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Home >> Subaru >> 2006 >> Legacy GT spec.B >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Diagnostic Trouble Code (DTC) Detecting Criteria (H4DOTC) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P1312 Exhaust Gas Temperature Sensor Malfunction >> Diagnostic Method

Diagnostic Method

Judge as NG when one of the malfunction criteria below is completed. Judge as OK and clear the NG when the malfunction criteria below are not met.

Judgment Value 

JUDGMENT VALUE

Malfunction Criteria Threshold Value
Min. exhaust temperature from engine starting ≥ 700°C (1292°F)
Max. exhaust temperature from engine starting < 500°C (932°F)

Time Needed for Diagnosis:  0 seconds

Malfunction Indicator Light Illumination:  Illuminates as soon as a malfunction occurs.