Mazda 6 Service Manual: No.19 excessive shift shock on torque converter clutch (tcc)

No.18 excessive shift shock is felt when upshifting and downshifting

No.20 noise occurs at idle when vehicle is stopped in all positions/ranges

Other materials:

Mazda 6 Service Manual: Engine control system operation inspection
Main Relay Operation Inspection Verify that the main relay clicks when the ignition switch is turned to ON position and off. If there is no operation sound, inspect the following. - Main relay (See RELAY INSPECTION.) - Harness and connector between ignition switch and main relay termi ...

Mazda 6 Service Manual: Climate control unit removal
1. Disconnect the negative battery cable. 2. Disconnect the air mix and airflow mode wires from each wire clamp and link. (Manual air conditioner) 3. Remove the center panel. (See CENTER PANEL MODULE REMOVAL/INSTALLATION.) 4. Remove the screws and climate control unit. (Full-auto air conditione ...