Nissan Armada 2025-2026 Service and Repair Manual: Diagnosis Procedure

PERFORM "ALL SELF-DIAGNOSIS"

With CONSULT

Perform “All DTC Reading” using CONSULT.

Is any DTC detected?

YES>>

GO TO 2.

NO>>

GO TO 3.

REPAIR MALFUNCTIONING PARTS

1. Repair all detected DTCs according to the diagnosis procedure.

2. Perform “All DTC Reading” using CONSULT again.

3. Check that DTC is not detected.

>>

GO TO 3.

CONFIRM CONTROL UNIT FOR SOFTWARE UPDATE

Check the reprogramming data and identify the control unit for software update.

NOTE:

Software updates may target multiple control units at once.

>>

GO TO 4.

PERFORM "REPROGRAMMING"

With CONSULT

Perform "Reprogramming" the control unit to be updated using CONSULT.

CAUTION:

If there are multiple control units to be updated, reprogram all control units to be updated.

NOTE:

Refer to the CONSULT instruction manual for the "reprogramming" procedure.

Has "reprogramming" been completed?

YES>>

INSPECTION END

NO>>

GO TO 5.

REPLACE CONTROL UNIT

Replace the control unit that failed to reprogram.

CAUTION:

• Check and perform the "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT" of the control unit to be replaced.

• For "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT", refer to the removal and installation of the control unit to be replaced.

>>

GO TO 6.

SOFTWARE UPDATE

1. Touch [] → [General ] → [System] → [System Updates] on the Launch Bar to display the system update screen.

2. Touch [Software Update], and then perform software update.

Did you update the software?

YES>>

INSPECTION END

NO>>

Check the displayed message and check the malfunction part based on the "Symptom diagnosis table". Refer to Symptom Table.