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: Ambient Temperature Sensor Description and Operation

    Description The ambient temperature sensor is located inside the side mirror and detects ambient air temperature. It is a negative type thermistor; resistance will increase with lower temperature, and decrease with higher temperature. The sensor output will be used for discharge temperature control, temperature regulation door control,

    Hyundai Genesis (DH) 2013-2016 Service Manual: CO2 Sensor Description and Operation

    Description This system maintains the density of carbon dioxide constantly in vehicle interior by measuring the amount of carbon dioxide to increase the comfortableness and the fuel consumption rate when air conditioning system is operating.

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