Terminal No.
|
Terminal code
|
Check item
|
Check condition
|
Normal condition
|
1
|
SENB
|
A/C pressure sensor power supply
|
Ignition switch: IG2
|
5 V
|
2
|
ILO-
|
-
|
-
|
-
|
3
|
HTR3
|
PTC heater relay 3
|
4
|
HTR2
|
PTC heater relay 2
|
5
|
HTR1
|
PTC heater relay 1
|
6 - 11
|
-
|
-
|
12
|
AC/P
|
A/C pressure sensor input
|
Refer to  .
|
Refer to .
|
13
|
INC
|
Interior temperature sensor
|
Sensor probe temperature: 25°C (4.0 kΩ)
|
2.1 to 2.7 V
|
14 - 16
|
-
|
-
|
-
|
-
|
17
|
SENG
|
Sensor earth
|
Always
|
1 V or less
|
18
|
E
|
Earth
|
19
|
B/UP
|
Battery power supply
|
System voltage
|
20
|
IG1
|
IG power supply
|
Ignition switch: ON
|
21
|
P/TC
|
Power transistor (DRAIN)
|
Air volume control dial: Maximum air volume
|
0 to 2 V
|
22
|
ILL+
|
-
|
-
|
-
|
23
|
ILO+
|
24
|
ILL-
|
25
|
P/TB
|
Power transistor (GATE)
|
Air volume control dial: Maximum air volume
|
System voltage
|
26 - 30
|
-
|
-
|
-
|
-
|
31
|
CANL
|
32
|
CANH
|
41
|
IG1
|
Motor power supply
|
42
|
A/PB’
|
Air mixing damper control motor (RH)
|
43
|
A/PA’
|
44
|
A/PB
|
45
|
A/PA
|
46
|
A/DB’
|
Air mixing damper control motor (LH)
|
47
|
A/DA’
|
48
|
A/DB
|
49
|
A/DA
|
50
|
+
|
Fin thermo sensor earth
|
Always
|
1 V or less
|
51
|
M/MA
|
Mode selection damper control motor
|
-
|
-
|
52
|
M/MB
|
53
|
M/MA’
|
54
|
M/MB’
|
55
|
F/RA
|
Outside/inside damper control motor
|
56
|
F/RB
|
57
|
F/RA’
|
58
|
F/RB’
|
59
|
-
|
-
|
60
|
-
|
Fin thermo sensor
|
Sensor probe temperature: 25°C (4.0 kΩ)
|
2.1 to 2.7 V
|
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