DISASSEMBLY
2.5 Instruction of removal FRZ sensor on BM21/25 series
1.Remove the FRZ airpassage cover;
2.Remove the rear gasket of FRZ airpassage cover,then you can see the FRZ sensor;
3.Take off the sensor from the clip;
4.FRZ sensor wire
5. Install the FRZ sensor according to the above steps.