Nissan Rogue (T33) 2021-Present Service Manual: P040c Egr Temperature Sensor

Nissan Rogue (T33) 2021-Present Service Manual / Engine :: Engine Control System / Kr15ddt :: Dtc/circuit Diagnosis / P040c Egr Temperature Sensor

DTC Description

DTC DETECTION LOGIC

DTC

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
P040C 00

EGR TEMP SENSOR A

(EGR temperature sensor A circuit low) 		Diagnosis condition —
Signal (terminal) —
Threshold ECM detects that a voltage signal from EGR temperature sensor is less than 0.04 V for 5 consecutive seconds.
Diagnosis delay time —

POSSIBLE CAUSE

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

  • EGR temperature 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 P040C 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 10 V or more at ignition switch ON.

>>

GO TO 3.

PERFORM DTC CONFIRMATION PROCEDURE

  1. Turn ignition switch ON and wait at least 5 seconds.

  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 P040C 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 TEMPERATURE SENSOR

With CONSULT

  1. Turn ignition switch ON.

  2. Select “EGR TEMP SEN” in “DATA MONITOR” mode of “ENGINE” using CONSULT.

  3. Start engine and warm it up to normal operating temperature.

  4. Check that “EGR TEMP SEN” indication as follows.

    Monitor item Condition Value
    EGR TEMP SEN

    • Warm-up condition

    • Idle speed

    		 1,100 – 4,500 mV

Without CONSULT

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

  2. Check that voltage between ECM harness connector terminals as follows.

    ECM Condition Voltage
    Connector + Connector −
    Terminal Terminal
    F71 104 F71 102

    • Warm-up condition

    • Idle speed

    		 1.1 – 4.5 V

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Replace EGR temperature sensor. Refer to Exploded View.

CHECK EGR TEMPERATURE SENSOR POWER SUPPLY

  1. Turn ignition switch OFF.

  2. Disconnect EGR temperature sensor harness connector.

  3. Turn ignition switch ON.

  4. Check the voltage between EGR temperature sensor harness connector terminal and ground.

    + −

    Voltage

    (Approx.)
    EGR temperature sensor
    Connector Terminal
    F28 1 Ground 5 V

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

GO TO 5.

CHECK EGR TEMPERATURE SENSOR GROUND CIRCUIT

  1. Turn ignition switch OFF.

  2. Disconnect ECM harness connector.

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

    + − Continuity
    EGR temperature sensor ECM
    Connector Terminal Connector Terminal
    F28 2 F71 102 Existed

  4. Also check harness for short to power.

Is the inspection result normal?

YES>>

Check intermittent incident. Refer to Intermittent Incident.

NO>>

Repair or replace error-detected parts.

CHECK EGR TEMPERATURE SENSOR POWER SUPPLY CIRCUIT

  1. Turn ignition switch OFF.

  2. Disconnect ECM harness connector.

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

    + − Continuity
    EGR temperature sensor ECM
    Connector Terminal Connector Terminal
    F28 1 F71 104 Existed

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

Is the inspection result normal?

YES>>

Perform the trouble diagnosis for ECM power supply circuit. Refer to Diagnosis Procedure.

NO>>

Repair or replace error-detected parts.

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