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

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

Component Function Check

CHECK HIGH PRESSURE FUEL PUMP FUNCTION

With CONSULT

  1. Start engine.

  2. Select “FUEL PRES SEN V” in “DATA MONITOR” mode of “ENGINE” using CONSULT and check the indication as per the following conditions.

    Monitor item Condition Indication
    FUEL PRES SEN V

    • Engine: After warming up

    • Selector lever: P or N position

    • A/C switch: OFF

    • No load

    		 Engine speed: Idle 1.17 – 1.84 V
    Revving engine up to 4,000 rpm quickly. 1.17 – 3.44 V

Without CONSULT

  1. Start engine.

  2. Check the voltage between ECM terminals as per the following conditions.

    ECM Condition Voltage
    Connector + −
    Terminal
    F72 7 2

    [Engine is running]

    • Warm-up condition

    • Idle speed

      NOTE:

      The pulse cycle changes depending on rpm at idle.

    		 3.1 V

    [Engine is running]

    • Warm-up condition

    • Engine speed: 2,500 rpm

    		 4.3 V

Is the inspection result normal?

YES>>

INSPECTION END

NO>>

Refer to Diagnosis Procedure.

Diagnosis Procedure

CHECK HIGH PRESSURE FUEL PUMP CIRCUIT

  1. Disconnect high pressure fuel pump relay harness connector.

  2. Check the continuity between ECM harness connector and high pressure fuel pump harness connector.

    ECM High pressure fuel pump Continuity
    Connector Terminal Connector Terminal
    F72 7 F82 1 Existed
    2 2

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

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

Repair or replace malfunctioning part.

CHECK ECM GROUND CIRCUIT

  1. Turn ignition switch OFF.

  2. Disconnect ECM harness connector.

  3. Check the continuity between ECM harness connector and ground.

    ECM — Continuity
    Connector Terminal
    F72 4 Ground Existed
    E21 156
    157
    160

  4. Also check harness for short to power.

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair or replace malfunctioning part.

CHECK HIGH PRESSURE FUEL PUMP

Refer to Component Inspection.

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Replace high pressure fuel pump. Refer to Removal and Installation.

CHECK HIGH PRESSURE FUEL PUMP INSTALLATION

  1. Turn ignition switch OFF.

  2. Check high pressure fuel pump for improper attachment or looseness.

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace malfunctioning part.

CHECK CAMSHAFT

  1. Remove camshaft. Refer to Removal and Installation.

  2. Check camshaft. Refer to Inspection.

Is the inspection result normal?

YES>>

Check intermittent incident. Refer to Intermittent Incident.

NO>>

Replace camshaft. Refer to Removal and Installation.

Component Inspection

CHECK HIGH PRESSURE FUEL PUMP-1

  1. Turn ignition switch OFF.

  2. Disconnect high pressure fuel pump harness connector.

  3. Check the resistance between high pressure fuel pump terminals as follows.

    High pressure fuel pump Condition Resistance
    + −
    Terminal
    1 2 Temperature [°C (°F)] 20 – 30 (68 – 86) 0.495 - 0.545 Ω

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

Replace high pressure fuel pump. Refer to Removal and Installation.

CHECK HIGH PRESSURE FUEL PUMP-2

With CONSULT

  1. Reconnect high pressure fuel pump harness connector.

  2. Start the engine.

  3. Check “FUEL PRES SEN V” in “DATA MONITOR” of “ENGINE” with CONSULT.

    Monitor item Condition Indication
    FUEL PRES SEN V

    • Engine: After warming up

    • Selector lever: P or N position

    • A/C switch: OFF

    • No load

    		 Engine speed: idle 1.17 – 1.84 V
    Revving engine from idle to 4,000 rpm quickly 1.17 – 3.44 V

Without CONSULT

  1. Start the engine.

  2. Check fuel rail pressure sensor signal voltage.

+ − Condition

Voltage

(Approx.)
Fuel rail pressure sensor
Connector Terminal
F85 2 Ground

[Engine is running]

  • Engine warm-up condition

  • Engine speed: Idle

 1.46 V

[Engine is running]

  • Engine warm-up condition

  • Revving engine from idle to 4,000 rpm quickly

 1.78 V

Is the inspection result normal?

YES>>

INSPECTION END

NO>>

Replace high pressure fuel pump. Refer to Removal and Installation.

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