Diagnostic Method

Abnormality Judgement
AT: Judge NG when the continuous time of condition which satisfies the malfunction criteria below becomes more than time needed for diagnosis (5 seconds).
Judgment Value

Fig 1: Threshold Value Table (1 Of 3)
Courtesy of SUBARU OF AMERICA, INC.
Normality Judgment
AT: Judge OK and clear the NG when the malfunction criteria below are completed.
Judgment Value

Fig 2: Threshold Value Table (2 Of 3)
Courtesy of SUBARU OF AMERICA, INC.

MT: Judge NG when the number of times until completing the malfunction criteria below continue 3 times in a row, judge OK when turning to OFF or ON.
Judgment Value

Fig 3: Threshold Value Table (3 Of 3)
Courtesy of SUBARU OF AMERICA, INC.
1. Time Needed for Diagnosis:
  AT: 5 seconds
  
  MT: 3 monitoring on MT
2. Malfunction Indicator Light Illumination:
  Illuminates when malfunction occurs in 2 continuous driving cycles.