Nissan Rogue (T33) 2021-Present Service Manual: P0198 Eot Sensor

Nissan Rogue (T33) 2021-Present Service Manual / Engine :: Engine Control System / Kr15ddt :: Dtc/circuit Diagnosis / P0198 Eot Sensor

DTC Description

DTC DETECTION LOGIC

DTC

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
P0198 00

EOT SEN/CIRK

(Engine oil temperature sensor A circuit high) 		Diagnosis condition Engine running at idle
Signal (terminal) Engine oil temperature sensor signal
Threshold An excessively high voltage from the sensor is sent to ECM
Diagnosis delay time —

POSSIBLE CAUSE

  • Harness or connectors (The EOT sensor circuit is open or shorted.)

  • Engine oil temperature sensor

FAIL-SAFE

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.

PERFORM DTC CONFIRMATION PROCEDURE

  1. Start engine 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 ENGINE OIL TEMPERATURE SENSOR POWER SUPPLY

  1. Turn ignition switch OFF.

  2. Disconnect engine oil temperature (EOT) sensor harness connector.

  3. Turn ignition switch ON.

  4. Check the voltage between EOT sensor harness connector and ground.

    + −

    Voltage

    (Approx.)
    EOT sensor
    Connector Terminal
    F68 1 Ground 5 V

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

GO TO 2.

CHECK ENGINE OIL TEMPERATURE SENSOR POWER SUPPLY CIRCUIT

  1. Turn ignition switch OFF.

  2. Disconnect ECM harness connector.

  3. Check the continuity between EOT sensor harness connector and ECM harness connector.

    + − Continuity
    EOT sensor ECM
    Connector Terminal Connector Terminal
    F68 1 F71 95 Existed

  4. Also check harness for short to ground.

Is the inspection result normal?

YES>>

Perform the trouble diagnosis for power supply circuit.

NO>>

Repair or replace error-detected parts.

CHECK EOT SENSOR GROUND CIRCUIT

  1. Turn ignition switch OFF.

  2. Disconnect ECM harness connector.

  3. Check the continuity between EOT sensor harness connector and ECM harness connector.

    + −

    Continuity
    EOT sensor ECM
    Connector Terminal Connector Terminal
    F68 2 F71 107 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 ENGINE OIL TEMPERATURE SENSOR

Check the engine oil temperature sensor. Refer to Component Inspection.

Is the inspection result normal?

YES>>

Check intermittent incident. Refer to Intermittent Incident.

NO>>

Replace engine oil temperature sensor. Refer to Exploded View.

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