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: Manifold absolute pressure (map) sensor inspection
Note Perform the following inspection only when directed. The following vacuum values are indicated by relative pressure from the MAP sensor. 1. Connect the SSTs (WDS or equivalent) to the DLC-2. 2. Turn the ignition switch to ON (Engine OFF). 3. Select MAP PID on the SSTs (WDS or equi ...

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 ...