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DTC P1553: Battery Current Sensor: Wiring Diagram

Fig 1: Wiring Diagram - Battery Current Sensor (EC-CUR/SE-01)
G02432326Courtesy 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 ECMs transistor. Use a ground other than ECM terminals, such as the ground.
Fig 2: ECM Terminal Voltage Reference Chart - Battery Current Sensor
G02432327Courtesy of NISSAN MOTOR CO., U.S.A.