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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 (DATC) >> 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 (DATC)
G12024369Courtesy of HYUNDAI MOTOR AMERICA
Connector Pin NO Function Connector Pin NO Function
A 1 Battery (+) A 21 IGN1
2 IGN2 22 ILL+ (TAIL)
3 ISG B+ 23 Sensor ground REF (+5V)
4 Mode control actuator (Vent) 24 C_CAN High
5 Mode control actuator (Def) 25 C_CAN Low
6 Mode control actuator (Feedback) 26 HTD (Rear defog indicator)
7 Intake actuator (Fresh) 27 -
8 Intake actuator (Recirculation) 28 -
9 Intake actuator (Feedback) 29 Passenger's temperature control actuator (Cool)
10 Defogging actuator (On) 30 Passenger's temperature control actuator (Warm)
11 Defogging actuator (Off) 31 Passenger's temperature control actuator (Feedback)
12 Defogging actuator (Feedback) 32 PTC Relay 2
13 Rear defog switch 33 PTC Relay 3
14 Hazard switch 34 PTC on signal
15 Driver's temperature control actuator (Cool) 35 Detent out (-)
16 Driver's temperature control actuator (Warm) 36 -
17 Driver's temperature control actuator (Feedback) 37 ECV +
18 - 38 ECV - (Ground)
19 Sensor ground 39 ILL- (RHEO)
20 Ground 40 Ground
Connector Pin NO Function Connector Pin NO Function
B 1 Blower motor (+) B 9 PAB IGN1
2 FET Drain (Feedback) 10 Clean signal
3 FET (Gate) 11 Ionizer diagnosis
4 SBR 12 AMB sensor (+)
5 Rear SBR (LH) 13 EVAP sensor (+)
6 Rear SBR (Center) 14 Auto defogging sensor signal
7 Rear SBR (RH) 15 Photo sensor (-)_LH
8 PAB Off signal 16 Photo sensor (-)_RH