Terminal No.
|
Check items
|
Inspection conditions
|
Normal conditions
|
1
|
Air mix damper motor (HOT)
|
When shifting to HOT
|
System voltage
|
When shifting to COOL
|
0 to 1 V
|
2
|
Air outlet changeover damper motor
(FACE)
|
When moving toward FACE position
|
System voltage
|
When moving toward DEF position
|
1 V or less
|
3 - 6
|
-
|
-
|
-
|
7
|
Communication with the diagnosis connector
|
-
|
0 to 12 V
|
8
|
Back-up power supply
|
Always
|
System voltage
|
9
|
-
|
-
|
-
|
10
|
Electric motor switch power supply
|
Electric motor switch: ON
|
System voltage
|
11
|
Heater water temperature sensor
|
Temperature at the sensor 25°C (5 kΩ)
|
2.1 to 2.7 V
|
12
|
Air mix damper motor (COOL)
|
When shifting to COOL
|
System voltage
|
When shifting to HOT
|
1 V or less
|
13
|
Air outlet changeover damper motor
(DEF)
|
When moving toward DEF position
|
System voltage
|
When moving toward FACE position
|
1 V or less
|
14
|
-
|
-
|
-
|
15
|
Communication with the compressor &
heater controller
|
-
|
-
|
16
|
Compressor &
heater controller earth
|
-
|
1 V or less
|
17 to 21
|
-
|
-
|
-
|
22
|
Earth
|
Always
|
0 V
|
31
|
Ambient temperature sensor
|
Temperature at the sensor 25°C (1.7 kΩ)
|
2.1 to 2.7 V
|
32
|
Air mix damper motor (potentiometer input)
|
Air mix damper motor MAX COOL position
|
0 to 1.5 V
|
33
|
Air outlet changeover damper motor (potentiometer
input)
|
Air outlet changeover damper motor FACE position
|
1 V or less
|
34
|
Sensor power supply
|
Electric motor switch: ON
|
5 V
|
35
|
Power transistor
|
Air volume adjustment dial: Maximum
|
System voltage
|
36
|
Power transistor
|
Air volume adjustment dial: Maximum
|
0 to 2 V
|
37
|
ILL power supply
|
Lighting switch: ON
|
System voltage
|
38
|
Sensor earth
|
Always
|
0 V
|
39
|
Fin thermo sensor
|
Temperature at the sensor 0°C (4.8 kΩ)
|
2.1 to 2.7 V
|
40 to 43
|
-
|
-
|
-
|
44
|
ILL earth
|
Always
|
0 V
|
)
