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Home >> Subaru >> 2021 >> Outback Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (2.5L) (Diagnostics) (2 Of 4) >> Diagnostic Procedure With Diagnostic Trouble Code (DTC) >> DTC P0455: EVAP System (CPC) Leak Detected (Large Leak) >> General Description >> Diagnostic Method >> <Mode A (vacuum pump operation confirmation and characteristics stability)>

<Mode A (vacuum pump operation confirmation and characteristics stability)>

Purpose: Detect the vacuum pump operation trouble.

Judge as NG when the following conditions are established.

Judge as OK if the following conditions are not established, and warm up for five minutes to stabilize the vacuum pump characteristics.

JUDGMENT VALUE SPECIFICATION

Malfunction Criteria Threshold Value DTC
Pressure sensor output value More than -224Pa (-1.68mmHg, -0.1 inHg) P2404
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