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: Generator inspection
Generator Warning Light 1. Verify that the battery is fully charged. Charge if necessary. 2. Verify that the drive belt deflection/tension is correct. (See DRIVE BELT INSPECTION.) If not as specified, replace the drive belt. 3. Turn the ignition switch to ON and verify that the gene ...

Mazda 6 Service Manual: Exterior lighting system
...