Mazda 6 Service Manual: No.23 a/c does not work sufficiently

No.22 vibration concerns (engine)

No.24 a/c is always on or a/c compressor runs continuously

Other materials:

Mazda 6 Service Manual: Intermittent concern troubleshooting
  Vibration Method 1. If malfunction occurs or becomes worse while driving on a rough road or when engine is vibrating, perform the steps below. Note There are several reasons vehicle or engine vibration could cause an electrical malfunction. Some of the things to check for are: ...

Mazda 6 Service Manual: Windshield Wipers
Turn the wipers on by pressing the lever up or down. With intermittent wiper Variable-speed intermittent wipers Set the lever to the intermittent position and choose the interval timing by rotating the ring. With auto-wiper control Auto-wiper control When the wiper lever is in the ...