Battery Current Sensor

WARNING: This page is about a different car, the 2010 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.

Reconnect harness connectors disconnected.
Disconnect battery negative cable (1).
- Vehicle Front
Fig 1: Disconnecting Battery Negative Cable
Courtesy of NISSAN MOTOR CO., U.S.A.
Install jumper cable A between battery negative terminal and body ground.
Turn ignition switch ON.
Check voltage between ECM terminal 71 (battery current sensor signal) and ground.
Voltage: Approximately 2.5 V
If NG, replace battery negative cable assembly.

Fig 2: Checking Voltage Between ECM Terminal 71 (Battery Current Sensor Signal) And Ground

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