Coolant Control Valve Inspection
WARNING: This page is about a different car, the 2018 Mazda CX-5. 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 .)
- Disconnect the coolant control valve connector. (See Coolant Control Valve Removal/Installation .)
- Inspect for continuity between coolant control valve terminals A-B.
Courtesy of MAZDA MOTORS CORP.
- 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 .)