Mitsubishi Eclipse 1990 Service Manual page 2046

TROUBLESHOOTING
Trouble
Problem cause
symptom
When the ignitior
compressor clutch relay
switch is "ON",
is defective
the does not
Magnetic clutch is defective
operate.
Refrigerant leak or overfilling
of refrigerant
Dual pressure switch is defec-
tive
A/C switch is defective
Blower switch is defective
Fin
Refrigerant temperature switch
is defective
bo) and
Automatic compressor-ECM
is defective
Revolution pick up sensor is
defective
conditioning
A/C compressor relay is de-
does not fective
when
Magnetic clutch is defective
he air outlet
knob is
Refrigerant leak or overfilling
noved to the
of refrigerant
or
position.
Dual pressure switch is defec-
tive
Defroster switch is defective
Engine
HEATER, AIR
AND VENTILATION
PROCEDURES
1
sensor is defective
Engine (Tur-
Engine>
Engine (Non-turbo)>
temperature Replace the refrigerant tempera-
is defective
ture switch
compressor-ECU is
Replace the automatic
sor-ECU
pick up sensor is Replace the revolution pick up
sensor
TSB Revision
Troubleshooting
Remedy
Replace A/C compressor clutch
relay
Replace the armature plate, rotor
or clutch coil
Replenish the refrigerant, repair
the leak or take out some of the
refrigerant
Replace the dual pressure switch
Replace the A/C switch
Replace the blower switch
Replace the fin sensor
Replace the refrigerant tempera-
ture switch
Replace the automatic
Replace the revolution pick up
sensor
Replace A/C compressor clutch
relay
Replace the armature plate, rotor
or clutch coil
Replenish the refrigerant, repair
the leak or take out some of the
refrigerant
Replace the dual pressure switch
the defroster switch
the blower switch
Reference Reference
page page
Engine Engine
(Non-turbo) (Turbo)
Engine
55-18 55-18
55-34
0
55-45
55-23 55-23
55-22 55-22
55-26
55-18
55-34
55-45
55-22 55-22
55-22 5 5 - 2 2
55-26