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Home >> Subaru >> 2019 >> Ascent Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Engine Control System (Diagnostics) (4 Of 4) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P24B9: EVAP System Leak Detection Pump Pressure Sensor Circuit Range/Performance >> Diagnostic Method

Diagnostic Method

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

JUDGMENT VALUE SPECIFICATION

Malfunction Criteria Threshold Value
| Pressure sensor output value in leak check valve assembly when ignition switch is ON - Intake manifold pressure (absolute pressure) when ignition switch is ON| 14.599 kPa (109.5 mmHg, 4.31 inHg) or more

Time needed for diagnosis:  320 ms

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