October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

USB Power Outlet Inspection

Switch the ignition ON (engine off).
Measure the voltage between the USB port power supply and GND.

Courtesy of MACK TRUCKS, INC.

If the voltage is from 4. 75 V to 5. 25 V:
- The USB power outlet is normal.
If the voltage is less than 4. 75 V or higher than 5. 25 V:
- Replace the USB power outlet. (See USB POWER OUTLET REMOVAL/INSTALLATION .)