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Home >> Infiniti >> 2010 >> M35 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P1217 To P2A03 >> 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 connections M16, M70. Refer to "GROUND INSPECTION ".

      Is the inspection result normal? 

      YES: GO TO 2.

      NO: Repair or replace ground connections.

  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.
      CONNECTOR TERMINAL VOLTAGE CHART

      Battery current sensor Ground Voltage (V)
      Connector Terminal
      E67 1 Ground Approx. 5
      Fig 1: Checking Voltage Between Battery Current Sensor Terminal 1 And Ground
      G04900631Courtesy of NISSAN MOTOR CO., U.S.A.

      Is the inspection result normal? 

      YES: GO TO  9.

      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.
      CONNECTOR TERMINAL CONTINUITY CHART

      Battery current sensor ECM Continuity
      Connector Terminal Connector Terminal
      E67 1 F106 64 Existed

      Is the inspection result normal? 

      YES: GO TO  5.

      NO: GO TO 4.

  4. DETECT MALFUNCTIONING PART

    Check the following.

    • Harness connectors E10, F1
    • Harness for open between battery current sensor and ECM

      Repair open circuit.

  5. CHECK SENSOR POWER SUPPLY CIRCUIT

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

    ECM SPECIFICATIONS

    ECM Sensor
    Connector Terminal Name Connector Terminal
    F105 46 Crankshaft position (CKP) sensor F52 1
    F106 64 Camshaft position (CMP) sensor (bank 2) F32 1
    Exhaust valve timing (EVT) control position sensor (bank 2) F83 1
    Battery current sensor E67 1
    M9 103 Accelerator position sensor (APP) sensor E113 5
    107 EVAP control system pressure sensor B172 3
    111 Refrigerant pressure sensor E66 1

    Is the inspection result normal? 

    YES: GO TO 6.

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

  6. CHECK COMPONENTS

    Check the following.

  7. CHECK APP SENSOR

    Refer to "COMPONENT INSPECTION ".

    Is the inspection result normal? 

    YES: GO TO  14.

    NO: GO TO 8.

  8. REPLACE ACCELERATOR PEDAL ASSEMBLY
    1. Replace accelerator pedal assembly.
    2. Go to "SPECIAL REPAIR REQUIREMENT ".

      INSPECTION END

  9. 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.
      CONNECTOR TERMINAL CONTINUITY CHART

      Battery current sensor ECM Continuity
      Connector Terminal Connector Terminal
      E67 2 F106 95 Existed
    4. Also check harness for short to ground and short to power.

      Is the inspection result normal? 

      YES: GO TO  11.

      NO: GO TO 10.

  10. DETECT MALFUNCTIONING PART

    Check the following.

    • Harness connectors E10, F1
    • Harness for open or short between battery current sensor and ECM

      Repair open circuit, short to ground or short to power in harness or connectors.

  11. 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.
      CONNECTOR TERMINAL CONTINUITY CHART

      Battery current sensor ECM Continuity
      Connector Terminal Connector Terminal
      E67 3 F106 91 Existed
    2. Also check harness for short to ground and short to power.

      Is the inspection result normal? 

      YES: GO TO  13.

      NO: GO TO 12.

  12. DETECT MALFUNCTIONING PART

    Check the following.

    • Harness connectors E10, F1
    • Harness for open or short between battery current sensor and ECM

      Repair open circuit, short to ground or short to power in harness or connectors.

  13. CHECK BATTERY CURRENT SENSOR

    Refer to "COMPONENT INSPECTION ".

    Is the inspection result normal? 

    YES: GO TO 14.

    NO: Replace battery negative cable assembly.

  14. CHECK INTERMITTENT INCIDENT

    Refer to "DESCRIPTION ".

    INSPECTION END

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