Tacoma

Toyota Tacoma 2015-2018 Air Conditioning Workshop Manual

*a Low Pressure Side *b High Pressure Side
SYMPTOM PROBABLE
CAUSE
DIAGNOSIS CORRECTIVE ACTION
Pressure low on
both low and high
pressure sides
Cooling
performance
insufficient
Gas leakage
from
refrigeration
system
Insufficient
refrigerant
Refrigerant
leakage
Check for gas leakage and
repair if necessary
1.
Supply appropriate volume
of new refrigerant
2.
If indicated pressure value
close to 0 with gauge
connected, create vacuum
after inspecting and
repairing location of leakage
3.
(4) The A/C system does not function effectively due to poor circulation of the refrigerant.
Text in Illustration
*a Low Pressure Side *b High Pressure Side
SYMPTOM PROBABLE CAUSE DIAGNOSIS CORRECTIVE
ACTION
Pressure low on both low and
high pressure sides
Frost exists on piping from
condenser to A/C unit
Refrigerant flow obstructed by
dirt in condenser
Condenser
clogged
Replace
condenser
(5) The A/C system does not function or functions intermittently because the refrigerant does not circulate.
Text in Illustration
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