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Home >> Infiniti >> 2011 >> G37 Base, 2D Convertible >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - G37 Convertible - DTC P1233 Through 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).

      : To body ground

    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 as per the following.
      Fig 1: Disconnecting Battery Negative Cable
      G07159820Courtesy of NISSAN MOTOR CO., U.S.A.
      VOLTAGE REFERENCE CHART

      ECM Voltage (V)
      Connector + -
      Terminal Terminal
      F102 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 ".

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: Replace battery negative cable assembly.

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