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Home >> Infiniti >> 2010 >> M35 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P1217 To P2A03 >> DTC P1554: Battery Current Sensor >> Component Inspection
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Component Inspection

  1. CHECK BATTERY CURRENT SENSOR
    1. Turn ignition switch OFF.
    2. Reconnect harness connectors disconnected.
    3. Disconnect battery negative cable (1).
      Fig 1: Identifying Battery Negative Cable And Jumper Cable
      G06306746Courtesy 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 the voltage between ECM harness connector terminals under the following conditions.
      CONNECTOR TERMINAL VOLTAGE CHART

      ECM Voltage (V)
      Connector + -
      Terminal Terminal
      F106 91 (Battery current sensor signal) 95 Approx. 2.5

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

      Fig 2: Checking Voltage Between ECM Harness Connector Terminals
      G06306734Courtesy of NISSAN MOTOR CO., U.S.A.

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: Replace battery negative cable assembly.