1. Remove the clamps and vacuum hose.
2. Apply both suction and pressure to the engine-side hose, and verify that air blows only toward that side.

Air bleeding
Brake pedal inspectionMazda 6 Service Manual: Steering wheel and column removal/installation
Warning
Handling the air bag module improperly can accidentally deploy the
air bag module, which may seriously injure you. Read AIR BAG SYSTEM WARNINGS
before handling the air bag module. (See SERVICE WARNINGS.)
1. Remove in the order indicated in the table.
2. Install in the reverse o ...
Mazda 6 Service Manual: Foreword
Outline
The OBD (on-board diagnostic) test inspects the integrity and function
of the headlight auto leveling system and output the results when reqested
by the specitic tests.
OBD test also:
- Provides a quick inspection of the headlight auto leveling system.
- Is usually perfor ...