On Board Diagnosis Logic

To judge the malfunction, the diagnosis checks that the heated oxygen sensor 1 output is not inordinately high.

Fig 1: On Board Diagnosis Logic (1 Of 2)

Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 2: On Board Diagnosis Logic (2 Of 2)

Courtesy of NISSAN MOTOR CO., U.S.A.