WARNING: This page is about a different car, the 2004 Mazda Tribute, 2003 Mazda Tribute, and 2002 Mazda Tribute. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Pinpoint Test 1: Power Take Off Unit Vibration (1 Of 2)
Courtesy of MAZDA MOTORS CORP.
Fig 2: Pinpoint Test 1: Power Take Off Unit Vibration (2 Of 2)