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Home >> Subaru >> 2023 >> Ascent Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostics) (4 Of 4) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P2B08: Cold Start Cylinder 1 Injection Pulse Performance >> General Description >> Diagnostic Method
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Diagnostic Method

Judge as NG when one of the following conditions is established.

JUDGMENT VALUE SPECIFICATION - DIAGNOSIS 1

Malfunction Criteria Threshold Value
Injection status was detected before CPU output injection command TRUE
JUDGMENT VALUE SPECIFICATION - DIAGNOSIS 2

Malfunction Criteria Threshold Value
Injection timing delay 1.5 ms or more

Time needed for diagnosis:  Time until 10 errors are detected during 100 revolutions (during CSERS (Cold Start Emission Reduction Strategy))

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