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Hyundai Equus: Rear Glass Defogger Switch Repair procedures - Rear Window Defogger - Body Electrical System - Hyundai Equus VI 2009-2026 Service ManualHyundai Equus: Rear Glass Defogger Switch Repair procedures

Second generation VI (2009–2026) / Hyundai Equus VI 2009-2026 Service Manual / Body Electrical System / Rear Window Defogger / Rear Glass Defogger Switch Repair procedures

Removal
1.
Disconnect the negative (-) battery terminal.
2.
Using a screwdriver or plastic panel remover, remove the cluster fascia upper panel (A).

3.
Using a screwdriver or plastic panel remover, remove the center fascia upper panel (A).

4.
Disconnect the heater control unit connector (A), clock and SSB connector (B).

5.
After loosening the screws, remove the heater control unit (A) from the center fascia upper panel.

Installation
1.
Install the heater control unit to the center fascia upper panel.
2.
Install the center fascia upper panel.
3.
Install the cluster fascia upper panel.
Inspection
1.
The rear window defogger switch inputs can be checked using the GDS.
2.
To check the input value of rear window defogger switch, select option "IPM".
3.
Select option "Input/output monitoring".

4.
To check the input value of rear window defogger switch in force mode, select option "ACTUATION TEST".

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