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: Front door speaker inspection
1. Inspect for resistance between the front door speaker terminals using an ohmmeter. If not as specified, replace the front door speaker. 2. To verify that the front door speaker outputs sound, apply voltage to the front door speaker and release using a 1.5-V battery. If not outp ...

Mazda 6 Service Manual: Power outside mirror inspection
1. Disconnect the power outside mirror connector. 2. Apply battery positive voltage to the power outside mirror terminals and inspect the operation of the power outside mirror. If not as specified, replace the power outside mirror. 3. Inspect for continuity between the power outside mi ...