I22122
Condition: Cooling system does not function.
NOTE : These gauge indica-
tions are shown when the
refrigerating system has
been opens and the refriger-
ant charged without vacuum
purging.
I22123
Condition: Refrigerant functions insufficient.
55–16
–
HEATER & AIR CONDITIONER
REFRIGERANT
2331
Author:
Date:
2002 CAMRY REPAIR MANUAL (RM881U)
(7)
Air present in refrigeration system
Symptom
Probable cause
Diagnosis
Corrective Actions
Pressure too high on both low
and high pressure sides
The low pressure piping too hot
to the touch
Bubbles seen through sight glass
Air entered in refrigerating system
Air present in refrigerating sys-
tem
Insufficient vacuum purging
(1) Check compressor oil to see if
it is see if it is dirty or insufficient
(2) Evacuate air and supply new
refrigerant
(8)
Expansion valve improperly
Symptom
Probable cause
Diagnosis
Corrective Actions
Pressure too high on both low
and high pressure sides
Frost or large amount of dew on
piping on low pressure side
Trouble in expansion valve
Excessive refrigerant in low
pressure piping
Expansion valve opened too
wide
Check expansion valve