Coolant level sensor
| Coolant level sensor | 
| 
       
        Location
       
        | 
      
       
       
        | 
      
       
        In the expansion tank
       
        | 
     
| 
       
        Power supply
       
        | 
      
       
        V
       
        | 
      
       
        B+
       
        | 
     
| 
       
        Characteristics
       
        | 
      
       
        “Level low”
       
        | 
      
       
        Open
       
        | 
     
