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

Hyundai Sonata LF 2014-2019 Service Manual / Heating, Ventilation and Air Conditioning / Controller / Heater & A/C Control Unit (DATC) 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 (Rear defog indicator)
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
Photo sensor (-)_LH
11
Driver's temperature control actuator (Feedback)
31
Photo sensor (-)_RH
12
Passenger's temperature control actuator (Cool)
32
-
13
Passenger's temperature control actuator (Warm)
33
-
14
Passenger's temperature control actuator (Feedback)
34
-
15
No K-line
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
17
Ground
2
-
18
-
3
-
19
Driver's seat heat indicator (Low)
4
-
20
Driver's seat heat indicator (Mid)
5
-
21
Driver's seat heat indicator (High)
6
FET (Gate)
22
Passenger's seat heat indicator (Low)
7
FET Drain (Feedback)
23
Passenger's seat heat indicator (Mid)
8
-
24
Passenger's seat heat indicator (High)
9
-
25
Driver's seat cool indicator (Low)
10
Steering wheel heat switch
26
Driver's seat cool indicator (Mid)
11
Steering wheel heat indicator
27
Driver's seat cool indicator (High)
12
Blower motor (+)
28
Passenger's seat cool indicator (Low)
13
-
29
Passenger's seat cool indicator (Mid)
14
-
30
Passenger's seat cool indicator (High)
15
IGN1
31
-
16
IGN2
32
Battery (+)

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 ...

Heater & A/C Control Unit (DATC) Repair procedures
Self Diagnosis 1. Self-diagnosis process.     • When operating the self-diagnostics, the below fault (self-diagnostics code) will blink at 0.5 seconds interval on the t ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Front Driveshaft Repair procedures
Removal 1. Raise the vehicle, and make sure it is securely supported. 2. Remove the wheel cap (A).     Be careful not to damage to the wheel cap (A) when removing the it. 3. Remove the front wheel and tire (A) from front hub. Tightening torque : 88.3 ~ 107.9 N. ...

Hyundai Sonata LF 2014-2019 Service Manual: CVVT Oil Control Valve (OCV) Specifications
Specification ItemSpecificationCoil Resistance (?)6.9 ~ 7.9 [20°C(68°F)] ...

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