On Board Diagnosis Logic

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

Fig 1: Graphing Heated Oxygen Sensor 1 Signal For DTC P0132 & P0152 (Correct & Incorrect Example)

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

Fig 2: Identifying DTC P0132 & P0152 Conditions & Possible Causes

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