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Home >> Subaru >> 2019 >> Forester Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostics - Introduction) >> Inspection Mode >> Procedure >> Inspection Mode Ad
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Inspection Mode Ad

DTC Item Condition Number of driving cycles on the detecting condition
P26A3 ENGINE COOLANT BYPASS VALVE "A" RANGE/PERFORMANCE Battery voltage: 10.9 V or more [Engine Coolant Temperature 1]: 90°C (194°F) or more 2
  1. Using the Subaru Select Monitor, clear the memory of [Engine Control System]. Ref. to COMMON(DIAG)>CLEAR MEMORY .
  2. Turn the blower fan switch to OFF.
  3. Start the engine and let it idle.
  4. Turn the blower fan switch to ON and wait for at least 10 seconds.
  5. Turn the blower fan switch to OFF and wait for at least 10 seconds.
  6. Read the temporary code using the Subaru Select Monitor or general scan tool. Ref. to COMMON(DIAG)>DIAGNOSTIC TROUBLE CODE (DTC) .