Middle two (with the covers down) stopped functioning. The lighter port and other usb work. I’ve been unable to figure out which fuse might supply these two ports. I am, of course, assuming it’s a fuse. Can anyone point me in the right direction?
Yokeb
‘21 Highlander Hybrid USB fuse location
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Middle two (with the covers down) stopped functioning. The lighter port and other usb work. I’ve been unable to figure out which fuse might supply these two ports. I am, of course, assuming it’s a fuse. Can anyone point me in the right direction?
Attachments
I am looking at the wiring diagram, searching for US:
![Image]()
There seems to be 2 fuses in the «engine room».
![Image]()
Here is some grounding of components related to USB:
![Image]()
Those are T4 and H32.
Looking at the location of those socket, I see that the front one is the H32, T4 is for the back seat row USB port. Here is the schematic to deliver the power:
![Image]()
So it should be fuse no1 followed by relay for no1.
Good luck. Keep us posted of your results.
jf
There seems to be 2 fuses in the «engine room».
Here is some grounding of components related to USB:
Those are T4 and H32.
Looking at the location of those socket, I see that the front one is the H32, T4 is for the back seat row USB port. Here is the schematic to deliver the power:
So it should be fuse no1 followed by relay for no1.
Good luck. Keep us posted of your results.
jf
I got the wiring diagram by paying about 20$ US at techinfo.toyota.com to get access to all information for 48 hours. I downloaded the 2020 version of the wiring diagram (since I downloaded it in 2020... 2021 did not exist at that time!) It is somewhat time intensive operation, so I downloaded mostly the Hybrid version, even if a lot of sections apply to both hybrid and non-hybrid.
I also downloaded a few sections of the factory service manual that I know I will need (like changing brakes) but downloading all the section would have taken me more time than it's worth, so I figured I'll pay another 20$ if I ever need to download other parts.
This being said, write to me in private.
jf
I also downloaded a few sections of the factory service manual that I know I will need (like changing brakes) but downloading all the section would have taken me more time than it's worth, so I figured I'll pay another 20$ if I ever need to download other parts.
This being said, write to me in private.
jf
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