Nissan Armada 2025-2026 Service and Repair Manual: Diagnosis Procedure
PERFORM ECM SELF-DIAGNOSIS
With CONSULT
Perform self-diagnosis for “ECM”.
Is any DTC detected?
YES >>Check DTC detected item. Refer to DTC Index.
NO>>GO TO 2.
PERFORM SELF-DIAGNOSIS
With CONSULT
Perform self-diagnosis for "AWD/4WD".
Is any DTC detected?
YES>>Check the DTC Refer to DTC Index.
NO>>GO TO 3
CHECK TRANSFER INTERNAL FUNCTION
Perform mode switching from AUTO to 4H.
Has the mode switching been completed?
YES>>Perform writing of the unit parameter and end the diagnosis. Refer to Work Procedure.
NO>>Transfer assembly is mechanical malfunction. Replace transfer assembly. Refer to Removal and Installation.
Heavy Tight-Corner Braking Symptom Occurs
Heavy tight-corner braking symptom occurs when the vehicle is driven and the steering wheel is turned fully to either side after the engine is started.
NOTE:
Light tight-corner braking symptom may occ ...
4wd Mode Does Not Change
Vehicle does not enter 4-wheel drive mode even though 4WD warning turned to OFF. ...
Other materials:
Exploded View
Front bumper fascia Grommet Front grille upper Front grille Front emblem Front camera : Clip : Pawl : Indicate that the part is connected at points with same symbol in actual vehicle. ...
Work Flow
DETAILED FLOW
INTERVIEW FROM THE CUSTOMER
CAUTION:
>>
GO TO 2.
CHECK SYMPTOM
CAUTION:
>>
GO TO 3.
PERFORM THE SELF-DIAGNOSIS
With CONSULT
Ignition switch OFF (Auto ACC function OFF) to ON.
Perform self-diagnosis for “ABS”.
Is DTC detected?
YES>>
Record or print self-di ...
Exploded View
Rear final drive assembly Side oil seal : Vehicle front : Always replace after every disassembly. ...
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