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:

    Audio Unit. Repair procedures
    Removal • Take care not to scratch the center fascia panel and related parts. ...

    Troubleshooting
    Troubleshooting Trouble Symptom Probable cause Remedy Vehicle pulls to one side Scoring of driveshaft ball joint Replace ...

    SRS components and functions
    The SRS consists of the following components: 1. Driver's front air bag module 2. Passenger's front air bag module 3. Side impact air bag modules 4. Curtain air bag modules 5. Retractor ...