Intake air sensor (688), T8
 
  
 
 
  
   
    
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      Intake air sensor (688), T8
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        °C (°F)
       
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        kohm
       
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        V
       
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        -30 (-22)
       
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        27.5
       
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        4.74
       
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        -10 (14)
       
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        9.7
       
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        4.33
       
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        0 (32)
       
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        6.0
       
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        4.0
       
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        20 (68)
       
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        2.5
       
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        3.13
       
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        40 (104)
       
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        1.5
       
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        2.18
       
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        60 (140)
       
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        0.577
       
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        1.39
       
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        80 (176)
       
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        0.310
       
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        0.86
       
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        90 (194)
       
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        0.176
       
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        0.67
       
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   Power supply 5V through 2.74 kohm resistor in control module.
   
   
   
   
   
   
   
  
  
   
   
    
     
     
     
    
    
     
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        Power supply, pin 3
       
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        V
       
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        5
       
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        Ground, pin 2
       
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        Voltage on
       
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        Pin 4
       
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        25 kPa (-0.75 bar)
       
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        V
       
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        approx. 0.5
       
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        50 kPa (-0.50 bar)
       
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        V
       
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        approx. 1.0
       
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        75 kPa (-0.25 bar)
       
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        V
       
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        approx. 1.5
       
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        100 kPa (±0 bar)
       
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        V
       
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        approx. 2.0
       
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        125 kPa (0.25 bar)
       
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        V
       
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        approx. 2.5
       
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        150 kPa (0.50 bar)
       
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        V
       
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        approx. 3.0
       
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        175 kPa (0.75 bar)
       
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        V
       
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        approx. 3.5
       
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        200 kPa (1.00 bar)
       
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        V
       
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        approx. 4.0
       
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   Pressure given in kPa is absolute pressure, i.e. 100 kPa corresponds to atmospheric pressure at sea level.
   
   
  
  
   When checking pressure sensor with pressure/vacuum pump, a somewhat lower voltage may be obtained when measuring at high altitudes.