Hyundai Sonata: Controller / Heater & A/C Control Unit (Manual) Components and Components Location
| Components |
| Pin NO | Function | Pin NO | Function |
| 1 | ILL+ (TAIL) | 21 | Detent OUT (+) |
| 2 | Sensor REF (+5V) | 22 | HTD |
| 3 | Mode control actuator (Vent) | 23 | Rear defog switch |
| 4 | Mode control actuator (Defrost) | 24 | C_CAN High |
| 5 | Mode control actuator (Feedback) | 25 | C_CAN Low |
| 6 | Intake actuator (Fresh) | 26 | ECV+ |
| 7 | Intake actuator (Recirculation) | 27 | ECV- (Ground) |
| 8 | Intake actuator (Feedback) | 28 | AMB Sensor (+) |
| 9 | Driver's temperature control actuator (Cool) | 29 | EVAP Sensor (+) |
| 10 | Driver's temperature control actuator (Warm) | 30 | Blower MAX signal |
| 11 | Driver's temperature control actuator (Feedback) | 31 | Blower ON signal |
| 12 | Driver's seat heat indicator (Low) | 32 | - |
| 13 | Driver's seat heat indicator (Mid) | 33 | - |
| 14 | Driver's seat heat indicator (High) | 34 | - |
| 15 | Passenger's seat heat indicator (Low) | 35 | - |
| 16 | Driver's seat heat switch | 36 | - |
| 17 | Passenger's seat heat switch | 37 | - |
| 18 | Driver's cool switch | 38 | - |
| 19 | Passenger's cool switch | 39 | - |
| 20 | ILL- (RHEO) | 40 | Sensor ground |
| Pin NO | Function | Pin NO | Function |
| 1 | Ground | 9 | Ground |
| 2 | Driver's seat vent indicator (Low) | 10 | - |
| 3 | Driver's seat vent indicator (Mid) | 11 | - |
| 4 | Driver's seat vent indicator (High) | 12 | Passenger's seat heat indicator (Mid) |
| 5 | Passenger's seat vent indicator (Low) | 13 | Passenger's seat heat indicator (High) |
| 6 | Passenger's seat vent indicator (Mid) | 14 | - |
| 7 | Passenger's seat vent indicator (High) | 15 | IGN1 |
| 8 | IGN2 | 16 | Battery (+) |
| Pin NO | Function | Pin NO | Function |
| 1 | Low | 4 | Middle Low |
| 2 | Common | 5 | Middle High |
| 3 | Ground | 6 | High |
Controller
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Heater & A/C Control Unit (Manual) Repair procedures
Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Using a screwdriver or remover, remove the center fascia panel (A).
3.
Disconnect the A/C & heater controller connectors ...
Other information:
Hyundai Sonata LF 2014-2019 Service Manual: Specifications
Specification
ItemResistance (?)Driver Airbag (DAB)2.0 ~ 6.0Passenger Airbag (PAB)1.6 ~ 6.0Side Airbag (SAB)1.6 ~ 6.0Curtain Airbag (CAB)1.6 ~ 6.0Knee Airbag (KAB)1.6 ~ 6.0Seat Belt Pretensioner (BPT)1.6 ~ 6.0Emergency Fastening Device (EFD)1.6 ~ 6.0Seat Belt Buckle Switch (BS)1.6 ~ 6.0
Tigh ...
Hyundai Sonata LF 2014-2019 Service Manual: Components and Components Location
Components
1. Cylinder head cover2. Cylinder head cover gasket3. Cylinder head assembly4. Cylinder head gasket5. Camshaft position sensor6. Camshaft bearing cap7. Camshaft front bearing cap8. OCV (Oil Control Valve) adapter9. O-ring
1. Exhaust camshaft2. Intake camshaft3. Exhaust CVVT asse ...