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Diagnostic Method

Abnormality Judgment
Judge NG when the malfunction criteria below is completed.
Judgment Value

Fig 1: Threshold Valve Table (1 Of 2)
Courtesy of SUBARU OF AMERICA, INC.

If the fuel level (Max. - Min.) in every 60 seconds is less than 2 l , extend 60 seconds more and make judgment with the Max. and Min. fuel level in 120 seconds.

If the difference did not appear though the time extended, extend the time (180, 240, 300 seconds) and continue the judgment.

Diagnosis counter will count up when the difference of fuel level (Max. - Min.) is more than 2 l .

Time Needed for Diagnosis: 1 minute x 16 times or more

Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in two continuous drive cycles.
Normality Judgment
Judge OK when the malfunction criteria below is completed.
Judgment Value

Fig 2: Threshold Valve Table (2 Of 2)

G00853061

Courtesy of SUBARU OF AMERICA, INC.