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Home >> Subaru >> 2005 >> Outback R VDC Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Diagnostic Trouble Code (DTC) Detecting Criteria (H4SO)) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0128 Coolant Thermostat (Engine Coolant Temperature Below Thermostat Regulating Temperature) >> Diagnostic Method >> Normality Judgment

Normality Judgment

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

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

Judgment Value 

JUDGMENT VALUE REFERENCE (NORMALITY)

Malfunction Criteria Threshold Value
Battery voltage >/= 10.9 V
Engine coolant temperature at engine starting < 55°C (131°F)
Engine coolant temperature >/= 70°C (158°F)
(Estimated - measured) coolant temperature </= 30°C (86°F)