LG LMVM2277ST Product Training Manual page 105

Ventilation Fan Motor
Unplug the connector and read the resistance between the
various terminals using meter scale Rx1.
NORMAL:
TURBO
HIGH
MEDIUM
LOW
DEFECTIVE: Infinity
LMVM2277ST
Blue & Black 4 ~ 20 Ω
Blue & White 19 ~ 35 Ω
Blue & Gray 26 ~ 42 Ω
Blue & Brown 34 ~ 50 Ω
105
T-31