Nissan Armada 2025-2026 Service and Repair Manual: Work Flow

OVERALL SEQUENCE

DETAILED FLOW

GET INFORMATION FOR SYMPTOM

1. Get detailed information from the customer about the symptom (the condition and the environment when the incident/malfunction occurs).
2. Check operation condition of the function that is malfunctioning.

>>

GO TO 2.

CHECK DTC

1. Check DTC.
2. Perform the following procedure if DTC is detected.
   • Record DTC and freeze frame data (Print them out using CONSULT.)
   • Erase DTC.
   • Study the relationship between the cause detected by DTC and the symptom described by the customer.

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

NOTE:

• Freeze frame data is useful if the DTC is not detected.

Is DTC detected?

YES>>

GO TO 7.

NO>>

Refer 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>>

Refer to Intermittent Incident.

REPAIR OR REPLACE THE MALFUNCTIONING PART

1. Repair or replace the malfunctioning part.
2. Reconnect parts or connectors disconnected during Diagnosis Procedure again after repair and replacement.
3. Check DTC. If DTC is detected, erase it.

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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.