Tacoma

Toyota Tacoma 2015-2018 Air Conditioning Workshop Manual

SYMPTOMS PROBABLE CAUSES DIAGNOSIS CORRECTIVE ACTIONS
refrigerant
For gas leakage
from expansion
valve, replace
expansion valve
5.
(6) When the refrigerant is overcharged or cooling of condenser is insufficient:
SYMPTOMS PROBABLE CAUSES DIAGNOSIS CORRECTIVE ACTIONS
Pressure
extremely high on
both low and high
pressure sides
Excessive
refrigerant
Cooling
performance of
condenser
insufficient
Excessive
refrigerant
Cooling
performance of
condenser
insufficient
Clean condenser1.
Check condenser fan
motor operation
2.
If 1 and 2 normal,
check the amount of
refrigerant and supply
appropriate volume of
refrigerant
3.
(7) When there is air in the refrigeration system:
SYMPTOMS PROBABLE
CAUSE
DIAGNOSIS CORRECTIVE ACTIONS
Pressure extremely
high on both low and
high pressure sides
The low pressure
piping too hot to touch
Air in
refrigeration
system
Air in
refrigeration
system
Vacuum purging
insufficient
Check whether
compressor oil dirty
or insufficient
1.
Evacuate air and
charge new
refrigerant
2.
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