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Home >> Nissan-Datsun >> 2009 >> Xterra SE, 4WD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0603 To P2A03 >> P1550 Battery Current Sensor >> Component Inspection >> Battery Current Sensor

Battery Current Sensor

  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.
    5. Fig 1: Identifying Jumper Cable Connection Between Battery Negative Terminal And Body
    G04897218Courtesy of NISSAN MOTOR CO., U.S.A.
  5. Check voltage between ECM terminal 71 (battery current sensor signal) and ground.

    Voltage: Approximately 2.5V 

    Fig 2: Checking Voltage Between ECM Terminal 71 (Battery Current Sensor Signal) And Ground
    G04900633Courtesy of NISSAN MOTOR CO., U.S.A.
  6. If NG, replace battery negative cable assembly.
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