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Home >> Mazda >> 2021 >> CX-5 Touring, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 18 (Conventional Brake System) >> Power Brake Unit Inspection >> Without Using SST >> Operation Inspection
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Operation Inspection

WARNING: This page is about a different car, the 2016 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.
  1. With the engine stopped, pump the pedal a few times.
  2. With the pedal depressed, start the engine.
  3. If the pedal moves down slightly immediately after starting the engine, the unit is normal.