Fuel pressure sensor, fuel rail (653)
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Fuel pressure sensor, fuel rail (653)
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Piezo-resistive sensor with integrated signal converter.
Pin No.
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Signal type
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Description
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1
|
Ground
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Connected to ECM pin 8(A).
|
2
|
Signal
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Connected to ECM pin 143A).
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3
|
Power supply
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Connected to ECM pin 28(A).
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The sensor element is a resistance bridge in thin-film technology mounted on a steel diaphragm. When pressure is exerted to the diaphragm it will bend, creating a voltage across the resistance bridge. This voltage is then converted in an integrated signal converter.