DTC P1553 Battery Current Sensor: Wiring Diagram

Fig 1: Wiring Diagram - EC-CUR/SE-01

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

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

CAUTION: Never 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.

CONNECTOR TERMINALS REFERENCE CHART

TERMINAL NO.

WIRE COLOR

ITEM

CONDITION

DATA (DC Voltage)

B/Y

Sensor power supply
(Battery current sensor)

[Ignition switch: ON]

Approximately 5 V

B/W

Sensor ground
(Battery current sensor)

[Engine is running]

Warm-up condition
Idle speed

Approximately 0 V

L/R

Battery current sensor

[Engine is running]

Battery: Fully charged⁽¹⁾
Idle speed

Approximately 2.6 - 3.5 V

⁽¹⁾	Before measuring the terminal voltage, confirm that the battery is fully charged. Refer to "HOW TO HANDLE BATTERY ".