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
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
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
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
Basic inspection
...
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:
B2636, B2637, B2638, B2639, B2654, B2655 mode door motor
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT-III
1. Turn ignition switch ON.
2. Select “Self Diagnostic Result” mode of “HVAC” using CONSULT-III.
3. Check DTC.
Is DTC detected?
YES >> Refer to HAC-157, "Diagnosis P ...
Fuel tank
2WD : Exploded View
1. Fuel filler cap
2. Grommet
3. Fuel filler tube
4. EVAP canister hose
5. Fuel tank mounting band (RH)
6. Fuel tank mounting band (LH)
7. Fuel tank
8. Clamp
9. Fuel filler hose
10. Vent hose
Vehicle front
: N?·m (kg-m, ft-lb)
2WD : Removal and Installation
...
Automatic speed control device (ASCD)
Automatic speed control device (ASCD)
: System Diagram
Automatic speed control device (ASCD)
: System Description
INPUT/OUTPUT SIGNAL CHART
*1: M/T models
*2: CVT models
BASIC ASCD SYSTEM
Refer to Owner's Manual for ASCD operating instructions.
Automatic Speed Control Device (ASCD) a ...