Nissan Rogue (T33) 2021-Present Service Manual: P046e Egr Differential Pressure Sensor

Nissan Rogue (T33) 2021-Present Service Manual / Engine :: Engine Control System / Kr15ddt :: Dtc/circuit Diagnosis / P046e Egr Differential Pressure Sensor

DTC Description

DTC DETECTION LOGIC

DTC

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
P046E 00

EGR SENSOR B

(EGR sensor B circuit range/performance) 		Diagnosis condition —
Signal (terminal) —
Threshold

ECM detects the following status continuously for 5 seconds or more:

A difference between the output level of EGR differential pressure sensor and the differential pressure before and after EGR volume control valve calculated by ECM based on "target working factor of EGR" is bigger than specified value.
Diagnosis delay time —

POSSIBLE CAUSE

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

  • EGR differential pressure sensor

FAIL-SAFE

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.

DTC CONFIRMATION PROCEDURE

CHECK DTC PRIORITY

If DTC P046E is displayed with the following DTC, perform the trouble diagnosis for the applicable DTC.

  • P0401

  • P0402

If applicable DTC detected?

YES>>

Perform diagnosis of applicable.

  • DTC P0401: Refer to DTC Description.

  • DTC P0402: Refer to DTC Description.

NO>>

GO TO 2.

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.

TEST CONDITION:

Before performing the following procedure, confirm that battery voltage is 11 V or more at ignition switch ON.

>>

GO TO 3.

PERFORM DTC CONFIRMATION PROCEDURE-1

  1. Turn ignition switch ON.

  2. Check 1st trip DTC.

Is 1st trip DTC detected?

YES>>

Proceed to DTC Diagnosis Procedure.

NO>>

GO TO 4.

PERFORM DTC CONFIRMATION PROCEDURE-2

  1. Start the engine and warm it up to the normal operating temperature.

  2. Check 1st trip DTC.

Is 1st trip 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 DTC PRIORITY

If DTC P046E is displayed with the following DTC, perform the trouble diagnosis for the applicable DTC.

  • P0401

  • P0402

If applicable DTC detected?

YES>>

Perform diagnosis of applicable.

  • DTC P0401: Refer to DTC Description.

  • DTC P0402: Refer to DTC Description.

NO>>

GO TO 2.

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 3.

NO>>

GO TO 6.

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.

    + − Continuity
    EGR differential pressure sensor ECM
    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 4.

NO>>

Repair or replace error-detected parts.

CHECK EGR DIFFERENTIAL PRESSURE SENSOR INPUT SIGNAL CIRCUIT

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

    + − Continuity
    EGR differential pressure sensor ECM
    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 5.

NO>>

Repair or replace error-detected parts.

CHECK EGR DIFFERENTIAL PRESSURE SENSOR

Check the EGR differential pressure sensor. Refer to Component Inspection.

Is the inspection result normal?

YES>>

Check intermittent incident. Refer to Intermittent Incident.

NO>>

Replace EGR differential pressure sensor.

CHECK EGR DIFFERENTIAL PRESSURE SENSOR POWER SUPPLY 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.

    + − Continuity
    EGR differential pressure sensor ECM
    Connector Terminal Connector Terminal
    F89 3 F71 80 Existed

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

Is the inspection result normal?

YES>>

Perform the trouble diagnosis for power supply circuit.

NO>>

Repair or replace error-detected parts.

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