Front Air Conditioner
Description
Symptom
-
Insufficient cooling
-
No cool air comes out. (Air flow volume is normal.)
Diagnosis Procedure
NOTE:
Perform self-diagnoses with CONSULT before performing symptom diagnosis. If any DTC is detected, perform the corresponding diagnosis.
CHECK MAGNET CLUTCH OPERATION
-
Ignition switch ON.
-
Touch fan switch and operate front blower fan.
-
Touch A/C switch.
-
Check visually and by sound that compressor operates.
-
Touch A/C switch again.
-
Check that compressor stops.
Is the inspection result normal?
YES>>GO TO 2.
NO>>Perform diagnosis of “COMPRESSOR DOES NOT OPERATE” in “SYMPTOM DIAGNOSIS”. Refer to Diagnosis Procedure.
CHECK DRIVE BELT
Check tension of drive belt. Refer to Inspection.
Is the inspection result normal?
YES>>GO TO 3.
NO>>Adjust or replace drive belt depending on the inspection results.
CHECK REFRIGERANT CYCLE PRESSURE
Connect recovery/recycling recharging equipment to the vehicle and perform pressure inspection with gauge. Refer to Symptom Table.
Is the inspection result normal?
YES>>GO TO 4.
NO>>Repair or replace parts depending on the inspection results.
CHECK ECV
Perform ECV circuit diagnosis. Refer to Diagnosis Procedure.
Is the inspection result normal?
YES>>GO TO 5.
NO>>Repair or replace parts depending on the inspection results.
CHECK AIR LEAKAGE FROM EACH DUCT
Check duct and nozzle, etc. of the air conditioning system for leakage.
Is the inspection result normal?
YES>>GO TO 6.
NO>>Repair or replace parts depending on the inspection results.
CHECK SUNLOAD SENSOR
Perform sunload sensor diagnosis. Refer to Diagnosis Procedure.
Is the inspection result normal?
YES>>GO TO 7.
NO>>Repair or replace parts depending on the inspection results.
CHECK SETTING OF TEMPERATURE SETTING TRIMMER
-
Check setting value of temperature setting trimmer. Refer to CONSULT Function.
-
Check that temperature setting trimmer is set to “+ direction”.
NOTE:
The control temperature can be set with the setting of the temperature setting trimmer.
-
Set difference between the set temperature and control temperature to “0”.
Is inspection result normal?
YES>>INSPECTION END
NO>>Replace A/C auto amp. Refer to Removal and Installation.
Rear Air Conditioner
Description
Symptom
-
Insufficient cooling
-
No cool air comes out. (Air flow volume is normal.)
Diagnosis Procedure
NOTE:
Perform self-diagnoses with CONSULT before performing symptom diagnosis. If any DTC is detected, perform the corresponding diagnosis.
CHECK REFRIGERANT CYCLE PRESSURE
Connect recovery/recycling recharging equipment to the vehicle and perform pressure inspection with gauge. Refer to Symptom Table.
Is the inspection result normal?
YES>>GO TO 2.
NO>>Repair or replace parts depending on the inspection results.
CHECK AIR LEAKAGE FROM EACH DUCT
Check duct and nozzle, etc. of the air conditioning system for leakage.
Is the inspection result normal?
YES>>GO TO 3.
NO>>Repair or replace parts depending on the inspection results.
CHECK SUNLOAD SENSOR
Check sunload sensor diagnosis. Refer to Diagnosis Procedure.
Is the inspection result normal?
YES>>INSPECTION END
NO>>Repair or replace parts depending on the inspection results.
Other materials
Supplemental air bag warning labels
The Nissan Armada is equipped with clearly visible warning labels related to
the supplemental front-impact air bag system. These labels are strategically placed
within the vehicle to remind occupants of critical safety precautions.
SRS air bag
The warning labels 1 in the Nissan Armada are ...
Electric Intake Valve Timing Control Module
Exploded View
Bracket
Electric intake valve timing control module
: vehicle front
: N·m (kg-m, in-lb)
Removal & Installation
REMOVALRemove air cleaner body. Refer to Removal and Installation.
Remove harness clip to bracket.
Disconnect electric intake valve timing con ...
Diagnosis and Repair Work Flow
Work Flow
DETAILED FLOWINTERVIEW FROM THE CUSTOMER
CAUTION:
Customers are not professional. 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, ...