Climate Control Unit Connector for Inputs and Outputs

Cavity
Terminal name
Description
Signal
1
Not used
???
???
2
IG2 A/C
IG2 power source
With vehicle in ON mode: battery voltage
3
BLOWER V
Feedback signal of power transistor drain voltage
With vehicle in ON mode: about 0 V?battery voltage (depending on blower motor speed)
4
BLOWER G
Outputs power transistor gate voltage
With vehicle in ON mode and fan control icon OFF: less than 0.2 V

With vehicle in ON mode and fan control icon ON: about 4.0 V?battery voltage (depending on blower motor control)
5
Not used
???
???
6
RR DEF RLY CL-
Signal for rear window defogger relay
With vehicle in ON mode and rear window defogger/mirror defogger icon ON: about 0 V

With vehicle in ON mode and rear window defogger/mirror defogger icon OFF: battery voltage
7
Not used
???
???
8
Not used
???
???
9
Not used
???
???
10
Not used
???
???
11
MODE MTR VENT
Outputs to drive mode control motor to VENT side
With vehicle in ON mode and mode control motor moving to VENT: battery voltage
12
MODE MTR DEF
Outputs to drive mode control motor to DEF side
With vehicle in ON mode and mode control motor moving to DEF: battery voltage
13
M-COOL
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
14
M-HOT
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
15
F/R MTR(FRESH)
Output to drive recirculation control motor to FRESH side
With vehicle in ON mode and recirculation control motor moving to FRESH: battery voltage
16
Not used
???
???
17
GND
Ground for climate control unit (G403)
With vehicle in ON mode: less than 0.2 V
18
TEVA
Detects evaporator temperature sensor signal
With vehicle in ON mode: about 1.0?4.0 V (depending on evaporator temperature)
19
B-CAN_H
B-CAN communication signal
With vehicle in ON mode: pulses
20
TAM
Detects outside air temperature sensor signal
With vehicle in ON mode: about 1.0?4.0 V (depending on outside air temperature)
21
B-CAN_L
B-CAN communication signal
With vehicle in ON mode: pulses
22
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
23
Not used
???
???
24
S 5V
Outputs sensor 5 V
With vehicle in ON mode: about 5.0 V
25
HUM DATA
Humidity/in-car temperature sensor communication signal
With vehicle in ON mode: pulses
26
HUM CLK
Humidity/in-car temperature sensor communication signal
With vehicle in ON mode: pulses
27
MDD-P
Detects potentiometer signal of mode control motor (door position)
With vehicle in ON mode: about 1.0?4.0 V (depending on mode control motor position)
28
AMD-P
Detects potentiometer signal of air mix control motor (door position)
With vehicle in ON mode: about 1.0?4.0 V (depending on air mix control motor position)
29
RFD-P
Detects potentiometer signal of recirculation control motor (door position)
With vehicle in ON mode: about 1.0?4.0 V (depending on recirculation control motor position
30
SENSOR COM
Sensor ground
With vehicle in ON mode: less than 0.2 V
31
Not used
???
???
32
F/R MTR(REC)
Output to drive recirculation control motor to RECIRCULATE side
With vehicle in ON mode and recirculation control motor moving to RECIRCULATE: battery voltage