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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 (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| 14.6 kPa (109.5 mmHg, 4.3 inHg) or more

Time needed for diagnosis:  320 ms

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