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Home › Infiniti › 2012 › EX35 Base, AWD › Repair and Diagnosis › Engine Performance › System › Engine Control System - DTCS P1217 Through P2A03 › DTC P1553: Battery Current Sensor › Component Inspection

Component Inspection

  1. CHECK BATTERY CURRENT SENSOR
    1. Turn ignition switch OFF.
    2. Reconnect harness connectors disconnected.
    3. Disconnect battery negative cable (1).
    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 follows.
      Fig 1: Identifying Jumper Cable Between Battery Negative Terminal And Body Ground
      G08193961Courtesy of NISSAN NORTH AMERICA, INC.
      ECM Voltage
      Connector + -
      Terminal Terminal
      F102 91 (Battery current sensor signal) 95 Approx. 2.5 V

      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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