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

Hyundai Kona (OS) 2018-2024 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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