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:

    Insufficient heating
    Description Symptom • Insufficient heating • No warm air comes out. (Air flow volume is normal.) Diagnosis Procedure NOTE: Perform self-diagnosis with CONSULT-III before performing symptom diagnosis. If any malfunction result or DTC is detected, perform the corresponding diagnosis. 1.CHE ...

    P1611 ID discord, IMMU-ECM
    DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1.PERFORM DTC CONFIRMATION PROCEDURE 1. Turn ignition switch ON. 2. Check DTC in “Self Diagnostic Result” mode of “ENGINE” using CONSULT-III. Is DTC detected? YES >> Refer to SEC-193, "Diagnosis Procedure". NO > ...

    Blower motor
    Diagnosis Procedure 1.CHECK SYMPTOM Check symptom (A or B). Which symptom is detected? A >> GO TO 2. B >> GO TO 7. 2.CHECK FUSE 1. Turn ignition switch OFF. 2. Check 15A fuses (Nos. 14 and 16, located in fuse block (J/B)]. NOTE: Refer to PG-22, "Fuse, Connector and ...