POWER BRAKE UNIT VACUUM SENSOR [SKYACTIV-G 2.5 (WITH CYLINDER DEACTIVATION)]

id0140h1004600


Purpose/Function

•  Detects the vacuum in the power brake unit to assure brake performance while the engine is stopped by the i-stop control.
•  Detects the vacuum in the power brake unit and sends it to the PCM as a power brake unit vacuum pressure signal.

Construction

•  Installed to the power brake unit.
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•  The power brake unit vacuum sensor has adopted a piezoelectric element to the detection area for detection of the vacuum in the power brake unit.

Operation

•  The signal, which changes according to the vacuum in the power brake unit, is send to the PCM.
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Power brake unit vacuum sensor characteristic

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Fail-safe

DTC No.

Fail-safe function
P0555:00
•  Flashes the i-stop warning light (amber) and inhibits engine-stop by operating the i-stop function.