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: Power Moonroof Reset Procedure
If the battery is disconnected, the moonroof will not operate. The moonroof will not operate correctly until it is reset. Carry out the following procedure to reset the moonroof and resume operation: 1. Switch the ignition ON. 2. Press the tilt switch, to partially tilt open the rear of the moo ...

Mazda 6 Service Manual: No.1 while vehicle is in reverse, vehicle locator mark goes forward
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 connectors, terminals and wiri ...