Sight glass
REFRIGERANT LINE
The receiver piping joints have flange fittings and the
pipe ends are flared (pipe expanded) to prevent the
O-ring from dropping out and to improve workability.
SELF-DIAGNOSIS
Code
Trouble Back-up function or vehicle condition
0 (Normal) (Normal)
11 Wire in interior temperature sensor broken Reaches condition when 25°C (77°F) is detected
12 Wire in interior temperature sensor short-circuited
13 Wire of air inlet sensor broken
14 Wire of air inlet sensor short-circuited Reaches condition when 20°C (68°F) is detected.
21 Wire of air thermo sensor broken Reaches condition when -2°C (28°F) is detected.
22 Wire of air thermo sensor short-circuited
31 Wire of air mix damper potentiometer broken or Reaches MAX. HOT (MAX. COOL when set to MAX.
short circuited COOL)
32 Wire of mode selection damper potentiometer Reaches DEF. (FACE when set to FACE)
broken or short-circuited
41 Trouble in air mix dam
er drive s
stem
42 Trouble in mode selection damper drive system
High pressure pipe A
Flange
-
O-ring
Melt plug
·ELECTRICAL - Heater and Air Conditioning
7-41
Receiver
High pressure
pipe B
20N0092
SELF-DIAGNOSIS AND BAC
-UP FUNCTION
(1) It has a self-diagnosis function to diagnose trouble in
the 11 systems of sensors, etc. and in the control
unit itself and helps assure easy troubleshooting.
(2) When some abnormality is detected in the system, it
outputs the location of the abnormality to the
diagnosis connector in the side of the fuse box. Use
the Multi-use Tester.
(3) It not only displays the code No. but there is also a
back-up safe function to stop trouble to the system
due to an breakdown.
(4) If there are 2 or more abnormalities, the code Nos.
starting with the smallest are continuously displayed.
Furthermore, the code No. is kept in memory until
battery terminal is disconnected.
RJ
T
206033-212
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