When the ignition switch is turned to the ON position, the AWD indicator will illuminate and then go off in a few seconds.
If the AWD system warning light illuminates, this indicates that there is a malfunction in the AWD system.
If this occurs, have your vehicle checked by an authorized HYUNDAI dealer as soon as possible.
Hyundai Tucson (LM) 2010-2015 Service Manual: Starter Description and Operation
Description
The starting system includes the battery, starter, solenoid
switch, ignition switch, inhibitor switch (A/T), clutch pedal switch
(M/T), ignition lock switch, connection wires and the battery cable.
When the ignition key is turned to the start position, current flows and energizes ...
Hyundai Tucson (LM) 2010-2015 Service Manual: Flow Diagram
Power Flow Chart
P,NUD/BLR/B26/B35R/COD/COWCx
x Direction of Rotation
xLower & Reverse Brake (LR/B) Activation > Overdrive (O/D) Hub Lock > Mid & Rear P/C Lock
xInput Shaft Rotation > Rear Sun Gear Rotation > Rear
Inner Pinion Rotation (Reverse) > Rear Outer Pinion Rotation > R ...