Hyundai Tucson LM Quiz
Heating, Ventilation, and Air Conditioning

Heater and Air Conditioning Control Unit (Dual) Components and Component Locations

In this manual: Heating, Ventilation, and Air Conditioning
General Information — 1Engine Mechanical System — 44Engine Electrical System — 45Emission Control System — 24Engine Control System/Fuel System — 93Clutch System — 13Manual Transmission — 18Automatic Transmission — 87Four-Wheel Drive (4WD) System — 26Drive Shaft and Axle — 29Suspension System — 35Steering — 20Restraints — 47Brake System — 36Body (Interior and Exterior) — 53Body Electrical System — 202Heating, Ventilation, and Air Conditioning — 58
~1min read

Components

Control Panel

Connector Terminal Function
Connector Pin No. Function Connector Pin No. Function
Connector (A) 1 Battery Connector (B) 1 CAN (LOW)
2 Tail Light (ILL+) 2 CAN (HIGH)
3 IG2 3 Intake Actuator (F/B)
4 DR Temperature Actuator (COOL) 4 Mode Actuator (F/B)
5 DR Temperature Actuator (WARM) 5 PS Temp Actuator (F/B)
6 - 6 DR Temperature Actuator (F/B)
7 Mode Actuator (VENT) 7 Diagnosis (Cluster Ion)
8 Mode Actuator (DEF) 8 ECV IN
9 - 9 GROUND
10 - 10 Hi-Scan (K-Line)
11 - 11 Evaporator sensor
12 Rheostat (ILL-) 12 Ambient Sensor
13 GROUND 13 Incar Sensor
14 Vref +5V 14 DR Sun (-)
15 Ion Signal 15 PS Vs (-)
16 Intake Actuator (FRE) 16 ECV OUT
17 Intake Actuator (REC)
18 Clean Signal
19 Blower Motor (+)
20 PS Temperature Actuator (COOL)
21 PS Temp Actuator (WARM)
22 Power MOSFET (GATE)
23 Power MOSFET (DRAIN)
24 -
25 -
26 Sensor Ground

Test yourself

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