Motorola Moto X Pure Edition Troubleshooting Manuals page 17

IR Sensor
There are 1 receiver sensor and 3 IR LEDs for operating IR sensor.
IR receiver sensor and 3 LED circuits are located on a mainboard. In the event of IR
sensor issue at phone level:
• Visually check under a microscope if the grommet is placed on the sensor correctly (whether
any of the grommets block the lens openings)
MOTOROLA CONFIDENTIAL
Moto X Pure Edition/Moto X Style
Baseband TROUBLESHOOTING GUIDES