Kia Cadenza YG: Rear Glass Defogger / Rear Glass Defogger Switch Repair procedures

Kia Cadenza YG 2016-2021 Service Manual / Body Electrical System / Rear Glass Defogger / 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 "IPM".
3.
To consult the present input/output value of IPM, "Current DATA". It provides information of IPM 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".

Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the center fascia panel.
(Refer to Body - "Crash Pad")
3.
Remove the heater control unit (A) after removing screws (4EA).

Installation
1.
Install the heater control unit.
2.
Install the center fascia panel.

    Inspection     Wrap tin foil around the end of the voltmeter test lead to prevent damaging the heater line. Apply finger pressure on the tin foil, moving the tin foil along the grid line to check for open circuits.

    Other information:

    Kia Cadenza YG 2016-2021 Service Manual: Specifications

    Specification ItemSpecificationUltrasonic sensorVoltage ratingDC 12 VDetecting range30 cm ~ 120 cmOperation voltageDC 9 ~ 16 VOperation currentMAX 300 mAOperation temperature-30°C ~ +80°C (-22°C ~ +176°C)Operation frequency48 ± 5 KHzEffective operating velocity10 KPH (6.

    Kia Cadenza YG 2016-2021 Service Manual: Auto defoging sensor Repair procedures

    Inspection 1. Press the OFF switch more then 4 times within 2 seconds while pressing the MODE switch. DisplayFail description00Normal23Auto defog sensor OPEN24Auto defog sensor SHORT43Defog door potentiometer OPEN/SHORT44Defog door potentiometer * Diagnostic procedure refer to DTC code.

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