Hyundai Sonata 1991 Shop Manual page 277

MPI SYSTEM
Check conditions
Test Probable cause of malfunction
Check points
specifications (or action)
Air conditioner
o Engine: idling Air conditioner
Air conditioner
o If the air conditioner relay output
relay
after warm-up switch
relay
is abnormal, check the air condi-
o Service data
OFF
OFF
tioner signal input circuit and the
o Item NO.49
(compressor
air conditioner system.
o
If
the activation of the air condi-
clutch non-
tioner compressor clutch is not nor-
activation)
mal, check the compressor clutch
ON
ON
and the relay circuit.
(compressor
clutch activa'
tion)
Purge control sole-
o Ignition switch:
Actuator
Operation o Check the purge control solenoid
noid valve
ON forced actua-
sound is audi-
valve.
o Actuator test (Engine stop)
tion
ble
o Check the purge control solenoid
o Item No.8
valve drive
circuit.
EGR control sole-
o Ignition switch:
Actuator forced
Operation o Check the EGR control solenoid
noid valve
ON actua-
sound is audi-
valve.
(California)
(Engine stop)
tion
ble
o Check the EGR control solenoid
o Actuator test
valve drive circuit.
o Item No.10
31-52