Nissan Sentra Service Manual: Refrigeration system symptoms
Trouble diagnosis for unusual pressure
Diagnose using a manifold gauge whenever system’s high and/or low side pressure(s) is/are unusual. The marker above the gauge scale in the following tables indicates the standard (usual) pressure range. Refer to above table (Ambient air temperature-to-operating pressure table) since the standard (usual) pressure, however, differs from vehicle to vehicle.
Symptom table
Heater and air conditioning system symptoms
Symptom table
...
Noise
Symptom table
...
Other materials:
Basic inspection
Diagnosis and repair work flow
Work flow
OVERALL SEQUENCE
DETAILED FLOW
1.INTERVIEW FOR MALFUNCTION
Find out what the customer's concerns are.
>> GO TO 2
2.SYMPTOM CHECK
Verify the symptom from the customer's information.
>> GO TO 3
3.BASIC INSPECTION
Check the operation ...
ECU diagnosis information
Diagnosis sensor unit
DTC Index
DIAGNOSTIC CODE CHART
NOTE:
Follow the procedures in numerical order when repairing malfunctioning
parts. Confirm whether malfunction is
eliminated using air bag warning lamp or CONSULT each time repair is finished.
If malfunction is still
observed, proceed ...
NISSAN Intelligent Key® (if so equipped)
Replace the battery in the Intelligent Key as follows:
Remove the mechanical key from the Intelligent
Key.
Insert a small screwdriver A into the slit B
of the corner and twist it to separate the
upper part from the lower part. Use a cloth to
protect the casing.
Replace the battery wi ...
