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: Wiper and washer switch inspection
Windshield Wiper And Washer Switch Without vehicle-speed sensing type wipers 1. Remove the wiper and washer switch. (See WIPER AND WASHER SWITCH REMOVAL/INSTALLATION) 2. Inspect for continuity between the wiper and washer switch terminals using an ohmmeter. If not as specified, replace th ...

Mazda 6 Service Manual: Outside Temperature Display (Without Multi-information Display)
When the ignition is switched ON, the outside temperature is displayed. NOTE Under the following conditions, the outside temperature display may differ from the actual outside temperature depending on the surroundings and vehicle conditions: Significantly cold or hot temperatures. Sudden ...