VACUUM SENSOR 1

id041100999600


Purpose/Function

•  Detects the vacuum in the power brake unit and sends it to the electric vacuum pump control unit as a power brake unit vacuum pressure signal.

Construction

•  Installed to the power brake unit.
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•  The vacuum sensor 1 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 sent to the electric vacuum pump control unit.
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Vacuum sensor characteristic

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Fail-safe

DTC No.

Fail-safe function
C101B:16
•  Calculates power brake unit vacuum using only vacuum sensor 2 signal, and controls electric vacuum pump
C101B:17
C101B:1C