Mitsubishi 3000GT 1991, Service Manual

Page: 1137 / 1146

FULL AUTO AIR CONDITIONER
Troubleshootina
DIAGNOSIS DISPLAY AND CODES
Code Display pattern (output codes)
Cause
Fail safe
(use with voltmeter)
0
Normal
ON
OFF
Continuous
Open-circuited room-temperature sensor
Condition in which 25°C
(77°F) is detected
Short-circuited room-temperature sensor
Open-circuited outside-air sensor Condition in which 20°C
(68°F) is detected
Short-circuited outside-air sensor
Open-circuited air sensor Condition in which -2°C
is detected
Short-circuited air sensor
Short-circuited and open-circuited
a i r m i x d a m p e r p o t e n t i o m e t e r
MAX. HOT
(or MAX. COOL when it
is at MAX. COOL)
Short-circuited and open-circuited DEF.
mode selector damper potentiometer (or FACE when it is
at FACE)
Defective air mix damper motor
42 Defective mode selector damper motor
NOTE: (1) If two or more abnormal conditions occur at the same time, the code numbers are alternately displayed, in
order, repeatedly.
(2) The nature of the malfunction is entered and stored in the memory from the time the malfunction occurs until
the ignition is next turned to OFF.
TSB Revision