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Home >> Subaru >> 2021 >> Forester Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostics) (3 Of 4) >> Diagnostic Procedure With Diagnostic Trouble Code (DTC) >> DTC P1604: STARTABILITY Malfunction >> General Description >> Diagnostic Method
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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
Engine speed Less than 500 rpm

Judge as NG when the following conditions are established.

JUDGMENT VALUE SPECIFICATION (DIAGNOSIS 2)

Malfunction Criteria Threshold Value
Engine speed Less than 300 rpm

Time needed for diagnosis: 

Diagnosis 1:  2 - 26 s

Diagnosis 2:  Less than 1 s

Malfunction indicator light illumination:  Does not illuminate.