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Home >> Subaru >> 2022 >> Outback Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (2.5L) (Diagnostics) (4 Of 4) >> Diagnostic Procedure With Diagnostic Trouble Code (DTC) >> DTC U171F: Lost Lin Communication With Generator >> General Description >> Diagnostic Method
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Diagnostic Method

Judge as NG when the following conditions are established.

JUDGMENT VALUE SPECIFICATION

Malfunction Criteria Threshold Value
Data received from control modules connected to LIN No change
or
Checksum error
or
Internal malfunction flag of generator (communication malfunction warning) ON

Time needed for diagnosis:  2048ms

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