Heating, Ventilation, and Air Conditioning
Heater and A/C Control Unit (Manual) Components and Component Location
In this manual: Heating, Ventilation, and Air Conditioning
~1min read
Components

| Connector | Pin No. | Function | Connector | Pin No. | Function |
| Connector (A) | 1 | Medium High | Connector (B) | 1 | Tail Light (ILL+) |
| 2 | - | 2 | Battery | ||
| 3 | GROUND | 3 | Mode Actuator (VENT) | ||
| 4 | High | 4 | Mode Actuator (DEF) | ||
| 5 | Medium Low | 5 | Temperature Actuator (COOL) | ||
| 6 | Low | 6 | Temperature Actuator (WARM) | ||
| X | 7 | Intake Actuator (FRE) | |||
| 8 | Intake Actuator (REC) | ||||
| 9 | - | ||||
| 10 | - | ||||
| 11 | Mode Actuator (F/B) | ||||
| 12 | Temperature Actuator (F/B) | ||||
| 13 | Intake Actuator (F/B) | ||||
| 14 | Blower Motor Ground (-) | ||||
| 15 | Blower F/B | ||||
| 16 | Rheostat (ILL-) | ||||
| 17 | IG2 | ||||
| 18 | - | ||||
| 19 | Can (HIGH) | ||||
| 20 | Can (LOW) | ||||
| 21 | - | ||||
| 22 | ECV IN | ||||
| 23 | ECV OUT | ||||
| 24 | - | ||||
| 25 | Vref (+5V) | ||||
| 26 | Evaporator sensor | ||||
| 27 | Ambient Sensor | ||||
| 28 | - | ||||
| 29 | - | ||||
| 30 | - | ||||
| 31 | Sensor Ground | ||||
| 32 | GROUND | ||||
Test yourself
A quick Hyundai Tucson LM quiz: every answer comes with an explanation and a link to the manual page.
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