Nissan Rogue (T33) 2021-Present Service Manual: Low Pressure Fuel Pump

Nissan Rogue (T33) 2021-Present Service Manual / Engine :: Engine Control System / Kr15ddt :: Dtc/circuit Diagnosis / Low Pressure Fuel Pump

Component Function Check

CHECK LOW PRESSURE FUEL PUMP FUNCTION

  1. Turn ignition switch ON.

  2. Pinch fuel feed hose with two fingers.

    Fuel pressure pulsation should be felt on the fuel feed hose for 1 second after ignition switch is turned ON.

Is the inspection result normal?

YES>>

INSPECTION END

NO>>

Refer to Diagnosis Procedure.

Diagnosis Procedure

CHECK FUEL PUMP CONTROL MODULE POWER SUPPLY

  1. Turn ignition switch OFF.

  2. Disconnect Fuel pump control module harness connector.

  3. Turn ignition switch ON.

  4. Check the voltage between Fuel pump control module harness connector and ground.

    + − Voltage
    Fuel pump control module
    Connector Terminal
    B97 6 Ground Battery voltage

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

GO TO 2.

CHECK FUEL PUMP CONTROL MODULE POWER SUPPLY CIRCUIT

  1. Turn ignition switch OFF.

  2. Disconnect IPDM E/R harness connector.

  3. Check the continuity between IPDM E/R harness connector and Fuel pump control module harness connector.

    IPDM E/R Fuel pump control module Continuity
    Connector Terminal Connector Terminal
    E121 46 B97 6 Existed

  4. Also check harness for short to power and short to ground.

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair or replace error-detected parts.

CHECK FUSE

  1. Pull out 20A fuse (No. 85) from IPDM E/R.

  2. Check that 20A fuse is not blowing.

Is the fuse blown (open)?

YES>>

Replace the fuse after repairing the applicable circuit.

NO>>

GO TO 4.

CHECK INTERMITTENT INCIDENT

Check intermittent incident. Refer to Intermittent Incident.

Is the inspection result normal?

YES>>

Perform trouble diagnosis for power supply circuit.

NO>>

Repair or replace error-detected parts.

CHECK FUEL PUMP CONTROL MODULE GROUND CIRCUIT

  1. Turn ignition switch OFF.

  2. Check the continuity between Fuel pump control module harness connector and ground.

    Fuel pump control module — Continuity
    Connector Terminal
    B97 3 Ground Existed

  3. Also check harness for short to power.

Is the inspection result normal?

YES>>

GO TO 6.

NO>>

Repair or replace error-detected parts.

CHECK FUEL PUMP CONTROL MODULE INPUT AND OUTPUT CIRCUITS

  1. Disconnect ECM harness connector.

  2. Check the continuity between Fuel pump control module harness connector and ECM harness connector.

    Fuel pump control module ECM Continuity
    Connector Terminal Connector Terminal
    B97 4 E21 144 Existed
    5 138

  3. Also check harness for short to power and short to ground.

Is the inspection result normal?

YES>>

GO TO 7.

NO>>

Repair or replace error-detected parts.

CHECK FUEL PUMP

Check fuel pump. Refer to Component Inspection.

Is the inspection result normal?

YES>>

GO TO 8.

NO>>

Replace fuel filter and fuel pump assembly. Refer to Removal and Installation.

CHECK FUEL PUMP CONTROL MODULE

Check fuel pump control module. Refer to Component Inspection.

Is the inspection result normal?

YES>>

Check intermittent incident. Refer to Intermittent Incident.

NO>>

Replace fuel pump control module. Refer to Removal and Installation.

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