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Home >> Nissan-Datsun >> 2003 >> Sentra SE-R, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 2295 (Engine Control System - DTCS P1271 To P2138) >> DTC P1553: Battery Current Sensor >> Component Inspection >> Battery Current Sensor
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Battery Current Sensor

WARNING: This page is about a different car, the 2005 Nissan Xterra. However, it is still accessible from the selected car via links, so may be relevant.
  1. Reconnect harness connectors disconnected.
  2. Disconnect battery negative cable.
  3. Install jumper cable between battery negative terminal and body ground.
  4. Turn ignition switch ON.
    Fig 1: Disconnecting Battery Negative Cable
    G03607298Courtesy of NISSAN MOTOR CO., U.S.A.
  5. Check voltage between ECM terminal 71 (battery current sensor signal) and ground.

    Voltage: Approximately 2.5V 

  6. If NG, replace battery negative cable assembly.
    Fig 2: Checking Voltage Between ECM Terminal 71 (Battery Current Sensor Signal) And Ground
    G03607299Courtesy of NISSAN MOTOR CO., U.S.A.