Manifold absolute pressure sensor (431)
| Manifold absolute pressure sensor (431) | 
  
  | 
      
       Location
      
       | 
     
      
       On stay between upper MacPherson strut attachment points
      
       | 
    |
| 
      
       Power supply, pin B
      
       | 
     
      
       V
      
       | 
     
      
       5
      
       | 
    
| 
      
       Ground, pin A
      
       | 
     
      
      
       | 
     
      
      
       | 
    
| 
      
       Voltage at
      
       | 
     
      
      
       | 
     
      
       Pin C
      
       | 
    
| 
      
       25 kPa (-0.75 bar)
      
       | 
     
      
       V
      
       | 
     
      
       approx. 0.9
      
       | 
    
| 
      
       50 kPa (-0.50 bar)
      
       | 
     
      
       V
      
       | 
     
      
       approx. 1.3
      
       | 
    
| 
      
       100 kPa (±0 bar)
      
       | 
     
      
       V
      
       | 
     
      
       approx. 2.1
      
       | 
    
| 
      
       125 kPa (0.25 bar)
      
       | 
     
      
       V
      
       | 
     
      
       approx. 2.5
      
       | 
    
| 
      
       150 kPa (0.50 bar)
      
       | 
     
      
       V
      
       | 
     
      
       approx. 2.9
      
       | 
    
| 
      
       175 kPa (0.75 bar)
      
       | 
     
      
       V
      
       | 
     
      
       approx. 3.3
      
       | 
    
Pressure specified in kPa refers to absolute pressure, i.e. 100 kPa corresponds to atmospheric pressure at sea level.
When checking the pressure sensor with a pressure/vacuum pump, slightly lower voltages may be obtained at high altitudes.
