1. Remove the evaporative gas check valve (one-way).
2. Apply pressure to port A, and verify that there is no airflow.
3. Apply negative pressure to port A, and verify that there is air flow.

Charcoal canister inspection
Purge solenoid valve removal/installationMazda 6 Service Manual: Indicators
Manual shift mode indication
In manual shift mode, the “M” of the shift position indication in the instrument
panel illuminates.
Gear position indication
The numeral for the selected gear illuminates.
NOTE
If the gears cannot be shifted down when driving at higher speeds, the
gear ...
Mazda 6 Service Manual: Driving Position Memory (Some models)
The desired driving position can be called up after programming the position.
The following driving positions can be programmed.
Driver’s seat position (seat slide, height adjustment, front edge of seat
bottom, seat recline)
Active driving display (display position, brightness level, dis ...