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

Hyundai Elantra AD (2016-2020) Service Manual / Heating, Ventilation and Air Conditioning / Controller / Heater & A/C Control Unit (Manual) Components and Components Location

Components

Connector
Pin NO
Function
Connector
Pin NO
Function
A
1
Low
B
18
ILL- (RHEO)
2
Common
19
Sensor ground
3
Ground
20
Ground
4
Middle Low
21
Battery (+)
5
Middle High
22
ISG DC
6
High
23
ISG B+
B
1
IGN2
24
ILL+ (TAIL)
2
PAB IGN1
25
Sensor REF (+5V)
3
HTD (Rear defog indicator)
26
EVAP sensor (+)
4
Detent Out (-)
27
AMB sensor (+)
5
PTC Relay 2
28
Mode control actuator (Feedback)
6
PTC Relay 3
29
Temperature control actuator (Feedback)
7
PTC on signal
30
Intake actuator (Feedback)
8
PAB Off signal
31
Mode control actuator (Vent)
9
SBR
32
Mode control actuator (Def)
10
Rear SBR [LH]
33
Temperature control actuator (Cool)
11
Rear SBR [Center]
34
Temperature control actuator (Warm)
12
Rear SBR [RH]
35
Intake actuator (Fresh)
13
ECV+
36
Intake actuator (Recirculation)
14
ECV- (Ground)
37
C_CAN High
15
Max blower on signal
38
C_CAN Low
16
Rear defogging swich (On)
39
Blower common signal
17
Hazard signal
40
Ground

Controller
...

Heater & A/C Control Unit (Manual) Repair procedures
Replacement 1. Disconnect the negative (-) battery terminal. 2. Remove the glove box upper cover assembly. (Refer to Body - "Glove Box Upper Cover Assembly") 3. Loosen the mounting screw ...

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Hyundai Elantra AD (2016-2020) Service Manual: Side Airbag (SAB) Module Components and Components Location
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Hyundai Elantra AD (2016-2020) Service Manual: Accelerator Position Sensor (APS) Description and Operation
Description Accelerator Position Sensor (APS) is installed on the accelerator pedal module and detects the rotation angle of the accelerator pedal. The APS is one of the most important sensors in engine control system, so it consists of the two sensors which adapt individual sensor power ...

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