Kia Optima Hybrid: Rear Glass Defogger / Rear Glass Defogger Switch Repair procedures

Kia Optima Hybrid (TF HEV) 2016-2020 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 "Body Control Module".

3.	To consult the present input/output value of BCM, "Current DATA". It provides information of BCM input/output conditions of smart junction box.

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 heater and A/C control unit. (Refer to Heating, Ventilation, Air Condition - "Heater & A/C Control Untit (Manual)) (Refer to Heating, Ventilation, Air Condition - "Heater & A/C Control Untit (DATC))

Installation

1.	Install the heater and A/C control unit.

2.	Connect the negative (-) battery terminal.

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