Terminal
No.
|
Terminal
code
|
Check
item
|
Check
condition
|
Normal
condition
|
1
|
HOT
|
Air mix damper motor
(HOT)
|
When shifting to
COOL
|
1 V or
less
|
When shifting to
HOT
|
Battery
voltage
|
2
|
FRE
|
Motor for air
outside/inside air circulation switching
damper motor
|
When moving to the
inside air recirculation position
|
When moving to the
outside air position
|
1 V or less
|
3
|
REC
|
When moving to the
inside air recirculation position
|
When moving to the
outside air position
|
Battery
voltage
|
4
|
RLY
|
Rear window
defogger relay
|
Refer to GROUP 54A
- Rear window defogger .
|
Refer to GROUP 54A
- Rear window defogger .
|
5
|
ILL-
|
Illumination
|
Lighting switch:
"ON"
|
0 V
|
6
|
ILL+
|
Battery
voltage
|
7
|
SENG
|
Mode selection
potentiometer and air mixing potentiometer
(input)
|
Mode selection
damper motor
|
0 V
|
Air mix damper
motor
|
0 V
|
8
|
A/MP
|
Air mixing
potentiometer
|
MAX COOL
|
1.15 V
<LHD> 1 V <RHD>
|
9
|
MODP
|
Mode selection
potentiometer
|
FACE
|
4 V
<LHD> 1.47 V <RHD>
|
10
|
-
|
-
|
-
|
-
|
11
|
CANL
|
Output to the
engine-ECU
|
12
|
CANH
|
13
|
COOL
|
Air mix damper motor
(COOL)
|
When shifting to
COOL
|
Battery
voltage
|
When shifting to
HOT
|
1 V or
less
|
14
|
FACE
<LHD> DEF <RHD>
|
Mode selection damper
control motor (FACE <LHD>,
DEF<RHD>)
|
When moving toward
FACE <LHD>, DEF <RHD> position
|
Battery
voltage
|
When moving toward
DEF <LHD>, FACE <RHD> position
|
1 V or less
|
15
|
DEF
<LHD> FACE <RHD>
|
Mode selection damper
control motor (DEF <LHD>,
FACE <RHD>)
|
When moving toward
FACE <LHD>, DEF <RHD> position
|
When moving toward
DEF <LHD>, FACE <RHD> position
|
Battery
voltage
|
16
|
IND
|
Rear window
defogger
|
-
|
-
|
17
|
RVM
|
Power
transistor
|
Air volume adjustment
dial: Max.
|
Battery
voltage
|
18
|
BASE
|
0 to 2 V
|
19
|
E
|
Earth
|
Always
|
0 V
|
20
|
IG2
|
IG (2) power
supply
|
Ignition switch:
"ON"
|
Battery
voltage
|
21
|
B/UP
|
Back-up power
supply
|
Always
|
22
|
SENB
|
Sensor power
supply
|
Ignition switch:
"ON"
|
5 V
|
23 - 24
|
-
|
-
|
-
|
-
|