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Home >> Nissan-Datsun >> 2012 >> Cube Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P1212 To P2A00 (CALIFORNIA) >> DTC P1553: Battery Current Sensor >> Diagnosis Procedure
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Diagnosis Procedure

  1. CHECK GROUND CONNECTION
    1. Turn ignition switch OFF.
    2. Check ground connection E38. Refer to Ground Inspection in "CIRCUIT INSPECTION ".

      Is the inspection result normal? 

      YES >> GO TO 2.

      NO >> Repair or replace ground connection.

  2. CHECK BATTERY CURRENT SENSOR POWER SUPPLY CIRCUIT-I
    1. Disconnect battery current sensor harness connector.
    2. Turn ignition switch ON.
    3. Check the voltage between battery current sensor harness connector and ground.
      Battery current sensor Ground Voltage
      Connector Terminal
      F53 1 Ground Approx. 5 V

      Is the inspection result normal? 

      YES >> GO TO  8.

      NO >> GO TO 3.

  3. CHECK BATTERY CURRENT SENSOR POWER SUPPLY CIRCUIT-II
    1. Turn ignition switch OFF.
    2. Disconnect ECM harness connector.
    3. Check the continuity between battery current sensor harness connector and ECM harness connector.
      Battery current sensor ECM Continuity
      Connector Terminal Connector Terminal
      F53 1 F8 71 Existed

      Is the inspection result normal? 

      YES >> GO TO 4.

      NO >> Repair open circuit.

  4. CHECK SENSOR POWER SUPPLY CIRCUIT

    Check harness for short to power and short to ground, between the following terminals.

    ECM Sensor
    Connector Terminal Name Connector Terminal
    F8 69 Tumble control valve actuator F22 1
    71 Battery current sensor F53 1
    74 Refrigerant pressure sensor E49 3
    75 CKP sensor (POS) F20 1
    76 EVAP control system pressure sensor B21 3
    E16 102 APP sensor E110 5

    Is the inspection result normal? 

    YES >> GO TO 5.

    NO >> Repair short to ground or short to power in harness or connectors.

  5. CHECK COMPONENTS

    Check the following.

  6. CHECK APP SENSOR

    Refer to "COMPONENT INSPECTION ".

    Is the inspection result normal? 

    YES >> GO TO  11.

    NO >> GO TO 7.

  7. REPLACE ACCELERATOR PEDAL ASSEMBLY

    Replace accelerator pedal assembly. Refer to "REMOVAL AND INSTALLATION ".

    >> INSPECTION END

  8. CHECK BATTERY CURRENT SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
    1. Turn ignition switch OFF.
    2. Disconnect ECM harness connector.
    3. Check the continuity between battery current sensor harness connector and ECM harness connector.
      Battery current sensor ECM Continuity
      Connector Terminal Connector Terminal
      F53 2 F8 64 Existed
    4. Also check harness for short to ground and short to power.

      Is the inspection result normal? 

      YES >> GO TO 9.

      NO >> Repair open circuit, short to ground or short to power in harness or connectors.

  9. CHECK BATTERY CURRENT SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
    1. Check the continuity between battery current sensor harness connector and ECM harness connector.
      Battery current sensor ECM Continuity
      Connector Terminal Connector Terminal
      F53 3 F8 57 Existed
    2. Also check harness for short to ground and short to power.

      Is the inspection result normal? 

      YES >> GO TO 10.

      NO >> Repair open circuit, short to ground or short to power in harness or connectors.

  10. CHECK BATTERY CURRENT SENSOR

    Refer to "COMPONENT INSPECTION ".

    Is the inspection result normal? 

    YES >> GO TO 11.

    NO >> Replace battery negative cable assembly.

  11. CHECK INTERMITTENT INCIDENT

    Refer to "INTERMITTENT INCIDENT ".

    >> INSPECTION END

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