Kia Optima DL3: 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 (KDS). The diagnostic system (KDS) provides the following information.
|
| 2. |
Select the 'Car model' and the 'IBU-BCM' to be checked in order to check the vehicle with the tester. |
| 3. |
Select the 'Current Data' menu to search the current state of the input/output data. |
| 4. |
To force actuate the input value of the module to be checked, select option 'Actuation Test' |
| Removal |
| 1. |
Disconnect the negative battery terminal. |
| 2. |
Remove the heater and A/C control unit. (Refer to Heating, Ventilation, Air conditioning -"Heater & Control Unit (Manual)") (Refer to Heating, Ventilation and Air Conditioning - "Heater & A/C Control Unit (DATC)") (Refer to Heating, Ventilation and Air Conditioning - "Heater Control Unit") |
| Installation |
| 1. |
Install in the reverse order of removal. |
Repair procedures Inspection • Wrap tin foil around the end of the voltmeter test lead to prevent damaging the heater line.
Other information:
Kia Optima DL3 2019-2026 Service and Repair Manual: Ventilated and Heated Seat
Schematic diagrams Connector and Terminal Function Pin Function Connector A Connector B 1 Driver heater ground (-) Driver blower speed (+) 2 Passenger heater ground (-) - 3
Kia Optima DL3 2019-2026 Service and Repair Manual: Ambient Temperature Sensor
Description and operation Description The ambient temperature sensor is located at the front of the condenser and detects ambient air temperature. It is a negative type thermistor; resistance will increase with lower temperature, and decrease with higher temperature.
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