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: Airflow mode actuator inspection
1. Connect battery positive voltage to terminal D or F and ground to terminal F or D of the airflow mode actuator. 2. Verify that the airflow mode actuator operates as shown below. If not as specified, replace the airflow mode actuator. 3. Verify that the resistance between the ter ...

Mazda 6 Service Manual: Dashboard Illumination
(Without auto-light control) When the position lights are turned on with the ignition switched ON, the brightness of the dashboard illumination is dimmed. (With auto-light control) When the position lights are turned on with the ignition switched ON, the brightness of the dashboard illuminati ...