Motorola Moto X Pure Edition Troubleshooting Manuals page 16

IR Proximity Sensor – Ambient Light Sensor
IR Proximity & Ambient Light Sensor circuit is located on a mainboard. In the event of
IR proximity or ambient light sensor issue at phone level:
• Visually check under a microscope if the grommet is placed on the sensor correctly (whether the
grommet blocks the lens opening)
MOTOROLA CONFIDENTIAL
Moto X Pure Edition/Moto X Style
Baseband TROUBLESHOOTING GUIDES