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Home >> Subaru >> 2006 >> Legacy GT spec.B >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 15 (Diagnostic Trouble Code (DTC) Detecting Criteria (H4SO)) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0483 Fan Rationality Check >> Diagnostic Method

Diagnostic Method

WARNING: This page is about a different variant/trim than selected.

Abnormality Judgment 

Judge as NG when the continuous time of completing the malfunction criteria below becomes more than 5 minutes.

Judgment Value 

JUDGMENT VALUE CHART

Malfunction Criteria Threshold Value
Engine coolant temperature ≥ 100°C (212°F)
Radiator fan signal change OFF to ON
Engine coolant temperature Does not decrease

Time Needed for Diagnosis:  5 minutes

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

Normality Judgment 

Judge as OK and clear the NG when the malfunction criteria below are met.

Judgment Value 

JUDGMENT VALUE CHART

Malfunction Criteria Threshold Value
Radiator fan signal change OFF to ON
Engine coolant temperature Decreased