1. Disconnect the negative battery cable..
2. Remove the rear combination light..
3. Remove the rear bumper..
4. Disconnect the connector.

5. Remove the nuts.
6. Remove the BSM control module.
7. Install in the reverse order of removal.
8. Perform the BSM radar test..
CAUTION:
If the BSM control module is replaced, not performing the BSM radar test will cause a deviation in the radar emission angle which could result in the system not detecting a vehicle approaching from the rear correctly. If the BSM control module is replaced, perform the BSM radar test.
Blind Spot Monitoring (Bsm) Control Module Inspection
Blind Spot Monitoring (Bsm) Off Indicator LightPositive Crankcase Ventilation (PCV) Valve
Purpose, Function
Prevents release of blow-by gas (unburnt gas) into the atmosphere.
The PCV valve is open/closed by the intake manifold vacuum.
Construction
The PCV valve is installed to the oil separator.
The PCV valve consists of a spring and valve.
...
Differential Oil Temperature Sensor
Purpose, Function
The differential oil temperature sensor detects the rear differential oil
temperature based on the resistance of the thermistor, and inputs it to the
AWD CM.
Construction
The differential oil temperature sensor is installed in the rear differential
carr ...
Awd Control Module
Purpose, Function
The AWD CM calculates the optimal amount of torque distribution for the rear
wheels and outputs a corresponding electric current to the electronic control
coupling (AWD solenoid). This calculation is based on the accelerator pedal
angle, four-wheel speed, engine spe ...