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Home >> Subaru >> 2020 >> Crosstrek Base, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 22 (Engine Control System (Diagnostics) (HEV) (4 Of 4)) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P24B9: EVAP System Leak Detection Pump Pressure Sensor Circuit Range/Performance >> General Description >> Diagnostic Method

Diagnostic Method

WARNING: This page is about a different variant/trim than selected.

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

JUDGMENT VALUE SPECIFICATION (DIAGNOSIS 1)

Malfunction Criteria Threshold Value
|Pressure sensor output value in leak check valve assembly - Intake manifold pressure (absolute pressure) when ignition switch is ON| 5.1 kPa (37.9 mmHg, 1.5 inHg) or more
JUDGMENT VALUE SPECIFICATION (DIAGNOSIS 2)

Malfunction Criteria Threshold Value
|Pressure sensor output value in leak check valve assembly - Intake manifold pressure (absolute pressure)| 5.1 kPa (37.9 mmHg, 1.5 inHg) or more

Time needed for diagnosis 

Diagnosis 1: 320 ms

Diagnosis 2: 320 ms

Malfunction indicator light illumination  : Illuminates when malfunction occurs in 2 continuous driving cycles.