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: Coming Home Light
The coming home light turns on the headlights (low beams) when the lever is operated. To turn on the lights When the lever is pulled with the ignition switched to ACC or OFF, the low beam headlights turn on. The headlights turn off after a certain period of time has elapsed after the doors ar ...

Mazda 6 Service Manual: Vehicle speedometer sensor (vss) inspection
Visual Inspection 1. Remove the VSS. (See VEHICLE SPEEDOMETER SENSOR (VSS) REMOVAL/INSTALLATION.) 2. Make sure that the sensor is free of any metallic shavings or particles. If any are found on the sensor, clean them off. 3. Install the VSS. (See VEHICLE SPEEDOMETER SENSOR (VSS) REMOVAL ...