Bank 1

Fig 1: DTC P1273, P1283 A/F Sensor 1 Wiring Diagram - Bank 1 - EC-AF1B1-01

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 P1273, P1283 Terminal, Specification Data & Reference Values

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