Vacuum Loss Function Inspection
WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
- Start the engine
- Depress the pedal with normal force.
- Stop the engine under this condition
- Hold the pedal depressed for approx. 30 s .
- If the pedal height does not change during this time, the unit is normal