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 ...

Other information:

Hyundai Elantra AD (2016-2020) Service Manual: Photo Sensor Description and Operation
Description The photo sensor is located at the center of the defrost nozzles. The photo sensor contains a photovoltaic (sensitive to sunlight) diode. The solar radiation received by its light receiving portion, generates an electromotive force in proportion to the amount of radiation rece ...

Hyundai Elantra AD (2016-2020) Owners Manual: Main components of the Occupant Classification System
A detection device located within the front passenger seat cushion. Electronic system to determine whether the passenger air bag systems should be activated or deactivated. An indicator light located on the instrument panel which illuminates the words "PASSENGER AIR BAG OFF" i ...

© 2018-2021 www.helantraad.com