Bank 1

Fig 1: Wiring Diagram - EC-O2S2B1-01

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

Specification data are reference values and are measured between each terminal and ground.

CAUTION: Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in damage to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.

Fig 2: DTC P0139, P0159 HO2S2 Specification Data And Reference Values Table - Bank 1

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