Coolant Control Valve Inspection
WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.
- Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION (US) .)
- Disconnect the coolant control valve connector. (See COOLANT CONTROL VALVE REMOVAL/INSTALLATION .)
- Inspect for continuity between coolant control valve terminals A-B.
- If there is continuity, the coolant control valve is normal.
- If there is no continuity, replace the coolant control valve. (See COOLANT CONTROL VALVE REMOVAL/INSTALLATION .)