Terminal No.
|
Check items
|
Check conditions
|
Normal conditions
|
1
|
ILL power supply
|
Lighting switch: ON
|
System voltage
|
2
|
A/C pressure sensor input
|
Refer to  .
|
Refer to .
|
3
|
Earth
|
Always
|
Continuity exists.
|
4
|
Air mixing damper control motor and potentiometer (MAX HOT)
|
When the damper flaps are moving to the MAX COOL position.
|
1.0 V or less
|
When the damper flaps are moving to the MAX HOT position.
|
System voltage
|
5
|
Air mix damper motor (MAX COOL)
|
When the damper flaps are moving to the MAX COOL position.
|
System voltage
|
When the damper flaps are moving to the MAX HOT position.
|
1.0 V or less
|
6, 7
|
-
|
-
|
-
|
8
|
Rear window defogger relay
|
Rear window defogger relay: ON
|
1.0 V or less
|
9
|
Outside/inside air selection damper motor (Fresh air position)
|
When setting the fresh air position
|
1.0 V or less
|
When setting the air recirculation position
|
System voltage
|
10
|
Illumination earth
|
Always
|
Continuity exists.
|
11
|
-
|
-
|
-
|
12
|
Sensors and potentiometers earth
|
Always
|
1.0 V or less
|
13
|
Sensor power supply:
|
Ignition switch: IG2
|
5 V
|
14
|
Input from the air thermo sensor
|
Sensor temperature: 25°C (4kΩ)
|
2.1 - 2.7 V
|
15
|
Input from air mixing damper control motor potentiometer
|
MAX HOT position.
|
0.97 - 1.03 V
|
16
|
A/C pressure sensor power supply
|
Always
|
System voltage
|
17
|
outside/inside air selection damper control motor (inside)
|
When the damper is moved to the inside air recirculation position
|
1.0 V or less
|
When the damper is moved to the outside air inside air intake position
|
System voltage
|
18
|
IG2 power supply
|
Ignition switch: ON
|
System voltage
|
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