Nissan Juke Service and Repair Manual : P0327, P0328 KS

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.

TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 10 V at idle.

>> GO TO 2.

2.PERFORM DTC CONFIRMATION PROCEDURE

1. Start engine and run it for at least 5 seconds at idle speed.

2. Check 1st trip DTC.

Is 1st trip DTC detected? YES >> Proceed to EC-269, "Diagnosis Procedure".

NO >> INSPECTION END

Diagnosis Procedure

1.CHECK KNOCK SENSOR GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect knock sensor harness connector.

3. Disconnect ECM harness connector.

4. Check the continuity between knock sensor harness connector and ECM harness connector.

5. Also check harness for short to power.


5. Also check harness for short to power.

Is the inspection result normal? YES >> GO TO 2.

NO >> Repair or replace error-detected parts.

2.CHECK KNOCK SENSOR INPUT SIGNAL CIRCUIT

1. Check the continuity between knock sensor harness connector and ECM harness connector.

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


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

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

NO >> Repair open circuit or short to ground or short to power in harness or connectors.

3.CHECK KNOCK SENSOR

Check the knock sensor. Refer to EC-270, "Component Inspection".

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

NO >> Replace knock sensor. Refer to EM-103, "Exploded View".

Component Inspection

1.CHECK KNOCK SENSOR

1. Turn ignition switch OFF.

2. Disconnect knock sensor harness connector.

3. Check resistance between knock sensor terminals as per the following.

NOTE

:
It is necessary to use an ohmmeter which can measure more than 10 MΩ.

CAUTION:CAUTION:


CAUTION:CAUTION: Do not use any knock sensors that have been dropped or physically damaged. Use only new ones.

Is the inspection result normal? YES >> INSPECTION END

NO >> Replace knock sensor. Refer to EM-103, "Exploded View".

Do not use any knock sensors that have been dropped or physically damaged. Use only new ones.

Is the inspection result normal? YES >> INSPECTION END

NO >> Replace knock sensor. Refer to EM-103, "Exploded View".

    P0300, P0301, P0302, P0303, P0304 misfire
    DTC Logic DTC DETECTION LOGIC When a misfire occurs, engine speed will fluctuate. If the engine speed fluctuates enough to cause the crankshaft position (CKP) sensor (POS) signal to vary, ECM can ...

    P0335 CKP sensor (POS)
    DTC Logic DTC DETECTION LOGIC NOTE: If DTC P0340 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643. Refer to EC-307, "DTC Logic". DTC CONFIRMATION PRO ...

    Other materials:

    P0097, P0098 IAT sensor 2
    DTC Logic DTC DETECTION LOGIC 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 swit ...

    Door lock actuator
    Driver side DRIVER SIDE : Component Function Check 1.CHECK FUNCTION 1. Select “DOOR LOCK” of “BCM” using CONSULT-III. 2. Select “DOOR LOCK” in “ACTIVE TEST” mode. 3. Check that the function operates normally according to the following conditions. Is the inspection result normal? YES >& ...

    Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
    The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain types of collision. Information necessary to service the system safely is include ...