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Home >> Infiniti >> 2013 >> M56 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P1087 To P2542 >> DTC P1553: Battery Current Sensor >> Component Inspection (Battery Current Sensor)
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Component Inspection (Battery Current Sensor)

  1. CHECK BATTERY CURRENT SENSOR 
    1. Turn ignition switch OFF.
    2. Reconnect harness connectors disconnected.
    3. Disconnect battery negative cable.
      4. Fig 1: Disconnecting Battery Negative Cable
      G08897206Courtesy of NISSAN NORTH AMERICA, INC.
    4. Install jumper cable between battery negative terminal and body ground.
    5. Turn ignition switch ON.
    6. Check the voltage between ECM harness connector terminals under the following conditions.
      ECM Voltage (V)
      Connector + -
      Terminal Terminal
      M160 138 (Battery current sensor signal) 150 Approx. 2.5

      Before measuring the terminal voltage, confirm that the battery is fully charged. Refer to "HOW TO HANDLE BATTERY ".

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: Replace battery negative cable assembly.

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