
No.18 excessive shift shock is felt when upshifting and downshifting
No.20 noise occurs at idle when vehicle is stopped in all positions/rangesMazda 6 Service Manual: Rear door speaker inspection
1. Inspect for resistance between the rear door speaker terminals using an
ohmmeter.
If not as specified, replace the rear door speaker.
2. To verify that the rear door speaker outputs sound, apply voltage to the
rear door speaker and release using a 1.5-V battery.
If not outputs ...