Nissan Armada 2025-2026 Service and Repair Manual: Work Flow
DETAILED FLOW
INTERVIEW FROM THE CUSTOMER
Clarify customer complaints before inspection. First of all, perform an interview utilizing 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.
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 fail-safe function. Refer to Fail-Safe.
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.
PERFORM SELF-DIAGNOSIS
With CONSULT
Perform self-diagnosis for “AWD/4WD”.
Is any DTC detected?
YES>>Record or print self-diagnosis results. GO TO 4.
NO>>GO TO 6.
RECHECK SYMPTOM
With CONSULT
Erase self-diagnostic results for “AWD/4WD”.
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 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 Intermittent Incident.
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 “AWD/4WD”.
GO TO 7.
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 5.
NO >>FINAL CHECK
With CONSULT
Check the reference value for “AWD/4WD”.
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 caref ...
Other materials:
Symptom Table
NOTE:
Perform self-diagnoses with CONSULT before performing the symptom diagnosis. If any DTC is detected, perform the corresponding diagnosis.
Symptom Corresponding malfunction part Check item/Reference Rear air conditioning system does not activate. Rear A/C switch Display unit operation Che ...
Inspection
WARNING:
MOUNTING INSPECTION
Check the mounting conditions (looseness, back lash) of each component and component conditions (wear, damage) are normal.
WHEEL BEARING INSPECTION
Move wheel hub and bearing assembly in the axial direction by hand. Check there is no looseness of wheel hub and bearing as ...
Precautions for Removing Battery Terminal
NOTE:
NOTE:
NOTE:
The removal of 12V battery may cause a DTC detection error.
HOW TO DISCONNECT 12V BATTERY TERMINAL
Disconnect 12V battery terminal according to instruction described below.
Open the hood.
Turn ignition switch to the ON position.
Turn ignition switch to the OFF position with the d ...
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