| Components |

| Connector | Pin No | Function | Connector | Pin NO | Function |
| Connector(A) | 1 | Middle High | Connector(B) | 1 | Tail Lamp (ILL+) |
| 2 | - | 2 | Battery | ||
| 3 | GND | 3 | Mode Actuator (VENT) | ||
| 4 | High | 4 | Mode Actuator (DEF) | ||
| 5 | Middle Low | 5 | Temp Actuator (COOL) | ||
| 6 | Low | 6 | Temp Actuator (WARM) | ||
| x | 7 | Intake Actuator (FRE) | |||
| 8 | Intake Actuator (REC) | ||||
| 9 | - | ||||
| 10 | - | ||||
| 11 | Mode Actuator (F/B) | ||||
| 12 | Temp Actuator (F/B) | ||||
| 13 | Intake Actuator (F/B) | ||||
| 14 | Blower Motor Common (-) | ||||
| 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 GND | ||||
| 32 | GND | ||||
Controller
Heater & A/C Control Unit(Manual) Repair proceduresHyundai Tucson (LM) 2010-2015 Owners Manual: Air cleaner
Filter replacement
The air cleaner filter can be cleaned for inspection using compressed air.
Do not attempt to wash or to rinse it, as water will damage the filter. If soiled,
the air cleaner filter must be replaced.
1. Loosen the air cleaner cover attaching clips and open the cover.
...
Hyundai Tucson (LM) 2010-2015 Service Manual: Repair procedures
Removal
1.
Remove the front bumper.
(Refer to the BD group - "Front bumper")
2.
Remove the bolts and disconnect the horn connectors, then remove the low pitch horn (A).
Installation
1.
Install the horns after connecting the horn connectors.
2.
Install the front bumper.
Inspection
...