Lenovo S660 Service Manual page 18

BB-6 sensor function fail (感測器不良) (2/2)
G-sensor I2C通過上拉電阻連接到CPU，此I2C與touch panel共用，
VDD18_PMU異常會造成所有sensor fail。
G-sensor I2C connect to CPU with Pull-up resistor, which share
with touch panel, VDD18_PMU error will lead to all sensors
failure.
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