Idle drops on and off when AC is on!

[KILRCAM]

WHAT UP GUYS! Haven't been around in a while but have an issue to look into. I have an 03 LE with 61,000 miles now. The car runs fine but notice when I have the ac on at a light, the idle sometimes drops and gets rough. I just changed the battery and the serpentine belt was also changed about 2 months ago.

Wanted to know if you guys can give me a list of things to check so I can try tpo hit it the next time I have alone time with my baby . Thanks in advance.

[MrSo0h0o]

how low does it go? maybe check that your alt/battery is running ok. when the a/c is on it draws power.. also do u see your headlights dim too? this could be a sign as well of a going-bad charging system

[danorthface]

this is normal when you changed your battery. Give it some time for your car to relearn idling

[KILRCAM]

Well, the car relearned the idle a few hours after changing the battery and the charging system checked out OK. Oh, and the lighs don't dim out.