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 control unit.

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

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

Install the heater and A/C control unit.

Connect the negative (-) battery terminal.