Hyundai Accent (HC): Controller / Heater & A/C Control Unit (Manual)
| Connector | Pin NO | Function | Connector | Pin NO | Function |
| B | 1 | Battery (+) | B | 17 | IGN2 |
| 2 | - | 18 | ILL+ (TAIL) | ||
| 3 | IGN1 | 19 | - | ||
| 4 | - | 20 | Sensor ground REF (+5V) | ||
| 5 | Intake actuator (Fresh) | 21 | HTD (Rear defog indicator) | ||
| 6 | Intake actuator (Recirculation) | 22 | Hazard signal | ||
| 7 | Intake actuator (Feedback) | 23 | Rear defog swich | ||
| 8 | Evaporator Temperature Sensor (+) | 24 | - | ||
| 9 | Ambient Temperature Sensor (+) | 25 | - | ||
| 10 | Blower on signal common | 26 | - | ||
| 11 | Max blower on signal | 27 | |||
| 12 | - | 28 | ECV+ | ||
| 13 | C_CAN High | 29 | ECV- (Ground) | ||
| 14 | C_CAN Low | 30 | ILL- (RHEO) | ||
| 15 | - | 31 | Sensor ground | ||
| 16 | Ground | 32 | Ground |
1.Disconnect the negative (-) battery terminal.
2.Remove the crash pad lower panel.(Refer to Body - "Crash Pad Lower Panel")
3.Remove the audio unit.(Refer to Body Electrical System - "Audio Unit")
4.Remove the glove box.(Refer to Crash Pad - "Glove Box Upper Cover Housing")
5.Remove the driver's side shower duct (A) after loosening the screw.
6.Disconnect the mode control cable (A).
7.Remove the passenger's side shower duct (A) after loosening the screw.
8.Disconnect the temperature control cable (A).
9.After loosening the mounting screws, remove the A/C & heater controller unit (A).
10.Disconnect the A/C & heater controller connectors (A).
11.To install, reverse the removal procedure.
Other information:
Hyundai Accent (HC) (2017 - 2022) Service Manual: Specifications
- Service data ItemSpecification Transmission typeSmartstream IVT Engine typeGasoline 1.6 MPI Clutch typeTorque converter Torque converter sizeØ 210mm(8.2677in.) Oil pump typeChain drive vane pump Planetary gearDouble pinion planetary gear Gear ratioForward2.68 - 0.385 Reverse2.822 - 1.822 Final gear ratio4.892 Component elementsOil pump1 unit Oil filterMain filter : 1 unit pressure filter : 1 unit Clutch1 unit Brake1 unit Planetary gear1 unit Drive pulley1 unit Driven Pulley1 unit Chain belt1 unit Solenoid valveDirect Control VFS : 1 units Indirect Control VFS : 4 units *IVT : Intelligent Variable Transmission *IVTF : Intelligent Variable Transmission Fluid*VFS : Variable Force SolenoidPosition Switch ItemSpecification Power supply (V)4.Hyundai Accent (HC) (2017 - 2022) Service Manual: Spark Plug
- Specification ItemSpecification TypeSILZKR7E9 Gap0.8 - 0.9 mm (0.0354 - 0.0394 in.) Electrode MaterialNickel Alloy - Description A spark plug is a device for delivering electric current from an ignition system to the combustion chamber of a spark-ignition engine to ignite the compressed fuel/air mixture therein by means of an electric spark, while containing combustion pressure within the engine.
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