Mitsubishi Stealth 1994 Import Service Manual page 1236

24-44
FULL AUTO AIR CONDITIONING
1 Air conditioning does
not operate when the
ignition switch in the
ON position.
2 Interior temperature
does not raise
(No warm air coming
out).
3 Interior temperature
does not lower
(No cold air coming
out).
Probable cause
Open-circuited power circuit harness
Defective control panel
Defective air conditioning control unit
Defective compressor relay in relay box Replace.
Defective magnet clutch
Defective thermostat
Defective dual pressure switch
Refrigerant leak
Excessive refrigerant
Defective belt lock controller
<DOHC>
Defective MFI control unit
Defective interior temperature
sensor input circuit
Defective blend air damper
potentiometer input circuit
Defective blend air damper drive
motor
Incorrect engagement of blend air
damper drive motor lever and blend air
damper
Sticking blend air damper
Open-circuited harness between
blend air damper drive motor and
air conditioning control unit
Defective control panel
Defective air conditioning control unit
Defective interior temperature
sensor input circuit
Defective air inlet sensor input
circuit
Defective air therm0 sensor input
circuit
Defective blend air damper
potentiometer input circuit
Remedy
Correct harness.
Replace control panel.
Check on-board diagnostic
output.
Replace.
Replace.
Charge refrigerant, correct
leak.
Discharge refrigerant.
Replace belt lock controller.
Replace MFI control unit
Check on-board diagnostic
output.
Replace defective parts.
Replace blend air damper
drive motor.
Engage correctly.
Correct blend air damper.
Correct harness.
Replace control panel.
Replace air conditioning
control unit.
Check on-board diagnostic
output.
Replace defective parts.
Ref. page
24-61
24-57
24-19
24-32
24-32
24-38
24-l 3
24-l 6
24-62
24-57
24-63
24-61
24-61
24-57