Tacoma

Toyota Tacoma 2015-2018 Air Conditioning Workshop Manual

(8) When the expansion valve malfunctions:
SYMPTOMS PROBABLE
CAUSE
DIAGNOSIS CORRECTIVE
ACTION
Pressure extremely high on
both low and high pressure
sides
Frost or condensation on
piping on low pressure side
Trouble in
expansion valve
Excessive refrigerant
in low pressure piping
Expansion valve too
wide open
Replace
expansion valve
(9) When the compressor is defective:
SYMPTOMS PROBABLE
CAUSE
DIAGNOSIS CORRECTIVE
ACTION
Pressure extremely high
on both low and high
pressure sides
Pressure extremely low
on high pressure side
Internal leakage
in compressor
Compression failure
Leakage from damaged
valve or broken sliding
parts
Repair or replace
compressor
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