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Home >> Subaru >> 2006 >> Baja Turbo, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (Diagnostic Trouble Code (DTC) Detecting Criteria (H4SO)) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0126 - Insufficient Coolant Temperature For Stable Operation - >> Diagnostic Method

Diagnostic Method

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Abnormality Judgment 

Judge NG when the continuous time of completing the malfunction criteria below becomes more than 25 seconds.

Judgment Value 

JUDGMENT VALUE (ABNORMALITY JUDGMENT)

Malfunction Criteria Threshold Value
Engine coolant temperature at the last engine stop - Minimum engine coolant temperature after engine starting < 3°C (5°F)
Fuel temperature at the last engine stop - Fuel temperature ≥ 6°C (11°F)
Intake air temperature - Fuel temperature < 3°C (5°F)
Fuel temperature < 35°C (95°F)

Normality Judgment 

Judge OK when all of the malfunction criteria below are completed successfully.

Judgment Value 

JUDGMENT VALUE (NORMALITY JUDGMENT)

Malfunction Criteria Threshold Value
Engine coolant temperature at the last engine stop - Minimum engine coolant temperature after engine starting ≥ 3°C (5°F)

Time Needed for Diagnosis  : 25 seconds

Malfunction Indicator Light Illumination  : Illuminates when malfunction occurs in 2 continuous driving cycles.