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Home >> Subaru >> 2021 >> Legacy Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (2.5L) (Diagnostics) (2 Of 4) >> Diagnostic Procedure With Diagnostic Trouble Code (DTC) >> DTC P050A: Cold Start Idle Control System Performance >> General Description >> Diagnostic Method >> •Final ignition timing diagnosis

•Final ignition timing diagnosis

Judge as NG when the following conditions are established.

JUDGMENT VALUE SPECIFICATION

Malfunction Criteria Threshold Value DTC
Final ignition timing - ignition timing during CSERS*
*:
  • CSERS (Cold Start Emission Reduction Strategy)
  • Intermediate ignition timing = Base ignition timing - Retard amount
More than 5.5°CA P050B

Time needed for diagnosis:  7000ms

Malfunction indicator light illumination:  Illuminates when malfunction occurs in 2 continuous driving cycles.