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Home >> Subaru >> 2021 >> Legacy 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 P0A3B: Generator/Alternator Over Temperature >> General Description >> Diagnostic Method

Diagnostic Method

Judge as NG when the following conditions are established.

JUDGMENT VALUE SPECIFICATION

Secondary parameters Execution condition
Internal malfunction flag of generator (high temperature malfunction warning) ON
Monitor value of generator internal temperature More than 168°C (334.4°F)

Time needed for diagnosis:  1024ms

Malfunction indicator light illumination:  Does not illuminate even when malfunction occurs. (Charge warning light illuminates)

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