Mitsubishi 3000GT Service Manual page 1287

FULL AUTO AIR CONDITIONING - Troubleshooting
Troubleshooting Hints
Air conditioning control unit terminal voltages
l
Terminal No. Signal name
Airselection damper control motor (-)
102
103 Mode selection damper control motor
104 Air selector damper control motor (+)
105 Blend air damper control motor (+)
111 Blend air damper control motor (-)
112 Mode selection damper control motor
Air selection damper
control motor
Inside-air switch ON
(Output turns OFF 40 seconds after the damper
moved to inside air position.)
Outside-air switch ON
(Output turns OFF 40 seconds after the damper
moved to outside air position.)
FACE switch ON
(Output turns OFF 40 seconds after the damper
moved to FACE position.)
DEF. switch ON
(Output turns OFF 40 seconds after the damper
moved to DEE position.)
Inside-air switch ON
(Output turns OFF 40 seconds after inside air
has been activated.)
Outside-air switch ON
(Output turns OFF 40 seconds after outside air
has been activated.)
Temperature is set at 17°C (62.6"F).
(Output turns OFF 40 seconds after the damper
moved to MAXCOOL position.)
Temperature is set at 32.5"C (90.5"F).
(Output turns OFF 40 seconds after the damper
moved to MAX. HOT position.)
Temperature is set at 17°C (62.6"F).
(Output turns OFF 40 seconds after the damper
moved to MAX. COOL position.)
Temperature is set at 32.5% (90.5"F).
(Output turns OFF 40 seconds after the damper
moved to MAX. HOT position.)
FACE switch ON
(Output turns OFF 40 seconds after the damper
moved to FACE position.)
DEF. switch ON
(Output turns OFF 40 seconds after the damper
moved to DEE position.)
TSB Revision
Airconditioning
control unit
Condition
0.5 v
0.5 v
0.5 v
0.5 v
0.5 v
0.5 v
Terminal voltage