Accessory (ACC) Relay
WARNING: This page is about a different car, the 2005 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
The adaptive cruise control (ACC) relay is energized when the Run or accessory power mode has been selected. The relay uses a Hot At All Times B+ power source derived from the underhood electrical center. The ACC relay is also energized by the BCM to supply power during the retained accessory power (RAP) mode. The following devices are controlled by this relay:
- Inside rearview mirror
- Heated seats
- Power windows
- Sunroof
- Wiper washers switch