The windshield deicer switch inputs can be checked using the GDS.

To check the input value of windshield deicer switch, select option "Body Control Module".

Select option "Current Data".

To perform functional test on SJB outputs, select "Actuation Test".

Disconnect the negative (-) battery terminal.

Remove the audio unit or the AVN head unit.

(Refer to Audio - "Audio Unit")

(Refer to AVN system - "AVN Head Unit")

Remove the heater and A/C controll unit.

(Refer to Heating,Ventilation, Air Conditioning - "Heater & A/C Control Unit (Manual)")

(Refer to Heating, Ventilation, Air conditioning - "Heater & A/C Control Unit (DATC)")

Install the heater and A/C control unit.

Install the audio unit or the AVN head unit.

Connect the negative (-) battery terminal.