Hyundai Elantra AD Quiz
Heating, Ventilation, and Air Conditioning

Heater and A/C Control Unit (DATC) Components and Component Location

In this manual: Heating, Ventilation, and Air Conditioning
General Information — 9Engine Mechanical System — 84Engine Electrical System — 60Emission Control System — 24Engine Control System/Fuel System — 90Automatic Transmission — 92Drive Shaft and Axle — 20Suspension System — 31Steering — 20Restraints — 50Brake System — 63Body (Interior and Exterior) — 214Body Electrical System — 221Heating, Ventilation, and Air Conditioning — 71
~1min read

Components

Connector Pin No. Function Connector Pin No. Function
A 1 Battery (+) A 21 IGN1
2 IGN2 22 ILL+ (TAIL)
3 ISG B+ 23 REF Sensor Ground (+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 Defogger Indicator)
7 Intake Actuator (Fresh) 27 -
8 Intake Actuator (Recirculation) 28 -
9 Intake Actuator (Feedback) 29 Passenger Temperature Control Actuator (Cool)
10 Defog Activator (On) 30 Passenger Temperature Control Actuator (Warm)
11 Defog Activator (Off) 31 Passenger Temperature Control Actuator (Feedback)
12 Defog Activator (Feedback) 32 PTC Relay 2
13 Rear Heater Switch 33 PTC Relay 3
14 Hazard Warning Switch 34 PTC Signal
15 Driver Temperature Control Actuator (Cool) 35 Latch Out (-)
16 Driver Temperature Control Actuator (Warm) 36 -
17 Driver Temperature Control Actuator (Feedback) 37 ECV +
18 - 38 ECV - (Ground)
19 Sensor Ground 39 ILL- (REO)
20 Ground 40 Ground

Connector Pin No. Function Connector Pin No. Function
B 1 Fan 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 (Left) 13 EVAP Sensor (+)
6 Rear SBR (Center) 14 Auto Defog Sensor Signal
7 Rear SBR (Right) 15 Photo Sensor (-)_LH
8 PAB Off Signal 16 Photo Sensor (-)_RH

Test yourself

A quick Hyundai Elantra AD quiz: every answer comes with an explanation and a link to the manual page.