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: Power Steering
Power steering is only operable when the engine is running. If the engine is off or if the power steering system is inoperable, you can still steer, but it requires more physical effort. If the steering feels stiffer than usual during normal driving or the steering vibrates, consult an A ...

Mazda 6 Service Manual: Pcm removal/installation
Note For replace the PCM, Setup the WDS and perform the PCM configuration. (See PCM CONFIGURATION.) 1. Disconnect the negative battery cable. 2. For R.H.D, perform the following procedures. (1) Remove the front side trim (left-side). (2) Partially peel back the flower covering. 3 ...