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

Flowchart of Trouble Diagnosis

NOTE

:
DTC includes DTC at the 1st trip.

1.OBTAIN INFORMATION ABOUT SYMPTOM

1. Refer to TM-372, "Question sheet" and interview the customer to obtain the malfunction information (conditions and environment when the malfunction occurred) as much as possible when the customer brings in the vehicle.

2. Check the following:
- Service history
- Malfunction of harness and connector. GI-42, "Intermittent Incident".

>> GO TO 2.

2.CHECK DTC

1. Before checking the malfunction, check whether any DTC exists.

2. If DTC exists, perform the following operations.

- Records the DTCs. (Print out using CONSULT-III and affix to the Work Order Sheet.)
- Erase DTCs.

- Check the relation between the cause found by DTC and the malfunction information from customer. TM- 475, "Symptom Table" can be used effectively.

3. Check the relevant information including STI, etc.

Do malfunction information and DTC exist? Malfunction information and DTC exist.>>GO TO 3.

Malfunction information exists but no DTC.>>GO TO 4.

No malfunction information, but DTC exists.>>GO TO 5.

3.REPRODUCE MALFUCTION SYSTEM

Check the malfunction described by the customer on the vehicle.

Check if the behavior is fail safe or normal operation. Refer toTM-362, "Fail-Safe".

Interview sheet can be used effectively when reproduce malfunction conditions. Refer to TM-372, "Question sheet".

Verify the relationship between the symptom and the conditions in which the malfunction described by the customer occurs.

>> GO TO 5.

4.REPRODUCE MALFUNCTION SYMPTOM

Check the malfunction described by the customer on the vehicle.

Check if the behavior is fail safe or normal operation. Refer toTM-362, "Fail-Safe".

Interview sheet can be used effectively when reproduce malfunction conditions.TM-372, "Question sheet".

Verify the relationship between the symptom and the conditions in which the malfunction described by the customer occurs.

>> GO TO 6.

5.PERFORM DTC CONFIRMATION PROCEDURE

Perform DTC CONFIRMATION PROCEDURE of the appropriate DTC to check if DTC is detected again.

Refer to TM-365, "DTC Inspection Priority Chart" when multiple DTCs are detected, and then determine the order for performing the diagnosis.

Is any DTC detected? YES >> GO TO 7.

NO >> Follow GI-42, "Intermittent Incident" to chec

6.IDENTIFY MALFUNCTIONING SYSTEM WITH DIAGNOSIS CHART BY SYMPTOM

Use TM-475, "Symptom Table" from the symptom inspection result in step 4. Then identify where to start performing the diagnosis based on possible causes and symptoms.

>> GO TO 8.

7.REPAIR OR REPLACE THE MALFUNCTIONING PARTS

Repair or replace the detected malfunctioning parts.

Reconnect parts or connector after repairing or replacing, and then erase DTC if necessary.

>> GO TO 8.

8.FINAL CHECK

Perform DTC CONFIRMATION PROCEDURE again to make sure that the repair is correctly performed.

Check that malfunctions are not reproduced when obtaining the malfunction information from the customer, referring to the symptom inspection result in step 3 or 4.

Is DTC or malfunction symptom reproduced? YES-1 (DTC is reproduced.)>>GO TO 5.

YES-2 (Malfunction is reproduced.)>>GO TO 6.

NO >> Before delivering the vehicle to the customer, make sure that DTC is erased.

Question sheet

DESCRIPTION

There are many operating conditions that may cause a malfunction of the transmission parts. By understanding those conditions properly, a quick and exact diagnosis can be achieved.

In general, perception of a problem varies depending on individuals.

Ask the customer about his/her concerns carefully. It is important to understand the phenomenon or status. To systemize all the information for the diagnosis, prepare the question sheet referring to the question points.

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

Worksheet Sample


Worksheet Sample


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