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: Cargo compartment light switch inspection
1. Remove the liftgate lower trim. (See LIFTGATE LOWER TRIM REMOVAL/INSTALLATION) 2. Disconnect the cargo compartment light switch connector. 3. Inspect for continuity between the cargo compartment light switch terminals using an ohmmeter. If not as specified, replace the liftgate lock. ...

Mazda 6 Service Manual: Headlight cleaner switch removal/installation
1. Disconnect the negative battery cable. 2. Remove in the order indicated in the table. 3. Install in the reverse order of removal. Headlight Cleaner Switch Removal Note 1. Insert your hand from the lower side of the dashboard and squeeze the tabs of the headlight cleaner switch. 2. Pull ...