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Home >> Nissan-Datsun >> 2009 >> Murano SL, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P1550 To P2A03 >> 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).
      Fig 1: Identifying Battery Negative Cable And Jumper Cable
      G05889691Courtesy 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 VOLTAGE REFERENCE

      ECM Voltage (V)
      Connector + -
      Terminal Terminal
      F8 42 (Battery current sensor signal) 44 (Sensor ground) 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.