Hyundai Kona: Controller / Heater & A/C Control Unit (Manual) Components and components location

Hyundai Kona (OS) 2018-2022 Service Manual / Heating, Ventilation and Air Conditioning / Controller / Heater & A/C Control Unit (Manual) Components and components location

Components

Connector [A]
Pin NO
Function
Pin NO
Function
1
Low
4
Middle Low
2
Common
5
Middle High
3
Ground
6
High

Connector [B]
Pin NO
Function
Pin NO
Function
1
Battery (+)
21
IGN2
2
ISG B+
22
IGN1
3
ILL+ (TAIL)
23
PAB IGN1
4
Sensor REF (+5V)
24
PAB cut off signal
5
-
25
PAB on signal
6
-
26
-
7
Intake actuator feedback
27
MAX Blower ON Signal
8
EVAP Sensor (+)
28
PTC Relay 3
9
AMB Sensor (+)
29
PTC Relay 2
10
SBR Passenser
30
PTC on signal
11
SBR 2 Row Left
31
Detent OUT (-)
12
SBR 2 Row Middle
32
-
13
SBR 2 Row Right
33
P_CAN High
14
Intake actuator (Fresh Air)
34
P_CAN Low
15
Intake actuator (Recirculated Air)
35
-
16
HTD (Rear defog indicator)
36
ECV +
17
Rear defog switch
37
ECV- (Ground)
18
-
38
Sensor ground
19
Blower ON signal to common
39
Ground
20
ILL- (RHEO)
40
Ground

Controller
...

Heater & A/C Control Unit (Manual) Repair procedures
Replacement 1. Disconnect the negative (-) battery terminal. 2. Remove the crash pad lower panel. (Refer to Cr ...

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