Noise Occurs At Idle When Vehicle Is Stopped In "D", "3", Or "2" Ranges, Or In "R" Position
WARNING: This page is about a different car, the 2002 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.
Possible cause: gearshift lever position disparity or TR switch position disparity. Also see NOISE AT IDLE WHEN VEHICLE IS STOPPED .