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Nissan Armada 2025-2026 Service and Repair Manual: Inspection

Nissan Armada 2025-2026 Service and Repair Manual / Ventilation, Heater & Air Conditioner / Heater & Air Conditioning System — Basic Inspection / Performance Test / Inspection

INSPECTION PROCEDURE

  1. Connect recovery/recycling/recharging equipment (for HFO-1234yf) or manifold gauge.

  2. Start the engine, and set to the following condition.

    Test condition
    Surrounding condition

    Indoors or in the shade

    (in a well-ventilated place)
    Vehicle condition Door Closed
    Door glass Full open
    Hood Open
    Engine speed Idle speed

    A/C condition

    (front/rear)     		Temperature control switch or dial Full cold
    A/C switch ON
    Air outlet VENT (ventilation)
    Intake door position Recirculation
    Fan (blower) speed Maximum speed set

  3. Maintain test condition until A/C system becomes stable (Approximately 10 minutes).

  4. Check that test results of “recirculating-to-discharge air temperature” and “ambient air temperature-to-operating pressure” are within the specified value.

  5. When test results are within the specified value, inspection is complete.

    If any of test result is out of the specified value, perform diagnosis by gauge pressure. Refer to Symptom Table.

RECIRCULATING-TO-DISCHARGE AIR TEMPERATURE TABLE

Front

Inside air (Recirculating air)

at blower assembly inlet

Discharge air temperature

from center ventilator

°C (°F)

Relative humidity

%

Air temperature

°C (°F)
50 – 60 20 (68) 7.9 - 10.1 (46.2 - 50.2)
25 (77) 11.4 - 14.0 (52.5 - 57.2)
30 (86) 14.0 - 17.0 (57.2 - 62.6)
35 (95) 19.4 - 23.0 (66.9 - 73.4)
60 – 70 20 (68) 10.1 - 12.3 (50.2 - 54.1)
25 (77) 14.0 - 16.6 (57.2 - 61.9)
30 (86) 17.0 - 20.0 (62.6 - 68.0)
35 (95) 23.0 - 26.6 (73.4 - 79.9)

Rear

Inside air (Recirculating air)

at blower assembly inlet

Discharge air temperature

from rear ventilator

°C (°F)

Relative humidity

%

Air temperature

°C (°F)
50 – 60 20 (68) 10.0 - 11.9 (50.0 - 53.4)
25 (77) 12.5 - 15.0 (54.5 - 59.0)
30 (86) 15.7 - 18.4 (60.3 - 65.1)
35 (95) 20.6 - 24.0 (69.1 - 75.2)
60 – 70 20 (68) 11.9 - 13.9 (53.4 - 57.0)
25 (77) 15.0 - 17.4 (59.0 - 63.3)
30 (86) 18.4 - 21.1 (65.1 - 70.0)
35 (95) 24.0 - 27.4 (75.2 - 81.3)

AMBIENT AIR TEMPERATURE-TO-OPERATING PRESSURE TABLE

Fresh air

High-pressure

(Discharge side)

kPa (kg/cm2, psi)

Low-pressure

(Suction side)

kPa (kg/cm2, psi)

Relative humidity

%

Air temperature

°C (°F)
50 – 60 25 (77)

890 - 990

(9.1 - 10.1, 129.1 - 143.6)

240 - 270

(2.4 - 2.8, 34.8 - 39.2)
30 (86)

1,110 - 1,230

(11.3 - 12.5, 161.0 - 178.4)

290 - 330

(3.0 - 3.4, 42.1 - 47.9)
35 (95)

1,200 - 1,330

(12.2 - 13.6, 174.0 - 192.9)

310 - 350

(3.2 - 3.6, 45.0 - 50.8)
45 (113)

1,410 - 1,560

(14.4 - 15.9, 204.5 - 226.2)

380 - 420

(3.9 - 4.3, 55.1 - 60.9)
60 – 70 25 (77)

990 - 1,090

(10.1 - 11.1, 143.6 - 158.1)

270 - 300

(2.8 - 3.1, 39.2 - 43.5)
30 (86)

1,230 - 1,350

(12.5 - 13.8, 178.4 - 195.8)

330 - 360

(3.4 - 3.7, 47.9 - 52.2)
35 (95)

1,330 - 1,460

(13.6 - 14.9, 192.9 - 211.7)

350 - 380

(3.6 - 3.9, 50.8 - 55.1)
45 (113)

1,560 - 1,720

(15.9 - 17.5, 226.2 - 249.4)

420 - 460

(4.3 - 4.7, 60.9 - 66.7)
Performance Test
...

Heater & Air Conditioning System — Symptom Diagnosis
...

Other materials:

Exploded View
Front LH wheel sensor Bracket Steering knuckle : Vehicle front : N·m (kg-m, in-lb) NOTE: Front RH wheel sensor is symmetrically opposite of LH. ...

ROAD WHEEL TIRE : Exploded View
Tire Air valve Wheel : For non-reusable parts, refer to the TPMS configuration diagram. Refer to TIRE PRESSURE SENSOR : Exploded View. : N·m (kg-m, ft-lb) ...

EXHAUST SYSTEM : Removal & Installation
WARNING: REMOVAL Remove spare tire. Refer to Removal & Installation. Remove rear muffler with the following procedure: Loosen the mounting nut of the mounting bracket . CAUTION: Be careful not to hit the rear muffler with the tool. Remove mounting rubber 1 and rear muffler from the vehicle ...

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