Mitsubishi Stealth 1994 Import Service Manual page 1242

FULL AUTO AIR CONDITIONING
2. Inspection of potentiometer circuit
Damper opening
command cirwt
58
Troubleshooting Hints
Diagnosis
l
No. 31 (Fix blend air damper at MAX. HOT position, or at MAX: COOL position when it is at MAX.
COOL position.)
No. 32 (Fix mode selection damper at FACE position, or at FACE position when it is at FACE position.)
Air conditioning control unit terminal voltages
l
Terminal No.
56 Blend air damper potentio-
meter (input)
57 Mode selection damper
potentiometer (input)
58 Blend air damper and mode
selection damper potentiometer
60 Sensor power source
Blend air damper
potentiometer
Air conditioning control unit
Blend air damper
control motor
Signal name
Blend air damper at MAX. COOL position
Blend air damper at MAX. HOT position
Mode selection damper at FACE position
Mode selection damper at DEF. position
Normally
Normally
Mode selection
damper control motor
Comparator
AID conversion
Mode
selection
damper
potentiometer
1
2
3 4 5 6
Condition Terminal voltage
0.1 -0.3v
4.7 - 5.0 v
0.1 -0.3v
4.7 - 5.0 v
o v
4.8 - 5.2 V