Chrysler DODGE D150 1993 Service Manual page 1453

24 - 16 HEATING AND AIR CONDITIONING
A/C COMPRESSOR AND CLUTCH DIAGNOSIS (CONT.)
COMPRESSOR CLUTCH WON'T
ENGAGE
\ f
f
NO VOLTAGE
VOLTAGE AT
AT CLUTCH
CLUTCH NORMAL
f t
OPEN FUSE
FAULTY
GROUND
f
1
PUSHBUTTON
SWITCH
OPEN COIL
f
FAULTY
WIRING
REPLACE COIL
f
r
POOR
VOLTAGE AT
GROUND CLUTCH LOW
f
CHECK WIRING
AND SWITCHES
f
CHECK VOLTAGE
DROPS FROM
CLUTCH TOWARD
BATTERY
CYCLING
SWITCH
IF CONTACT OPEN
CHECK
REFRIGERANT
CHARGE
IF CHARGE
OK REPLACE
SWITCH
COMPRESSOR LEAKS
OIL OR REFRIGERANT
DEFECTIVE
CRANKSHAFT
SEAL
CARTRIDGE
DEFECTIVE
CRANKSHAFT
SEAL
PLATE
DEFECTIVE
SEAL ("O' RING),
FRONT COVER,
REAR COVER
DEFECTIVE
COMPRESSOR
THRU BOLT
READ
COMPRESSOR
SERVICE SECTION
FOR REPAIR
DEFECTIVE
COMPRESSOR
BODY
REPLACE
COMPRESSOR
NOTE: APPLY PARKING BRAKE
AND RUN ENGINE IN NEUTRAL
ONLY.