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" of "smart junction box".

To check the input value of windshield deicer switch in force mode, select option "Actuation Test" of "smart junction box".

Disconnect the negative (-) battery terminal.

Remove the heater and A/C controller after loosening screws.

(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 controller to the center fascia panel.

Connect the negative (-) battery terminal.