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Home >> Nissan-Datsun >> 2010 >> Rogue SL, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (MEXICO) >> DTC/Circuit Diagnosis >> Fuel Pump >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK FUEL PUMP POWER SUPPLY CIRCUIT-I
    1. Turn ignition switch OFF.
    2. Disconnect ECM harness connector.
    3. Turn ignition switch ON.
    4. Check the voltage between ECM harness connector and ground.
    VOLTAGE SPECIFICATION

    ECM Ground Voltage
    Connector Terminal
    F7 14 Ground Battery voltage

    Is the inspection result normal? 

    YES: GO TO  4.

    NO: GO TO 2.

  2. CHECK FUEL PUMP POWER SUPPLY CIRCUIT-II
    1. Turn ignition switch OFF.
    2. Disconnect IPDM E/R harness connector E13.
    3. Check the continuity between IPDM E/R harness connector and ECM harness connector.
    CONTINUITY SPECIFICATION

    ECM IPDM E/R Continuity
    Connector Terminal Connector Terminal
    F7 14 E13 33 Existed

    Is the inspection result normal? 

    YES: GO TO  9.

    NO: GO TO 3.

  3. DETECT MALFUNCTIONING PART

    Check the following.

    • Harness connectors E6, F123
    • IPDM E/R connector E13
    • Harness for open or short between ECM and IPDM E/R

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

  4. CHECK 15 A FUSE
    1. Disconnect 15 A fuse (No. 57) from IPDM E/R.
    2. Check 15 A fuse.

    Is the inspection result normal? 

    YES: GO TO 5.

    NO: Replace fuse.

  5. CHECK FUEL PUMP POWER SUPPLY CIRCUIT-III
    1. Disconnect "fuel level sensor unit and fuel pump" harness connector.
    2. Check the continuity between IPDM E/R harness connector and "fuel level sensor unit and fuel pump" and ground.
    CONTINUITY SPECIFICATION

    IPDM E/R Fuel level sensor unit and fuel pump Continuity
    Connector Terminal Connector Terminal
    E14 46 B40 5 Existed

    Is the inspection result normal? 

    YES: GO TO  7.

    NO: GO TO 6.

  6. DETECT MALFUNCTIONING PART

    Check the following.

    • Harness connectors E105, M77
    • Harness connectors M11, B1
    • Harness for open or short between "fuel level sensor unit and fuel pump" and IPDM E/R

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

  7. CHECK FUEL PUMP GROUND CIRCUIT
    1. Check the continuity between "fuel level sensor unit and fuel pump" and ground.
      CONTINUITY SPECIFICATION

      Fuel level sensor unit and fuel pump Ground Continuity
      Connector Terminal
      B40 3 Ground Existed
    2. Also heck harness for short to power.

    Is the inspection result normal? 

    YES: GO TO 8.

    NO: Repair open circuit or short to power in harness or connectors.

  8. CHECK FUEL PUMP

    Refer to , "COMPONENT INSPECTION ".

    Is the inspection result normal? 

    YES: GO TO 9.

    NO: Replace fuel pump.

  9. CHECK INTERMITTENT INCIDENT

    Refer to "INTERMITTENT INCIDENT ".

    Is the inspection result normal? 

    YES: Replace IPDM E/R.

    NO: Repair or replace harness or connectors.

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