22
USB
USB device connected, but cannot select USB mode.
Temporary connect another device.
Is the function OK?
Is there continuity in the Vehicle’s USB
harness?
Head unit faulty.
Yes
No
Yes
No
No
USB device faulty
Vehicle USB harness faulty.
Yes
Is the USB cable connected to the
head unit properly?
USB connection for extension box is
different from USB connection for
BASE only.
No
Connect USB cable to the
head unit properly.
Yes
Содержание PT546-00140
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