Diagnostic Method

Judge NG when the time of completing the malfunction criteria below becomes more than time needed for diagnosis. Judge OK when the vehicle speed is more than 4 km/h (2.5 MPH) and less than 224 km/h (140 MPH).

Judgment Value 

Fig 1: Threshold Value Table

Courtesy of SUBARU OF AMERICA, INC.

1. Time Needed for Diagnosis:  Low side 20 seconds
2. Malfunction Indicator Light Illumination:  Illuminates as soon as malfunction occurs.