Toyota Avensis ZZT251 2003 Service And Repair Manual page 1337

55–36
Condition : Air conditioning system does not function.
Symptom
Pressure is extreamly high on both
low and the high pressure sides
Condition : Air conditioning system does not function effectively.
Symptom
Y Pressure is extreamly high on
low pressure side
Y Pressure is extreamly high on
high pressure side
AVENSIS REPAIR MANUAL (RM1018E)
HEATER & AIR CONDITIONER
(7)
Probable cause
Air in refrigeration system
(8)
Probable cause
Trouble with refrigerant filter
http://vnx.su
– REFRIGERANT
When there is air in the refrigeration system:
NOTE : These gauge indica-
tions occur when the refrigera-
tion system opens and the re-
frigerant is charged without
vacuuming.
Diagnosis
Y There is air in refrigeration sys-
tem
Y Vacuuming is insufficient
When the refrigerant filter is defective:
Diagnosis
Excessive refrigerant
I22122
Corrective Actions
(1) Check if compressor oil is dirty
or insufficient
(2) Vacuum air and supply new re-
frigerant
I22123
Corrective Actions
Replace refrigerant filter