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Home >> Nissan-Datsun >> 2008 >> Frontier XE >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (Qr25DE) >> Component Diagnosis >> P1553 Battery Current Sensor >> Component Inspection >> Battery Current Sensor
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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.
    Fig 1: Identifying Battery Ground Cable
    G04895017Courtesy 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) And Ground
    G04900633Courtesy of NISSAN MOTOR CO., U.S.A.
  6. If NG, replace battery negative cable assembly.
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