Nissan Rogue (T33) 2021-Present Service Manual: U0652 Sent Communication

Nissan Rogue (T33) 2021-Present Service Manual / Engine :: Engine Control System / Kr15ddt :: Dtc/circuit Diagnosis / U0652 Sent Communication

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen terms

(Trouble diagnosis content) 		DTC detecting condition
U0652 00

Lost communication (EGR sensor B)

(Lost Communication With EGR Sensor "B") 		Diagnosis condition Ignition switch: ON
Signal (terminal) EGR differential pressure sensor signal
Threshold ECM cannot receive the SENT communication signal from EGR differential pressure sensor.
Diagnosis delay time —

POSSIBLE CAUSE

  • Harness or connectors (EGR differential pressure sensor circuit is open.)

  • EGR differential pressure sensor

FAIL-SAFE

Engine Control System

Fail safe mode Nissan Ariya Vehicle behavior
Device fix mode

  • This mode fixes the electric IVT control actuator and the EVT control solenoid valve in the reference position.

  • A control signals is not transmitted to the EGR volume control valve and the EGR volume control is deactivated.

Stop/Start System

Not applicable

DTC Confirmation Procedure

PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

  1. Turn ignition switch OFF and wait at least 10 seconds.

  2. Turn ignition switch ON.

  3. Turn ignition switch OFF and wait at least 10 seconds.

>>

GO TO 2 .

CHECK DTC PRIORITY

  1. Turn ignition ON.

  2. Check DTC.

Is DTC detected?

YES>>

Proceed to DTC Diagnosis Procedure.

NO-1>>

To check malfunction symptom before repair: Refer to Intermittent Incident .

NO-2>>

Confirmation after repair: INSPECTION END

DTC Diagnosis Procedure

CHECK EGR DIFFERENTIAL PRESSURE SENSOR POWER SUPPLY

  1. Turn ignition switch OFF.

  2. Disconnect EGR differential pressure sensor harness connector.

  3. Turn ignition switch ON.

  4. Check the voltage between EGR differential pressure sensor harness connector and ground.

    + −

    Voltage

    (Approx.)
    EGR differential pressure sensor
    Connector Terminal
    F89 3 Ground 5 V

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

Perform the trouble diagnosis for power supply circuit.

CHECK EGR DIFFERENTIAL PRESSURE SENSOR GROUND CIRCUIT

  1. Turn ignition switch OFF.

  2. Disconnect ECM harness connector.

  3. Check the continuity between EGR differential pressure sensor harness connector and ECM harness connector.

    EGR differential pressure sensor ECM Continuity
    Connector Terminal Connector Terminal
    F89 1 F71 106 Existed

  4. Also check harness for short to power.

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair or replace error-detected parts.

CHECK EGR DIFFERENTIAL PRESSURE SENSOR SIGNAL CIRCUIT

  1. Check the continuity between EGR differential pressure sensor harness connector and ECM harness connector.

    EGR differential pressure sensor ECM Continuity
    Connector Terminal Connector Terminal
    F89 2 F71 93 Existed

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

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Repair or replace error-detected parts.

CHECK EGR DIFFERENTIAL PRESSURE SENSOR

Check EGR differential pressure sensor. Refer to Component Inspection.

Is the inspection result normal?

YES>>

Check intermittent incident. Refer to Intermittent Incident.

NO>>

Repair or replace error-detected parts.

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