Subaru SVX 1992 Manual page 1035

AUTOMATIC AIR CONDITIONING SYSTEM ITSHOI 4-7
H: MAGNET CLUTCH CYCLES ON AND OFF CONTINUALLY .
CONTENTS OF DIAGNOSIS :
Faulty solenoid actuator, sensor, harness or auto am-
plifier
Magnet clutch can sometimes turn ON and OFF even
when ambient temperatures are lower than approxi-
mately 10°C (50°F) . This indicates that freeze- protec-
tion function is operating and is not a problem .
1 1 Check solenoid actuator control current .
OK
2 I Check sensor.
Not OK
Not OK
TROUBLE SYMPTOM :
Magnet clutch cycles ON and OFF when ambient tem-
peratures are higher than 10°C (50°F) .
Faulty sensor or harness
OK
Faulty auto amplifier or MPFI unit.
I 3 I Check solenoid actuator resistance .
I
Not OK
Faulty solenoid actuator
OK
Faulty auto amplifier or harness
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