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Home >> Infiniti >> 2010 >> M35 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 193 (Engine Control System - DTCS P1550 To P2A03) >> DTC P1550 Battery Current Sensor >> Component Inspection >> Battery Current Sensor
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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.
  1. Reconnect harness connectors disconnected.
  2. Disconnect battery negative cable (1).
  3. Disconnect "fuel level sensor unit and fuel pump" harness connector (1).
    • Vehicle Front
    Fig 1: Disconnecting Battery Negative Cable
    G06303342Courtesy of NISSAN MOTOR CO., U.S.A.
  4. Install jumper cable A between battery negative terminal and body ground.
  5. Turn ignition switch ON.
  6. Check voltage between ECM terminal 71 (battery current sensor signal) and ground.

    Voltage: Approximately 2.5 V 

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