Is the air chamber and the tube clogged?
Replace the Main PCB .
Is the Connector connected correctly to
the Main PCB and the Pressure Switch ?
Or is the Harness alright ?
Reconnect or repair the Connector .
Or replace the
Harness .
Check air chamber and remove the foreign material.
Replace the Pressure Switch .
YES
YES
NO
Is the resistance of the Pressure Switch
out of range?
[Pin1 ~ Pin3]
21~23 •)
NO
NO
YES
Pressure Sensor S/W Error (PE)
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