Hyundai Accent (HC): Controller / Heater & A/C Control Unit (Manual)

- Components

ConnectorPin NOFunctionConnectorPin NOFunction
B1Battery (+)B17IGN2
2-18ILL+ (TAIL)
3IGN119-
4-20Sensor ground REF (+5V)
5Intake actuator (Fresh)21HTD (Rear defog indicator)
6Intake actuator (Recirculation)22Hazard signal
7Intake actuator (Feedback)23Rear defog swich
8Evaporator Temperature Sensor (+)24-
9Ambient Temperature Sensor (+)25-
10Blower on signal common26-
11Max blower on signal27
12-28ECV+
13C_CAN High29ECV- (Ground)
14C_CAN Low30ILL- (RHEO)
15-31Sensor ground
16Ground32Ground

- Replacement

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: 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.

Hyundai Accent (HC) (2017 - 2022) Service Manual: Heated Steering wheel

- Components Heated steering wheel switch 1. Heated steering wheel switch Heated steering wheel control unit 1. Heated steering wheel control unit Heated steering wheel pad 1. Heated steering wheel control pad - Description • For the convenience of drivers during the winter, exothermic paint is applied to the surface of the steering wheel to generate heat when it is gripped.

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