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: Hazardous Driving
WARNING Be extremely careful if it is necessary to downshift on slippery surfaces: Downshifting into lower gear while driving on slippery surfaces is dangerous. The sudden change in tire speed could cause the tires to skid. This could lead to loss of vehicle control and an accident. When dri ...

Mazda 6 Service Manual: Diagnostic assist function
Structural View Switch location LCD Inspection 1. With audio on, first press the POWER button, then simultaneously press the SEEK button (upper) for approximately 1 second. 2. Inspect the LCD according to the following table: 3. Turn the audio off or the ignition switch to the LOCK posi ...