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Home >> Nissan-Datsun >> 2014 >> Murano SL, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0643 To P2138 (Except CROSSCABRIOLET) >> DTC P1553: Battery Current Sensor >> Component Inspection
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Component Inspection

  1. CHECK BATTERY CURRENT SENSOR 
    1. Turn ignition switch OFF.
    2. Reconnect harness connectors disconnected.
    3. Disconnect battery negative cable (1).
      • <==: Vehicle front
      • <==: 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 under the following conditions.
      ECM Voltage (V)
      Connector + -
      Terminal Terminal
      F8 42 (Battery current sensor signal) 44 (Sensor ground) Approx. 2.5
      Fig 1: Removing Battery Negative Cable
      G04886919Courtesy of NISSAN NORTH AMERICA, INC.

      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.