Mitsubishi Stealth 1994 Import Service Manual page 1197

HEATERS AND MANUAL AIR CONDITIONING - Troubleshooting
HEATERS AND MANUAL AIR CONDITIONING
Symptom
No ventilation even
310wer motor
noperative
4ir conditioning does not
operate when the ignition
switch in the ON position
Probable cause
Obstructed heater outlets
Blend air dampers improperly adjusted
or binding
Thermostat malfunction
Obstructed heater hoses
Improperly adjusted control cables
Plugged or partially plugged heater core Clean or replace
Incorrect adjustment of mode selection Adjust
dampers
Incorrect installation of mode selection
control wire
Ducts are incorrectly/incompletely
connected, crushed, bent or clogged
Burnt-out fuse
Poor grounding
Malfunction blower switch
Malfunction resistor
Malfunction blower motor
Malfunction heater relay
Malfunction blower motor relay
Open-circuited power circuit harness
Defective compressor relay in relay
box
Defective magnet clutch
Defective thermostat
Defective dual pressure switch
Refrigerant leak
Excessive refrigerant
Defective air conditioing switch
Defective belt lock controller
<DOHC>
Remedy
Correct
Correct
Replace
Replace
Adjust
Adjust
Repair or replace
Correct
Replace
Replace
Replace
Replace
Replace
Replace
Correct harness
Replace
Replace
Replace
Replace
Charge refrigerant,
correct leak
Discharge refrigerant
Replace air conditioning
switch
Replace belt lock controller
Ref. page
Group 7
24-20
24-22
24-25
24-l 9
24-19
24-l 9
24-32
24-32
24-38
24-l 3
24-l 6
24-23
24-22