DTC P1550 Battery Current Sensor: Wiring Diagram

For PG, go to POWER SUPPLY, GROUND & CIRCUIT ELEMENTS .

Fig 1: Wiring Diagram - EC-IVTB1-01

Courtesy of NISSAN NORTH AMERICA, INC.

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.

INPUT/OUTPUT VOLTAGE CHART

TERMINAL NO.

WIRE COLOR

ITEM

CONDITION

DATA (DC Voltage)

R/Y

Sensor power supply
(Battery current sensor)

[Ignition switch: ON]

Approximately 5V

Sensor ground
(Battery current sensor)

[Engine is running]

Warm-up condition
Idle speed

Approximately 0V

Battery current sensor

[Engine is running]

Battery: Fully charged⁽¹⁾
Idle speed

Approximately 2.6 - 3.5V

⁽¹⁾	Before measuring the terminal voltage, confirm that the battery is fully charged. Refer to "SPECIFIC GRAVITY CHECK ".