Engine oil level switch (243), PSG16
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Engine oil level switch (243), PSG16
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Engine oil level switch (243)
The sensor sends a message to the engine control module, which confirms that the level is low by evaluating the time it has been low.
The engine control module then transmits the bus message "Oil level low" to SID. The information from the oil level sensor is a filtered value as temperature, engine speed, acceleration, and speed are used to calculate the average oil level.
It is still important that the oil level is checked using the dipstick as before as that message is not sent in SID. If the message is nonetheless displayed, the oil level is at MIN on the dipstick.
The sensor is float type with switch function. Open contact when oil level too low, closed at correct level.
Pin No.
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Signal type
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Description
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1
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Signal
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The level switch is supplied with 5V via a resistor from ECM pin 6(M).
Sufficient oil = 0V.
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2
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Ground
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Sensor's ground.
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