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Home >> Genesis >> 2019 >> G90 5.0 Ultimate, AWD >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heater And A/C Control Unit >> Heater Control Unit >> Components And Components Location >> Components >> Connector Pin Function

Connector Pin Function

[3 ZONE]

Connector Pin NO Function
A 1 Battery (+)
2 IGN 2
3 Sensor REF (+5V)
4 Drivers mode control actuator (Vent)
5 Drivers mode control actuator (Defrost)
6 Drivers mode control actuator feedback
7 Intake actuator (Fresh air)
8 Intake actuator (Recirculated air)
9 Intake actuator feedback
10 Auto defogging actuator (Open)
11 Auto defogging actuator (Close)
12 Auto defogging actuator feedback
13 Drivers temperature control actuator (Cool)
14 Drivers temperature control actuator (Warm)
15 Drivers temperature control actuator feedback
16 -
17 -
18 -
19 Rear in-car sensor (+)
20 Sensor ground
A 21 IGN1
22 ECV (+)
23 P CAN (Low)
24 P CAN (High)
25 Climate CAN Low
26 Climate CAN High
27 Passengers temperature control actuator (Cool)
28 Passengers temperature control actuator (Warm)
29 Passengers temperature control actuator feedback
30 Passengers mode control actuator (Vent)
31 Passengers mode control actuator (Defrost)
32 Passengers mode control actuator feedback
33 -
34 -
35 -
36 -
37 -
38 -
39 ECV (-)
40 Ground
Connector Pin NO Function
B 1 Front blower motor (+)
2 FET (GATE)
3 FET (Drain feedback)
4 -
5 -
6 -
7 -
8 -
9 -
10 Ionizer diagnosis
11 Clean signal
12 AQS signal
13 CO2 sensor signal
14 -
15 Passengers Eva sensor (+)
16 -
B 17 -
18 Console mode control actuator (Rear vent)
19 Console mode control actuator (Rear floor)
20 Console mode control actuator feedback
21 Console temperature control actuator (Cool)
22 Console temperature control actuator (Warm)
23 Console temperature control actuator feedback
24 Console ON/OFF control actuator (ON)
25 Console ON/OFF control actuator (OFF)
26 Console ON/OFF control actuator feedback
27 Drivers front duct sensor (+) Vent
28 Drivers front duct sensor (+) Floor
29 Passengers front duct sensor (+) Vent
30 Passengers front duct sensor (+) Floor
31 Rear duct sensor (+) Vent
32 Rear duct sensor (+) Floor

[3 ZONE +] 

Connector Pin NO Function
A 1 Battery (+)
2 IGN 2
3 Sensor REF (+5V)
4 Drivers mode control actuator (Vent)
5 Drivers mode control actuator (Defrost)
6 Drivers mode control actuator feedback
7 Intake actuator (Fresh air)
8 Intake actuator (Recirculated air)
9 Intake actuator feedback
10 Auto defogging actuator (Open)
11 Auto defogging actuator (Close)
12 Auto defogging actuator feedback
13 Drivers temperature control actuator (Cool)
14 Drivers temperature control actuator (Warm)
15 Drivers temperature control actuator feedback
16 -
17 -
18 -
19 Rear in-car sensor (+)
20 Sensor ground
A 21 IGN1
22 ECV (+)
23 P CAN (Low)
24 P CAN (High)
25 Climate CAN Low
26 Climate CAN High
27 Passengers temperature control actuator (Cool)
28 Passengers temperature control actuator (Warm)
29 Passengers temperature control actuator feedback
30 Passengers mode control actuator (Vent)
31 Passengers mode control actuator (Defrost)
32 Passengers mode control actuator feedback
33 B-Pillar actuator (Rear floor) Rear driver
34 B-Pillar actuator (B-Pillar) Rear driver
35 B-Pillar actuator feedback Rear driver
36 B-Pillar actuator (Rear floor) Rear passenger
37 B-Pillar actuator (B-Pillar) Rear passenger
38 B-Pillar actuator feedback Rear passenger
39 ECV (-)
40 Ground
Connector Pin NO Function
B 1 Front blower motor (+)
2 FET (GATE)
3 FET (Drain feedback)
4 Air flow actuator (Driver down) Front
5 Air flow actuator (passenger down) Front
6 Air flow actuator feedback Front
7 Air flow actuator (Open) Rear
8 Air flow actuator (Close) Rear
9 Air flow actuator feedback Rear
10 Ionizer diagnosis
11 Clean signal
12 AQS signal
13 CO2 sensor signal
14 Evap.. sensor (+) - Driver
15 Passengers Eva sensor (+)
16 Blower PWM - Rear
B 17 Blower Diagnosis - Rear
18 Console mode control actuator (Rear vent)
19 Console mode control actuator (Rear floor)
20 Console mode control actuator feedback
21 Console temperature control actuator (Cool)
22 Console temperature control actuator (Warm)
23 Console temperature control actuator feedback
24 Console ON/OFF control actuator (ON)
25 Console ON/OFF control actuator (OFF)
26 Console ON/OFF control actuator feedback
27 Drivers front duct sensor (+) Vent
28 Drivers front duct sensor (+) Floor
29 Passengers front duct sensor (+)_Vent
30 Passengers front duct sensor (+) Floor
31 Rear duct sensor (+) Vent
32 -