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Home >> Infiniti >> 2016 >> Q50 Base, RWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTCS) (Except Hybrid) (4 Of 5) >> DTC/Circuit Diagnosis >> DTC P1553: Main Battery Current Sensor >> Component Inspection (Main Battery Current Sensor) >> Diagnostic Test
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Diagnostic Test

  1. CHECK MAIN BATTERY CURRENT SENSOR

    1. Turn ignition switch OFF.
    2. Reconnect harness connectors disconnected.
    3. Disconnect main battery negative cable.
    4. Install jumper cable between main battery negative terminal and body ground.
      G07051261Courtesy of NISSAN NORTH AMERICA, INC.
    5. Turn ignition switch ON.
    6. Check the voltage between EMCM harness connector terminals as per the following conditions.
      EMCM Voltage
      (Approx.)
      Connector + -
      Terminal
      M147 24 35 2.5 V*

      *: Before measuring the terminal voltage, confirm that the main battery is fully charged. Refer to HOW TO HANDLE BATTERY .

    Is the inspection result normal?

    YES 

    INSPECTION END

    NO 

    Replace main battery current sensor. Refer to REMOVAL AND INSTALLATION .

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