2020 Subaru Forester P code Page 142

Time Needed for Diagnosis:Value of Map1 + Value of Map2 + 22820 ms + 0 + Value of Map2 + 0 ms + 200000 ms + Value of Map3 + 0

ms + 200000 ms

P0458

DTC P0458 EVAPORATIVE EMISSION SYSTEM PURGE CONTROL VALVE CIRCUIT LOW

1. OUTLINE OF DIAGNOSIS

Detect open or short circuit of the purge control solenoid valve.

Judge as NG when the ECM output level differs from the actual terminal level.

2. COMPONENT DESCRIPTION

3. ENABLE CONDITION

4. GENERAL DRIVING CYCLE

Always perform the diagnosis after starting the engine.

5. DIAGNOSTIC METHOD

Abnormality Judgment

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