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Nissan Armada 2025-2026 Service and Repair Manual: Rear Automatic Air Conditioning System

Nissan Armada 2025-2026 Service and Repair Manual / Ventilation, Heater & Air Conditioner / Heater & Air Conditioning Control System / Operation Inspection / Rear Automatic Air Conditioning System

Work Procedure

DESCRIPTION

The purpose of the operation inspection is to check that the individual system operates normally.

NOTE:

Check that front automatic air conditioning system operates normally. Refer to Work Procedure.

Check condition : Engine running at normal operating temperature.

OPERATION INSPECTION (DISPLAY UNIT)

CHECK MEMORY FUNCTION

  1. Touch AUTO switch to activate rear air conditioning.

  2. Set temperature to "HI" by operating temperature control switch.

  3. Touch ON·OFF switch.

  4. Ignition switch OFF.

  5. Ignition switch ON.

  6. Touch AUTO switch.

  7. Check that the set temperature "HI" is maintained.

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

GO TO 8.

CHECK FAN SPEED

  1. Start engine.

  2. Operate fan switch and check that fan speed changes.

  3. Check operation for all fan speeds.

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

GO TO 8.

CHECK AIR OUTLET

  1. Operate fan switch to set the fan speed to maximum speed.

  2. Operate MODE VENT, FOOT switch.

  3. Check that air outlets change according to each indicated air outlet by placing a hand in front of the outlets.

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

GO TO 8.

CHECK DISCHARGE AIR TEMPERATURE

  1. Operate temperature control switch.

  2. Check that discharge air temperature changes.

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

GO TO 8.

CHECK WITH TEMPERATURE SETTING LOWERED

  1. Operate compressor.

  2. Operate temperature control switch and lower the set temperature to "LO".

  3. Check that cool air blows from the air outlets.

Is the inspection result normal?

YES>>

GO TO 6.

NO>>

GO TO 8.

CHECK TEMPERATURE INCREASE

  1. Warm up engine to the normal operating temperature.

  2. Operate temperature control switch and raise the set temperature to "HI".

  3. Check that warm air blows from the air outlets.

Is the inspection result normal?

YES>>

GO TO 7.

NO>>

GO TO 8.

CHECK AUTO MODE

  1. Touch AUTO switch.

  2. Operate temperature control switch to check that fan speed or air outlet changes (the air outlet or fan speed varies depending on the ambient temperature, in-vehicle temperature (rear side), set temperature, and etc.).

Is the inspection result normal?

YES>>

INSPECTION END

NO>>

GO TO 8.

CHECK SELF-DIAGNOSIS WITH CONSULT

  1. Perform self-diagnosis with CONSULT.

  2. Check that any DTC is detected.

Is any DTC detected?

YES>>

Refer to DTC Index, and perform the appropriate diagnosis.

NO>>

Refer to Symptom Table, and perform the appropriate diagnosis.

OPERATION INSPECTION (REAR A/C CONTROL)

CHECK MEMORY FUNCTION

  1. Press AUTO switch to activate rear air conditioning.

  2. Set temperature to "HI" by operating temperature control switch.

  3. Press ON·OFF switch.

  4. Ignition switch OFF.

  5. Ignition switch ON.

  6. Press AUTO switch.

  7. Check that the set temperature "HI" is maintained.

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

GO TO 8.

CHECK FAN SPEED

  1. Start engine.

  2. Operate fan switch and check that fan speed changes.

  3. Check operation for all fan speeds.

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

GO TO 8.

CHECK AIR OUTLET

  1. Operate fan switch to set the fan speed to maximum speed.

  2. Operate MODE VENT switch, MODE FOOT switch and MODE B/L switch.

  3. Check that air outlets change according to each indicated air outlet by placing a hand in front of the outlets.

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

GO TO 8.

CHECK DISCHARGE AIR TEMPERATURE

  1. Operate temperature control switch.

  2. Check that discharge air temperature changes.

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

GO TO 8.

CHECK WITH TEMPERATURE SETTING LOWERED

  1. Operate compressor.

  2. Operate temperature control switch and lower the set temperature to "LO".

  3. Check that cool air blows from the air outlets.

Is the inspection result normal?

YES>>

GO TO 6.

NO>>

GO TO 8.

CHECK TEMPERATURE INCREASE

  1. Warm up engine to the normal operating temperature.

  2. Operate temperature control switch and raise the set temperature to "HI".

  3. Check that warm air blows from the air outlets.

Is the inspection result normal?

YES>>

GO TO 7.

NO>>

GO TO 8.

CHECK AUTO MODE

  1. Press AUTO switch and check that AUTO indicator turns ON.

  2. Operate temperature control switch to check that fan speed or air outlet changes (the air outlet or fan speed varies depending on the ambient temperature, in-vehicle temperature (rear side), set temperature, and etc.).

Is the inspection result normal?

YES>>

INSPECTION END

NO>>

GO TO 8.

CHECK SELF-DIAGNOSIS WITH CONSULT

  1. Perform self-diagnosis with CONSULT.

  2. Check that any DTC is detected.

Is any DTC detected?

YES>>

Refer to DTC Index, and perform the appropriate diagnosis.

NO>>

Refer to Symptom Table, and perform the appropriate diagnosis.

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