Climate Control Unit Connector for Inputs and Outputs

Climate Control Unit Connector A (32P)

Cavity
Terminal name
Description
Signal
1
Not used
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2
Not used
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3
Not used
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4
Not used
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5
Not used
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6
Not used
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7
Not used
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8
B-CAN_L
B-CAN communication signal
With vehicle in ON mode: pulses
9
Not used
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10*4
TSUN
Detects sunlight sensor signal
With vehicle in ON mode, and no sunlight or the sensor covered up: 3.56 V

With vehicle in ON mode, and sunlight on the sensor: less than 3.56 V
11
TAM
Detects outside air temperature sensor signal
With vehicle in ON mode: about 1.0?4.0 V (depending on outside air temperature)
12
SENSOR COM
Sensor ground
With vehicle in ON mode: less than 0.2 V
13
Not used
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14*3
SOL IN
Ground for A/C compressor variable capacity control solenoid
With vehicle in ON mode: less than 0.2 V
15
Not used
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16
Not used
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17
Not used
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18
Not used
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19
Not used
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20
Not used
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21
RR DEF RLY CL-
Signal for rear window defogger relay
With vehicle in ON mode and rear window defogger/mirror defogger*5 switch ON: less than 0.2 V

With vehicle in ON mode and rear window defogger/mirror defogger*5 switch OFF: battery voltage
22
Not used
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23
Not used
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24
Not used
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25
B-CAN_H
B-CAN communication signal
With vehicle in ON mode: pulses
26
Not used
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27
TR
Detects in-car temperature sensor signal
With vehicle in ON mode: about 1.0?4.0 V (depending on in-car temperature)
28
GND
Ground for climate control unit (G505)
With vehicle in ON mode: less than 0.2 V
29
BUS-DATA
BUS-DATA communication signal
????
30*3
SOL OUT
Outputs 12 V to A/C compressor variable capacity control solenoid
Variable voltage based on cooling load. With A/C compressor at maximum: battery voltage
31
Not used
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32
IG2 A/C*1
IG2 power source
With vehicle in ON mode: battery voltage
IG2 OPTION*2
*1: L15B7/K20C2 engine
*2: L15BA/L15BY/K20C1 engine
*3: With A/C
*4: With automatic wiper or without automatic lighting
*5: With mirror defogger

Climate Control Unit Connector B (24P)

Cavity
Terminal name
Description
Signal
1
S5V-H
Outputs sensor 5 V
With vehicle in ON mode: about 5.0 V
2
AMD-P-DR
Detects potentiometer signal of air mix control motor (door position)
With vehicle in ON mode: about 0.5?4.5 V (depending on air mix control motor position)
3*3
AMD-P-AS
Detects potentiometer signal of passenger's air mix control motor (door position)
With vehicle in ON mode: about 0.5?4.5 V (depending on passenger's air mix control motor position)
4
RFD-P
Detects potentiometer signal of recirculation control motor (door position)
With vehicle in ON mode: about 0.5?3.5 V (depending on recirculation control motor position
5
MDD-P-DR
Detects potentiometer signal of mode control motor (door position)
With vehicle in ON mode: about 0.5?4.5 V (depending on mode control motor position)
6
Not used
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7
Not used
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8*1
T-EVA
Detects evaporator temperature sensor signal
With vehicle in ON mode: about 1.0?4.0 V (depending on evaporator temperature)
9
Not used
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10
SENS COM-H
Sensor ground
With vehicle in ON mode: less than 0.2 V
11
BLOWER G
Outputs power transistor gate voltage
With vehicle in ON mode and fan control icon*4, fan control dial*2, or fan control button*3*4 OFF: less than 0.2 V

With vehicle in ON mode and fan control icon*4, fan control dial*2, or fan control button*3*4 ON: about 4.0 V?battery voltage (depending on blower motor control)
12
BLOWER V
Feedback signal of power transistor drain voltage
With vehicle in ON mode: about 0 V?battery voltage (depending on blower motor speed)
13
M-HOT-DR
Output to drive air mix control motor to HOT side
With vehicle in ON mode and air mix control motor moving to HOT: battery voltage
14
M-COOL-DR
Output to drive air mix control motor to COOL side
With vehicle in ON mode and air mix control motor moving to COOL: battery voltage
15*3
M-HOT-AS
Output to drive passenger's  air mix control motor to HOT side
With vehicle in ON mode and passenger's air mix control motor moving to HOT: battery voltage
16*3
M-COOL-AS
Output to drive passenger's air mix control motor to COOL side
With vehicle in ON mode and passenger's air mix control motor moving to COOL: battery voltage
17
M-REC
Output to drive recirculation control motor to RECIRCULATE side
With vehicle in ON mode and recirculation control motor moving to RECIRCULATE: battery voltage
18
M-FRS
Output to drive recirculation control motor to FRESH side
With vehicle in ON mode and recirculation control motor moving to FRESH: battery voltage
19
M-VENT-DR
Outputs to drive mode control motor to VENT side
With vehicle in ON mode and mode control motor moving to VENT: battery voltage
20
M-DEF-DR
Outputs to drive mode control motor to DEF side
With vehicle in ON mode and mode control motor moving to DEF: battery voltage
21
Not used
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22
Not used
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23
Not used
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24
Not used
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*1: With A/C
*2: Without dual zone climate control
*3: With dual zone climate control
*4: Climate control panel without display