 02:14 PM.
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