Mazda 6 Service Manual: No.2 vehicle moves in n position

No.1 vehicle does not move in d, s, l ranges, or in r position

No.3 vehicle moves in p position, or parking gear does not disengage when p is disengaged

Other materials:

Mazda 6 Service Manual: Engine control system operation inspection
Main Relay Operation Inspection Verify that the main relay clicks when the ignition switch is turned to ON position and off. If there is no operation sound, inspect the following. - Main relay (See RELAY INSPECTION.) - Harness and connector between ignition switch and main relay termi ...

Mazda 6 Service Manual: Moonroof (Some models)
The moonroof can be opened or closed electrically only when the ignition is switched ON. WARNING Do not let passengers stand up or extend part of the body through the open moonroof while the vehicle is moving: Extending the head, arms, or other parts of the body through the moonroof is dan ...