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

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Mazda 6 Service Manual: Front outer handle removal/installation
1. Remove the front door glass. 2. Detach the outer handle and front door latch rod. 3. For protector-equipped vehicles, refer to key cylinder removal/installation to remove the protector. 4. Remove the bolts. 5. With the rear side of the outer handle fixed and the outer handle lever pulle ...

Mazda 6 Service Manual: Obd drive mode
Performing the Drive Mode inspects the OBD system for proper operation. The Drive Mode must be performed to ensure that no additional DTCs are present. During Drive Mode, the following systems are inspected: - Oxygen sensor (HO2S) - Oxygen sensor heater - Catalytic converter (TW ...