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: Pcm configuration
1. Connect the WDS to DLC-2. 2. Set up the WDS (including the vehicle recognition.) 3. Select Module programming. 4. Select Programmable module installation. 5. Select PCM and perform procedures according to directions on the WDS screen. Note If PCM CONFIGURATION is successful, the PCM ...

Mazda 6 Service Manual: Electrical parts
Battery cable Before disconnecting connectors or removing electrical parts, disconnect the negative battery cable. Wiring Harness To remove the wiring harness from the clip in the engine room, pry up the hook of the clip using a flathead screwdriver. ...