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Home >> Nissan-Datsun >> 2014 >> Juke S, 4WD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P1217 To P2263 >> DTC P1554: Battery Current Sensor >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK BATTERY CURRENT SENSOR POWER SUPPLY 
    1. Turn ignition switch OFF.
    2. Disconnect battery current sensor harness connector.
    3. Turn ignition switch ON.
    4. Check the voltage between battery current sensor harness connector and ground.
      + - Voltage (Approx.)
      Battery current sensor
      Connector Terminal
      F52 1 Ground 5 V

      Is the inspection result normal? 

      YES: GO TO  3.

      NO: GO TO 2.

  2. CHECK SENSOR POWER SUPPLY CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect ECM harness connector.
    3. Check harness connector for short to power and short to ground, between the following terminals.
      ECM Sensor
      Connector Terminal Name Connector Terminal
      F25 39 FRP sensor F5 1
      EOP sensor F43 3
      Turbocharger boost sensor F75 1
      F26 68 Battery current sensor F52 1
      G sensor B32 3
      72 CMP sensor F109 1
      EVT control position sensor F110 1
      E18 118 APP sensor 2 E101 5

      Is the inspection result normal? 

      YES: Perform the trouble diagnosis for power supply circuit.

      NO: Repair or replace error-detected parts.

  3. CHECK BATTERY CURRENT SENSOR GROUND CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect ECM harness connector.
    3. Check the continuity between battery current sensor harness connector and ECM harness connector.
      + - Continuity
      Battery current sensor ECM
      Connector Terminal Connector Terminal
      F52 3 F26 87 Existed
    4. Also check harness for short to power.

      Is the inspection result normal? 

      YES: GO TO 4.

      NO: Repair or replace error-detected parts.

  4. CHECK BATTERY CURRENT SENSOR INPUT SIGNAL CIRCUIT 
    1. Check the continuity between battery current sensor harness connector and ECM harness connector.
      + - Continuity
      Battery current sensor ECM
      Connector Terminal Connector Terminal
      F52 4 F26 80 Existed
    2. Also check harness for short to ground and to power.

      Is the inspection result normal? 

      YES: GO TO 5.

      NO: Repair or replace error-detected parts

  5. CHECK BATTERY CURRENT SENSOR 

    Check the battery current sensor. Refer to "COMPONENT INSPECTION ".

    Is the inspection result normal? 

    YES: Check intermittent incident. Refer to "INTERMITTENT INCIDENT ".

    NO: Replace battery negative cable assembly. Refer to "EXPLODED VIEW ".

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