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)
|
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)
|
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)
|
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.
