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Home >> Subaru >> 2023 >> Outback Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (2.5L) (Diagnostics) (3 Of 4) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P1580: Starter Relay Diagnosis Circuit >> General Description >> Diagnostic Method

Diagnostic Method

Judge as NG when the following conditions are established.

Judgment value yes no 

Malfunction Criteria Threshold Value
Starter diagnosis input voltage Value of Map or less
VOLTAGE SPECIFICATION - MAP

Battery voltage (V) 11 12 13 14 15 16
Starter diagnosis input voltage (V) 8.2 8.96 9.74 10.54 11.3 12.08

Time needed for diagnosis:  2500ms

Malfunction indicator light illumination:  Illuminates as soon as a malfunction occurs.