Nissan Juke Service and Repair Manual : P0197, P0198 EOT sensor

DTC Logic

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE


DTC CONFIRMATION PROCEDURE

1.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.

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 EC-643, "Diagnosis Procedure".

NO >> INSPECTION END

Diagnosis Procedure

1.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.

Is the inspection result normal?


Is the inspection result normal? YES >> GO TO 3.

NO >> GO TO 2.

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.

4. Also check harness for short to ground.


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.

3.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.

4. Also check harness for short to power.


4. Also check harness for short to power.

Is the inspection result normal? YES >> GO TO 4.

NO >> Repair or replace error-detected parts.

4.CHECK ENGINE OIL TEMPERATURE SENSOR

Check the engine oil temperature sensor. Refer to EC-644, "Component Inspection".

Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-42, "Intermittent Incident".

NO >> Replace engine oil temperature sensor. Refer to EM-222, "Exploded View".

Component Inspection

1.CHECK ENGINE OIL TEMPERATURE SENSOR

1. Turn ignition switch OFF.

2. Disconnect engine oil temperature sensor harness connector.

3. Remove engine oil temperature sensor.

4. Check resistance between engine oil temperature sensor terminals by heating with hot water as shown in the figure.


Is the inspection result normal?


Is the inspection result normal? YES >> INSPECTION END

NO >> Replace engine oil temperature sensor. Refer to EM-103, "Exploded View".

    P0172 fuel injection system function
    DTC Logic DTC DETECTION LOGIC With the Air/Fuel Mixture Ratio Self-Learning Control, the actual mixture ratio can be brought closely to the theoretical mixture ratio based on the mixture ratio fe ...

    P0222, P0223 TP sensor
    DTC Logic DTC DETECTION LOGIC NOTE: If DTC P0222 or P0223 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643. Refer to EC-686, "DTC Logic". DTC CONFIRM ...

    Other materials:

    Removal and Installation
    REMOVAL 1. Separate the rear propeller shaft. Refer to DLN-121, "Removal and Installation". 2. Remove right side drive shaft. Refer to FAX-24, "RIGHT SIDE : Removal and Installation". 3. Remove catalyst convertor support bracket (RH). EM-35, "4WD : Removal and Insta ...

    Drive belt
    Checking Drive Belts WARNING: Be sure to perform when the engine is stopped. 1. Inspect belts for cracks, fraying, wear and oil. If necessary, replace. 2. Evaluate manually if the belt is enough tensioned (tension cannot be measured by way of frequency meter). CAUTION: Auto-tensioner must ...

    Precaution Necessary for Steering Wheel Rotation after Battery Disconnect
    NOTE: Х Before removing and installing any control units, first turn the ignition switch to the LOCK position, then disconnect both battery cables. Х After finishing work, confirm that all control unit connectors are connected properly, then re-connect both battery cables. Х Always use CONS ...