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: Rear brake (disc) inspection
Brake Judder Repair Hint 1. (See FRONT BRAKE (DISC) INSPECTION.) Disc Plate Thickness Inspection Caution Excessive runout may result if the disc plate is removed from the vehicle then machined. Machine the disc plate while installed on the vehicle. 1. Measure the thickness of the dis ...

Mazda 6 Service Manual: Pid/data monitor inspection
  1. Connect the WDS or equivalent to the DLC-2. 2. Measure the PID value. Note Perform part inspection for the output device after PCM inspection. The PID/DATA MONITOR function monitors the calculated value of the input/output signals in the PCM. Therefore, if a monitored value ...