Circuit/System Description

When the interior lamps dimming switch is activated, a variable voltage signal is applied through the instrument panel lamps dimmer switch signal circuit to the body control module (BCM). The BCM then applies a variable voltage signal through the LED backlighting dimming supply circuit to the following components:

• Clock
• Diver Information center (DIC) switch
• Headlamp Switch
• HVAC Control Head
• Rear HVAC Control
• Radio
• Rear Radio Entertainment
• Steering Wheel Control Switch