Mazda 6 Service Manual: No.20 noise occurs at idle when vehicle is stopped in all positions/ranges

No.19 excessive shift shock on torque converter clutch (tcc)

No.21 noise occurs at idle when vehicle is stopped in d, s, l ranges, or in r position

Other materials:

Mazda 6 Service Manual: Refrigerant pressure switch inspection
1. Install the SST (gas charging set). 2. Disconnect the refrigerant pressure switch connector. 3. Verify the high-pressure side reading of the SST (manifold gauge) and continuity between the terminals of the refrigerant pressure switch. If not as specified, replace the refrigerant pressure ...

Mazda 6 Service Manual: Hill Launch Assist (HLA)
Hill Launch Assist (HLA) is a function which assists the driver in accelerating from a stop while on a slope. When the driver releases the brake pedal and depresses the accelerator pedal while on a slope, the function prevents the vehicle from rolling. The braking force is maintained automatic ...