Hyundai Sonata: Controller / Heater & A/C Control Unit (Manual) Components and Components Location

Hyundai Sonata LF 2014-2019 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
ILL+ (TAIL)
21
Detent OUT (+)
2
Sensor REF (+5V)
22
HTD
3
Mode control actuator (Vent)
23
Rear defog switch
4
Mode control actuator (Defrost)
24
C_CAN High
5
Mode control actuator (Feedback)
25
C_CAN Low
6
Intake actuator (Fresh)
26
ECV+
7
Intake actuator (Recirculation)
27
ECV- (Ground)
8
Intake actuator (Feedback)
28
AMB Sensor (+)
9
Driver's temperature control actuator (Cool)
29
EVAP Sensor (+)
10
Driver's temperature control actuator (Warm)
30
Blower MAX signal
11
Driver's temperature control actuator (Feedback)
31
Blower ON signal
12
Driver's seat heat indicator (Low)
32
-
13
Driver's seat heat indicator (Mid)
33
-
14
Driver's seat heat indicator (High)
34
-
15
Passenger's seat heat indicator (Low)
35
-
16
Driver's seat heat switch
36
-
17
Passenger's seat heat switch
37
-
18
Driver's cool switch
38
-
19
Passenger's cool switch
39
-
20
ILL- (RHEO)
40
Sensor ground

Connector [B]
Pin NO
Function
Pin NO
Function
1
Ground
9
Ground
2
Driver's seat vent indicator (Low)
10
-
3
Driver's seat vent indicator (Mid)
11
-
4
Driver's seat vent indicator (High)
12
Passenger's seat heat indicator (Mid)
5
Passenger's seat vent indicator (Low)
13
Passenger's seat heat indicator (High)
6
Passenger's seat vent indicator (Mid)
14
-
7
Passenger's seat vent indicator (High)
15
IGN1
8
IGN2
16
Battery (+)

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

Controller
...

Heater & A/C Control Unit (Manual) Repair procedures
Replacement 1. Disconnect the negative (-) battery terminal. 2. Using a screwdriver or remover, remove the center fascia panel (A). 3. Disconnect the A/C & heater controller connectors ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Front Seat Belt Retractor Repair procedures
Replacement     • When installing the belt, make sure not to damage the retractor. 1. Remove the center pillar lower trim. (Refer to Interior Trim - "Center Pillar Trim") 2. Remove the center pillar upper trim. (Refer to Interior Trim - "Center Pillar Trim") ...

Hyundai Sonata LF 2014-2019 Owners Manual: All Season Tires. Summer Tires. Snow Tires
All Season Tires HYUNDAI specifies all season tires on some models to provide good performance for use all year round, including snowy and icy road conditions. All season tires are identified by ALL SEASON and/or M+S (Mud and Snow) on the tire sidewall. Snow tires have better snow traction than a ...

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