Hyundai Azera: Heater & A/C Control Unit(Full Automatic) Components and Components Location
| Components |

| Connector | PIN No | Function | Connector | PIN No | Function |
| Connector (A) | 1 | Tail (+) | Connector (A) | 27 | Evaporator Sensor (+) |
| 2 | Sensor REF (+5V) | 28 | - | ||
| 3 | CAN HIGH | 29 | Incar Sensor (+) | ||
| 4 | CAN LOW | 30 | DR Photo (-) | ||
| 5 | Mode Actuator (VENT) | 31 | PS Photo (-) | ||
| 6 | Mode Actuator (DEF) | 32 | Closter Ionizer Diagnosis | ||
| 7 | Mode Actuator F/B | 33 | PAB Signal | ||
| 8 | Intake Actuator (FRE) | 34 | SBR Signal | ||
| 9 | Intake Actuator (REC) | 35 | FET (Gate) | ||
| 10 | Intake Actuator F/B | 36 | Incar Motor (-) | ||
| 11 | HI CAN (K-line) | 37 | Ion Signal | ||
| 12 | HTD | 38 | Clean Signal | ||
| 13 | Rear Defog S/W | 39 | ECV (+) | ||
| 14 | Temp Actuator PS (COOL) | 40 | ECV (-) GND | ||
| 15 | Temp Actuator PS (WARM) | Connector (B) | 1 | GND | |
| 16 | Temp Actuator PS F/B | 2 | IGN1 | ||
| 17 | - | 3 | Blower Motor (+) | ||
| 18 | - | 4 | Sensor GND | ||
| 19 | - | 5 | PAB_IGN1 | ||
| 20 | Rheostat | 6 | FET (Drain) | ||
| 21 | Rheo Detent OUT(+) | 7 | IGN2 | ||
| 22 | Hazard Signal | 8 | Battery | ||
| 23 | Temp Actuator DR (COOL) | | | ||
| 24 | Temp Actuator DR (WARM) | ||||
| 25 | Temp Actuator DR F/B | ||||
| 26 | Ambient Sensor (+) |
Controller
Heater & A/C Control Unit(Full Automatic) Repair proceduresChanging tires
1. Park on a level surface and apply the parking brake firmly.
2. Place the transaxle shift lever in P (Park).
3. Activate the hazard warning flasher.
4. Remove the wheel lug nut wrench, jack, ...
A/C Pressure Transducer Components and Components Location
Component Location
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Intake Actuator Repair procedures
Inspection
1.
Ignition "OFF".
2.
Disconnect the intake actuator connector.
3.
Verify that the actuator operates to the recirculation position when connecting 12V to the terminal 3 and grou ...