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: How to Arm the System
1. Close the windows and the moonroof  securely (some models). 2. Switch the ignition OFF. 3. Make sure the hood, the doors, and the trunk lid are closed. 4.Press the lock button on the transmitter or lock the driver's door from the outside with the auxiliary key. The hazard warning light ...

Mazda 6 Service Manual: No.8 brake system warning light stays on more than 4 seconds with ignition switch on
Diagnostic procedure When performing an asterisked (*) troubleshooting inspection, shake the wiring harness and connectors while doing the inspection to discover whether poor contact points are the cause of any intermittent malfunction. If there is a problem, check to make sure co ...