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Components and Components Location: Components

WARNING: This page is about a different car, the 2014 Hyundai Elantra GT and 2013 Hyundai Elantra GT. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Heater And AC Control Unit Components (Manual)
G09887958Courtesy of HYUNDAI MOTOR AMERICA
CONNECTOR PIN REFERENCE

Connector Pin No Function
A 1 Ground
2 Low
3 -
4 Middle Low
5 Middle High
6 High
B 1 Battery (+)
2 Tail Lamp (+)
3 Sensor REF (+5V)
4 Mode Actuator Feedback
5 Temperature Actuator Feedback
6 Intake Actuator Feedback
7 Evaporator Temperature Sensor (+)
8 Ambient Temperature Sensor (+)
9 -
10 Blower ON Signal
11 HTD (Rear Defrost Indicator)
12 Mode Actuator (Vent)
13 Mode Actuator (Defog)
14 Temperature Actuator (Cool)
15 Temperature Actuator (Warm)
16 Intake Actuator (Fresh)
17 Intake Actuator (Recirculation)
18 Hazard Switch
19 Active ECO Signal
20 Rheostat (ILL-)
21 IGN 2
22 IGN 1
23 PAB IGN 1
24 Seat Heater Indicator - Low (Right)
25 Seat Heater Indicator - High (Right)
26 Rear Defrost Switch
27 PTC Relay 2
28 -
29 Detent Out (+)
30 Seat Heater Indicator - Low (Left)
31 Seat Heater Indicator - High (Left)
32 C-CAN (High)
33 C-CAN (Low)
34 -
35 -
36 -
37 -
38 Sensor Ground
39 Ground
40 Ground
C 1 ESC Switch OFF Signal
2 PAB OFF Signal
3 PAB ON Signal
4 -
5 -
6 -
7 -
8 Max. Blower ON Signal
9 -
10 -
11 -
12 Seat Heater Switch (Left)
13 Seat Heater Switch (Right)
14 -
15 -
16 Ground