Hyundai Accent (HC): Body Electrical System / Button Engine Start System

Contents:

Components and Components Location

- Component Location

1. Smart key unit
2. Interior antenna 1
3. Interior antenna 2
4. Interior antenna 3
5. Bumper antenna
6. Buzzer
7. Electronic steering column lock (ESCL)
8. Door outside handle antenna
9. FOB Key


Schematic Diagrams

- Circuit Diagram (1)

Description and Operation ➤

Start/Stop Button

- Component

- Removal

1.Disconnect the negative (-) battery terminal.

2.Remove the center facia panel(Refer to Body - "Crash Pad")

3.Remove the audio unit.(Refer to Audio - "Audio Unit")

4.Remove the start/stop button (A) after disengaging the mounting clip (B).

5.Disconnect the start/stop button connector (A).

- Installation

1.Install the start/stop button.

2.Install the crash pad lower panel.

3.Connect the negative (-) battery terminal.

ESCL(Electronic Steering Column Lock)

- Component

- Removal

1.Disconnect the negative(-) battery terminal.

2.Remove the crash pad lower panel.(Refer to Body - "Crash Pad Lower Panel")

3.Remove the steering column upper and lower shrouds.(Refer to Body - "Steering Column Shroud Panel")

4.Disconnect the electronic steering column lock connector (A).

5.Remove the electronic steering column lock (A) after loosening the mounting bolts.

- Installation

1.Install the electronic steering column lock (A).

   

Do not reuse the shear bolts.When installing the new shear bolts to the electronic steering column lock, tighten the shear bolts until its head is cut off.

Tightening torque :7.0 - 13.0 N.m (0.7 - 1.3 kgf.m, 5.0 - 9.4 lb.ft)

2.Install the steering column.

3.Install the crash pad lower panel.

Other information:

Hyundai Accent (HC) (2017 - 2022) Service Manual: ETC (Electronic Throttle control) System

- Description The Electronic Throttle Control (ETC) System consists of a throttle body with an integrated control motor and throttle position sensor (TPS). Instead of the traditional throttle cable, an Accelerator Position Sensor (APS) is used to receive driver input. The ECM uses the APS signal to calculate the target throttle angle; the position of the throttle is then adjusted via ECM control of the ETC motor.

Hyundai Accent (HC) (2017 - 2022) Service Manual: Heater & A/C Control Unit (FATC)

- Components ConnectorPin NOFunctionConnectorPin NOFunction A1Battery (+)A21IGN2 2ADS Sensor (PWM)22IGN1 3ILL+ (TAIL)23HTD (Rear defog indicator) 4C_CAN High24PAB off signal 5C_CAN Low25PAB IGN1 6Defrost actuator (Open)26Sensor ground REF (+5V) 7Defrost actuator (Close)27Detent out (-) 8Mode control actuator (Vent)28Ambient Temperature Sensor (+) 9Mode control actuator (Def)29Evaporator Temperature Sensor (+) 10Temperature control actuator (Cool)30Photo sensor (-) 11Temperature control actuator (Warm)31- 12Intake actuator (Fresh)32- 13Intake actuator (Recirculation)33Hazard signal 14Mode control actuator (Feedback)34Rear defog swich 15Tmperature control actuator (Feedback)35- 16Intake actuator (Feedback)36Blower motor (+) 17Defrost actuator (Feedback)37Fet (Drain feedback) 18ECV+38Fet (Gate) 19ECV- (Ground)39Sensor ground 20ILL- (RHEO)40Ground - Self Diagnosis 1.

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