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Home >> Infiniti >> 2011 >> EX35 Base, RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P1217 Through P2A03 >> DTC P1550: 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: Installing Jumper Cable Between Battery Negative Terminal And Body Ground
      G07165113Courtesy 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.
    TERMINALS REFERENCE

    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.