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Home >> Nissan-Datsun >> 2004 >> Quest SL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System >> DTC P1274, P1284: A/F Sensor 1 >> Wiring Diagram >> Bank 1

Bank 1

Fig 1: Displaying EC-AF1B1-01 Wiring Diagram
G00775766Courtesy 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: Identifying Terminal Specifications
G00775767Courtesy of NISSAN MOTOR CO., U.S.A.