Asus ZB551KL Training & Trouble Shouting Manual page 38

Connect OTG SLAVE Device, PM_USB_ID
Can't Hi->Low
- Check J1000.4
TP1007 with out 5V output
- Check C1011, R1013, C1001, D1000 short
to GND ?
- Check U0501 appearance and X-ray，Try
to re-heat or replace a new device
OTG Can't Work (1)