Nissan Armada 2025-2026 Service and Repair Manual: Work Flow
OVERALL SEQUENCE
DETAILED FLOW
GET INFORMATION FOR SYMPTOM
Check operation condition of the function that is malfunctioning.
GO TO 2.
CHECK DTC
Check DTC.
Perform the following procedure if DTC is detected.
Record DTC and freeze frame data (Print them out using CONSULT.)
Erase DTC.
Are any symptoms described and any DTC detected?
Symptom is described, DTC is detected>>GO TO 3.
Symptom is described, DTC is not detected>>GO TO 4.
Symptom is not described, DTC is detected>>GO TO 5.
CONFIRM THE SYMPTOM
Try to confirm the symptom described by the customer.
Also study the normal operation and fail-safe related to the symptom.
>>GO TO 5.
CONFIRM THE SYMPTOM
Try to confirm the symptom described by the customer.
>>GO TO 6.
PERFORM DTC CONFIRMATION PROCEDURE
If two or more DTCs are detected, refer to DTC Inspection Priority Chart and determine trouble diagnosis order.
NOTE:
Freeze frame data is useful if the DTC is not detected.
Is DTC detected?
YES>>GO TO 7.
NO>>Check according to Intermittent Incident.
DETECT MALFUNCTIONING SYSTEM BY SYMPTOM DIAGNOSIS
Is the symptom described?
YES>>GO TO 7.
NO>>DETECT MALFUNCTIONING PART BY DIAGNOSIS PROCEDURE
Inspect according to Diagnosis Procedure of the system.
Is malfunctioning part detected?
YES>>GO TO 8.
NO>>Check according to Intermittent Incident.
REPAIR OR REPLACE THE MALFUNCTIONING PART
Repair or replace the malfunctioning part.
Check DTC. If DTC is detected, erase it.
GO TO 9.
FINAL CHECK
Is DTC detected and does symptom remain?
YES-1>>DTC is detected: GO TO 7.
YES-2>>Symptom remains: GO TO 4.
NO>>Before returning the vehicle to the customer, always erase DTC.
Additional Service When Replacing Ecm
Performing the following procedure can automatically activate recommunication of ECM and Intelligent Key unit, but only when the ECM is replaced with a new one*. For details, refer to Work Procedure.
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Other materials:
Frame Vehicle Construction
(1) FEATURES OF FRAME TYPE VEHICLE
The body is bolted to the frame via rubber bushings. Unlike uni-bodies, the suspensions and power train units are assembled to independent frames. The frames support the weights of these components and absorb any incoming impact from outside, providing a structure ...
Work Procedure (Group A)
*1: When the same malfunction is detected in two consecutive trips, MIL will illuminate.
CHECK DTC
Check DTC.
Is any DTC detected?
YES>>
Repair malfunction(s) and erase DTC.
NO>>
GO TO 2 .
CHECK PERMANENT DTC
With CONSULT
Ignition switch OFF and wait at least 10 seconds.
Ignitio ...
Work Procedure
FUEL PRESSURE RELEASE
FUEL PRESSURE RELEASE
Remove fuel pump fuse.
NOTE:
For the fuse number, Refer to Wiring Diagram.
For the fuse arrangement.
Start engine.
After engine stalls, crank it two or three times to release all fuel pressure.
Ignition switch OFF.
Reinstall fuel pump fuse after servicing ...
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