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Home >> Hyundai >> 2018 >> Elantra Value Edition >> Repair and Diagnosis >> External Pages >> Different car >> Section 249 (Heater And A/C Control Unit) >> Heater & A/C Control Unit (Manual) >> Components And Components Location >> Components
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Components And Components Location: Components

WARNING: This page is about a different car, the 2017 Hyundai Elantra. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Heater & A/C Control Unit Connector Terminals (Manual)
G12024365Courtesy of HYUNDAI MOTOR AMERICA
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 switch (On) 39 Blower common signal
17 Hazard signal 40 Ground