Nissan Juke Service and Repair Manual : Diagnosis and repair work flow

Work Flow

DETAILED FLOW

1.INTERVIEW FROM THE CUSTOMER

Clarify customer complaints before inspection. First of all, perform an interview utilizing DLN-37, "Diagnostic Work Sheet" and reproduce symptoms as well as fully understand it. Ask customer about his/her complaints carefully. Check symptoms by driving vehicle with customer, if necessary.

CAUTION:
Customers are not professional. Never guess easily like “maybe the customer means that...,” or “maybe the customer mentions this symptom

”.

>> GO TO 2.

2.CHECK SYMPTOM

Reproduce the symptom that is indicated by the customer, based on the information from the customer obtained by interview. Also check that the symptom is not caused by protection function. Refer to DLN-32, "Protection Function".

CAUTION:
When the symptom is caused by normal operation, fully inspect each portion and obtain the understanding of customer that the symptom is not caused by a malfunction.

>> GO TO 3.

3.PERFORM SELF-DIAGNOSIS

Perform self-diagnosis for “ALL MODE AWD/4WD”.With CONSULT-III


Perform self-diagnosis for “ALL MODE AWD/4WD”.

Is any DTC detected? YES >> Record or print self-diagnosis results. GO TO 4.

NO >> GO TO 6.

4.RECHECK SYMPTOM

1. Erase self-diagnostic results for “ALL MODE AWD/4WD”.With CONSULT-III


1. Erase self-diagnostic results for “ALL MODE AWD/4WD”.

2. Perform DTC confirmation procedures for the error detected system.

NOTE

:
If some DTCs are detected at the same time, determine the order for performing the diagnosis based on DLN- 33, "DTC Inspection Priority Chart".

Is any DTC detected? YES >> GO TO 5.

NO >> Check harness and connectors based on the information obtained by interview. Refer to GI-42, "Intermittent Incident".

5.REPAIR OR REPLACE ERROR-DETECTED PARTS

• Repair or replace error-detected parts.

• Reconnect part or connector after repairing or replacing.

• When DTC is detected, erase self-diagnostic results for “ALL MODE AWD/4WD”.

>> GO TO 7.

6.IDENTIFY ERROR-DETECTED SYSTEM BY SYMPTOM DIAGNOSIS

Estimate error-detected system based on symptom diagnosis and perform inspection.

Can the error-detected system be identified?

YES >> GO TO 7.

NO >> Check harness and connectors based on the information obtained by interview. Refer to GI-42, "Intermittent Incident".

7.FINAL CHECK

1. Check the reference value for 4WD control unit.With CONSULT-III


1. Check the reference value for 4WD control unit.

2. Recheck the symptom and check that symptom is not reproduced on the same conditions.

Is the symptom reproduced? YES >> GO TO 3.

NO >> INSPECTION END

Diagnostic Work Sheet

Description
• In general, customers have their own criteria for a problem. Therefore, it is important to understand the symptom and status well enough by asking the customer about his/her concerns carefully. To systemize all the information for the diagnosis, prepare the interview sheet referring to the interview points.

• In some cases, multiple conditions that appear simultaneously may cause a DTC to be detected.

Interview sheet sample


Writing unit parameter


    Writing unit parameter
    Description Perform writing unit parameter of electric controlled coupling after replacing 4WD control module, rear final drive assembly or electric controlled coupling. Refer to DLN-39, "Wor ...

    Other materials:

    P0841 transmission fluid pressure SEN/SW A
    Description Using the engine load (throttle position), the primary pulley revolution speed, and the secondary pulley revolution speed as input signal, TCM changes the operating pressure of the primary pulley and the secondary pulley and changes the groove width of the pulley to control the ge ...

    Keyfob
    Replace the battery in the keyfob as follows: 1. Remove the screw. 2. Insert a small screwdriver into the slit of the corner and twist it to separate the upper part from the lower part. Use a cloth to protect the casing. 3. Replace the battery with a new one. Recommended battery: CR1620 or eq ...

    A-bag branch line circuit
    Diagnosis Procedure WARNING: • Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait 3 minutes or more. (To discharge backup capacitor.) • Never use unspecified tester or other measuring device. 1.CHECK CONNECTOR 1. Turn the ignition switch OFF. 2. Disco ...