Hyundai Sonata: Rear Glass Defogger Switch. Repair procedures - Rear Glass Defogger - Body Electrical SystemHyundai Sonata: Rear Glass Defogger Switch. Repair procedures

Inspection

1.
The rear glass defogger switch inputs can be checked using the GDS.
2.
To check the input value of rear glass defogger switch, select option "Body Control Module".
3.
To consult the present input/output value of BCM, "Current DATA". It provides information of BCM input/output conditions of rear defogger relay.

4.
To check the input value of rear glass defogger switch in force mode, select option "Actuation Test of smart junction box".


Removal

1.
Disconnect the negative(-) battery terminal.
2.
Remove the center fascia panel (A) after loosening the mounting screws.

3.
Disconnect the heater control unit connector (A) and hose (B).

4.
Remove the heater control unit contained the rear glass defogger switch from the center fascia panel.

Installation

1.
Install the heater control unit.
2.
Install the center fascia panel.
3.
Install the crash pad garnish.

    Rear Glass Defogger Printed Heater. Repair procedures
    Inspection Wrap tin foil around the end of the voltmeter test lead to prevent damaging the heater line. Apply finger pressure ...

    See also:

    Seat Heater. Repair procedures
    Inspection First Seat Heater 1. Check for continuity and measure the resistance between terminals. [Cushion] [Back] ...

    Repair procedures
    Inspection Lighting Switch Inspection With the multifunction switch in each position, make sure that continuity exists between the terminals below. If continuity is not as specified, replac ...

    Positive Crankcase Ventilation (PCV) Valve. Repair procedures
    Removal 1. Disconnect the vapor hose (A). 2. Remove the PCV valve (B). Inspection 1. Insert a thin ...