I48-1 (TAM) - I48-14 (SG-2)
|
R - BR
|
Thermistor assembly signal
|
-
Ignition switch ON
-
Ambient temperature: 25°C (77°F)
|
1.05 to 1.45 V
|
-
Ignition switch ON
-
Ambient temperature: 40°C (104°F)
|
0.64 to 0.87 V
|
I48-3 (SG-1) - Body ground
|
W - Body ground
|
Ground for cooler (room temp. sensor) thermistor
|
Always
|
Below 1 V
|
I48-5 (TR) - I48-3 (SG-1)
|
B - W
|
Cooler (room temp. sensor) thermistor signal
|
-
Ignition switch ON
-
Cabin temperature: 25°C (77°F)
|
1.05 to 1.45 V
|
-
Ignition switch ON
-
Cabin temperature: 40°C (104°F)
|
0.64 to 0.87 V
|
I48-6 (PRE) - I48-15 (SG-4)
|
L - G
|
Air conditioner pressure sensor signal
|
-
Ignition switch ON
-
Air conditioning system operating
-
Refrigerant pressure: Abnormal pressure (more than 2812 kPaG (28.7 kgf/cm2, 408 psi))
|
4.73 V or higher
|
-
Ignition switch ON
-
Air conditioning system operating
-
Refrigerant pressure: Abnormal pressure (less than 196 kPaG (2.0 kgf/cm2, 28 psi))
|
Below 0.62 V
|
-
Ignition switch ON
-
Air conditioning system operating
-
Refrigerant pressure: Normal pressure (less than 2812 kPaG (28.7 kgf/cm2, 408 psi) and more than 196 kPaG (2.0 kgf/cm2, 28 psi))
|
0.62 to 4.73 V*
|
I48-11 (S5-3) - I48-15 (SG-4)
|
B - G
|
Power supply for air conditioner pressure sensor
|
Ignition switch ON
|
4.75 to 5.25 V
|
Ignition switch off
|
Below 1 V
|
I48-14 (SG-2) - Body ground
|
BR - Body ground
|
Ground for thermistor assembly
|
Always
|
Below 1 V
|
I48-15 (SG-4) - Body ground
|
G - Body ground
|
Ground for air conditioner pressure sensor
|
Always
|
Below 1 V
|
I49-1 (CANL) - I49-2 (CANH)
|
W - G
|
CAN communication system
|
CAN communication is performed
|
Pulse generation
|
I49-5 (B) - I49-17 (GND)
|
LG - W-B
|
Power source (Back-up)
|
Always
|
11 to 14 V
|
I49-6 (IG+) - I49-17 (GND)
|
SB - W-B
|
Power source (IG)
|
Ignition switch ON
|
11 to 14 V
|
Ignition switch off
|
Below 1 V
|
I49-7 (LIN1) - I49-17 (GND)
|
V - W-B
|
LIN communication signal
|
Ignition switch ON
|
Pulse generation
(See waveform 2)
|
I49-17 (GND) - Body ground
|
W-B - Body ground
|
Ground for main power supply
|
Always
|
Below 1 V
|
I49-18 (SOL+) - I49-17 (GND)
|
B - W-B
|
Compressor solenoid operation signal
|
-
Engine running
-
Blower switch: LO
-
A/C switch: On
|
Pulse generation
(See waveform 4)
|
I49-21 (BLW) - I49-17 (GND)
|
W - W-B
|
Blower motor speed control signal
|
-
Ignition switch ON
-
Blower switch: LO
|
Pulse generation
(See waveform 1)
|
m3-2 (BUSG) - Body ground
|
-
|
Ground for BUS IC
|
Always
|
Below 1 V
|
m3-3 (BUS) - m3-2 (BUSG)
|
-
|
BUS IC control signal
|
Ignition switch ON
|
Pulse generation
(See waveform 3)
|
m3-4 (BUSB) - m3-2 (BUSG)
|
-
|
Power supply for BUS IC
|
Always
|
11 to 14 V
|
m3-5 (SG-3) - Body ground
|
GR - Body ground
|
Ground for No. 1 cooler thermistor
|
Always
|
Below 1 V
|
m3-6 (TE) - m3-5 (SG-3)
|
GR - GR
|
No. 1 cooler thermistor signal
|
-
Ignition switch ON
-
Evaporator temperature: 0°C (32°F)
|
1.7 to 2.1 V
|
-
Ignition switch ON
-
Evaporator temperature: 15°C (59°F)
|
0.9 to 1.3 V
|