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

Work Flow

DETAILS OF TROUBLE DIAGNOSIS FLOWCHART

COLLECT THE INFORMATION FROM THE CUSTOMER

It is also important to clarify customer concerns before starting the inspection. First of all, perform an interview utilizing Diagnostic Work Sheet and reproduce the symptom as well as fully understand it. Depending on the situations, drive the vehicle with the customer and check the symptom.

CAUTION:

Customers are not professionals. 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 mode. 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

  1. Ignition switch OFF. (Auto ACC function OFF) to ON.

    CAUTION:

    Be sure wait of 10 seconds after ignition switch OFF (Auto ACC function OFF) or ON.

  2. Operate (push/pull) parking brake switch.

    CAUTION:

    • Set the electric shift selector in the P position.

    • Depress the brake pedal.

  3. Perform self-diagnosis for “ABS”.

Is DTC detected?

YES>>

Record or print self-diagnosis results and freeze frame data (FFD). GO TO 4.

NO>>

GO TO 5.

REPAIR OR REPLACE ERROR-DETECTED PART

  1. Repair or replace error-detected parts.

  2. Reconnect part or connector after repairing or replacing.

  3. When DTC is detected, erase self-diagnostic result for “ABS”.

    CAUTION:

    Be sure wait of 10 seconds after ignition switch OFF or ON.

>>

GO TO 5.

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 6.

NO>>

Check harness and connectors based on the information obtained by interview. Refer to Intermittent Incident.

FINAL CHECK

With CONSULT

  1. Check the reference value for “ABS”. Refer to Reference Value.

  2. Perform self-diagnosis for “ABS”.

Is DTC detected?

YES-1>>

"CRNT" is displayed: Check the DTC. Refer to DTC Index.

YES-2>>

“PAST” is displayed: INSPECTION END (Erase the memory of self-diagnosis results.)

NO>>

INSPECTION END

Diagnostic Work Sheet

DESCRIPTION

  • In some cases, multiple conditions that appear simultaneously may cause a DTC to be detected.

INTERVIEW SHEET SAMPLE

Interview sheet
Customer name MR/MS Registration number Initial year registration
vehicle type VIN
Storage date Engine Mileage km ( Mile)
Situation where malfunction is occurred Malfunction category

□ Unable to brake    □ Unable to release    □ Generates abnormal sound

□ vehicle does not stop despite braking operation

□ Parking brake continues breaking despite release operation

□ Hooked at automatic release operation

□ vehicle slides down at automatic release operation

□ Electric parking brake warning lamp does not turns ON

□ Electric parking brake warning lamp keep turns ON

□ Electric parking brake warning lamp blinks

□ Brake system warning lamp does not turn ON

□ Brake system warning lamp keep turns ON

□ Brake system warning lamp blink

□ Master warning lamp turns ON

□ A text displayed on combination meter
Detailed symptom
Detailed abnormal sound
Electric shift selector position □ P    □ R    □N    □ D
Seat belt operation □ OFF   □ ON
Brake pedal status □ Not depress     □ Depress
Parking brake status

□ At release operation   □ At braking operation   □ During release

□ During braking      □ Continuously
vehicle status □ Ignition switch OFF  □ Ignition switch ON
vehicle running status

□ At start with shift in D-range

□ While driving with shift in D-range

□ When stopped with shift in D-range 

□ At start with shift in R-range

□ While driving with shift in R-range

□ When stopped with shift in R-range 

□ When stopped with shift in N-range 

□ When stopped with shift in P-range

□ Low speed (while driving)

□ Normal speed (while driving)

□ High speed (while driving)
Road condition

□ Steep downhill road  □ Gentle downhill road

□ Flat road

□ Gentle uphill road   □ Steep uphill road
Number of occupants □ 5   □ 4   □ 3   □ 2   □ 1
vehicle loading condition (quantity)
Mechanical release history
Inspection result Self-diagnosis result
12V battery condition □ Normal  □ Abnormal (                 )  □ Not confirmed
Harness and connector condition □ Normal  □ Abnormal (                 )  □ Not confirmed
Brake caliper assembly condition □ Normal  □ Abnormal (                 )  □ Not confirmed
Rear brake pad condition □ Normal  □ Abnormal (                 )  □ Not confirmed
Rear disc rotor condition □ Normal  □ Abnormal (                 )  □ Not confirmed
Other condition
    Other materials

    Basic information
    CAUTION Always use the Nissan Armada power outlets with the engine running to prevent battery discharge. Avoid using the power outlets simultaneously with high electrical loads such as air conditioning, headlights, or defrosters. Ensure all connected devices are turned OFF before plugg ...

    Radiator
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    Sensor Rotor
    Front Sensor Rotor Removal and Installation WARNING: Jacking up or lift up the vehicle may the vehicle height to go down which cause a personal injury and/or damage to the air suspension component parts. Refer to Precaution for when Jacking and Lifting Up the vehicle with Electronic Air Suspensio ...