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: Filament inspection
1. Turn the ignition switch to ON position. 2. Turn the rear window defroster switch on. Caution Directly touching the rear window defroster filament with the lead of the voltmeter will damage it. Wrap aluminum foil around the end of the lead and test the filament by touching it with the ...

Mazda 6 Service Manual: Starting procedure for on-board diagnostic test mode
Note All DTCs displayed in the on-board diagnostic test mode should be entered in the Audio Repair Order Form. 1. Turn the ignition switch to the ACC or ON position. 2. First press the POWER button, then simultaneously press the AM button and TAPE/MD button for 2 seconds or more. N ...