Electrical coolant pump: Notes
The electric coolant pump is self-diagnosable. It automatically detects e.g. whether the impeller is turning.
The pump can diagnose the following faults:
- Speed deviation
- Stiff movement or block by e.g. foreign bodies
- Incorrect mixture ratio coolant/water
- Air in the cooling system
- External start with 24 V battery
The electrical coolant pump ensures engine cooling in line with requirements. However, for perfect functioning, the following points must be observed: