Hyundai Genesis (DH): Rear Glass Defogger / Rear Glass Defogger Switch Repair procedures

Hyundai Genesis (DH) 2013-2016 Service Manual / Body Electrical System / Rear Glass Defogger / Rear Glass Defogger Switch Repair procedures

Inspection
1.
In the body electrical system, failure can be quickly diagnosed by using the vehicle diagnostic system (GDS).
(1)
Self diagnosis : Checking failure and code number (DTC)
(2)
Current data : Checking the system input/output data state
(3)
Actuation test : Checking the system operation condition
(4)
Additional function : Controlling other features including system option setting and zero point adjustment
2.
Select the 'Car model' and the system to be checked in order to check the vehicle with the tester.
3.
Select the 'Smart Junction Block(SJB)' to check the windshield deicer.
4.
Select the "Current date" menu to search the current state of the input/output data.
The input/output data for the sensors corresponding to the 'Smart Junction Block(SJB)' can be checked.

5.
Select "Actuation test", if you want to check the Smart Junction Block(SJB) data operation forcefully.

Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the heater and A/C control unit.
(Refer to Heating, Ventilation, Air conditioning - "Heater & A/C Control Unit (Dual)")
Installation
1.
Install the heater and A/C control unit.
2.
Connect the negative (-) battery terminal.

    Inspection     Wrap tin foil around the end of the voltmeter test lead to prevent damaging the heater line. Apply pressure on the tin foil with hand and move the tin foil along the grid line to check for open circuits.

    Other information:

    Hyundai Genesis (DH) 2013-2016 Service Manual: Description and Operation

    Description System Overview The System offers the following features: - Changing the state of engine ignition and power by using the start button. - Controlling external relays for ACC / IGN1 / IGN2 terminal switching and STARTER, without use of mechanical ignition switch.

    Hyundai Genesis (DH) 2013-2016 Service Manual: Photo Sensor Repair procedures

    Inspection 1. Turn the ignition switch ON. 2. Connect the GDS. 3. Emit intensive light toward the photo sensor using a lamp, and check the output voltage change. 4. The voltage will rise with higher intensive light and fall with lower intensive light.

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