Mitsubishi 1989-1993 GALANT Service Manual page 428

FUEL SYSTEM <DOHC>
INSPECTION
Using Scan tool
Air conditioning switch
Item No.
Function
Data reading 28
Air conditioning compressor clutch relay
Item No.
Function
Data reading 49
AIR CONDITIONING INSPECTION
Refer GROUP 55-Air Conditioning.
to
Check conditions
Data display
Switch status
. Engine idling
(The air conditioning
compressor should be
activated when the air
conditioning switch is
switched ON.)
Check conditions
Data display
Air condition- . Engine: idling after
ing compres-
sor clutch
relay status
Measure the power supply voltage of
the air conditioning circuit.
. Engine control module connec-
tor: Disconnected
side connector
Air conditioning switch
OFF
ON
Air conditioning switch
OFF
warm up
ON
I
Normal display
OFF
ON
Normal display
OFF (Compressor
clutch non-
activation)
clutch activation)