The rear glass defogger switch inputs can be checked using the GDS.
To check the input value of rear glass defogger switch, select option "Body Control Module".
To consult the present input/output value of BCM, "Current DATA". It provides information of BCM input/output conditions of smart junction box.
To check the input value of rear glass defogger switch in force mode, select option "Actuation Test of smart junction box".
Disconnect the negative(-) battery terminal.
Remove the crash pad garnish(A).
Remove the audio cover(A).
Remove the audio assembly(A).
Remove the heater and air conditioner controller(A) with 4 screws.
Install the heater and air conditioner controller to the center fascia panel.
Install the audio assembly and audio cover.
Install the crash pad garnish.