Hyundai Accent (HC): Body Electrical System / Power Door Locks

Contents:

Components and Components Location

- Component Location

1. Driver power window main switch
2. Body Control Module (BCM)
3. Door look switch
4. Tailgate lock actuator
5. Front door lock actuator
6. Rear door lock actuator


Power Door Lock Actuators

- Inspection Front Door Lock Module Inspection

1.Remove the front door trim.(Refer to Body - "Front Door Trim")

2.Remove the front door module.(Refer to Body - "Front Door Module")

3.Disconnect the connectors from the actuator.

NoPin Information
LHRH
1Motor 1Lock / UnLock switch
2Motor 2COM
3-Key Lock switch
4Key Unlock switchKey Unlock switch
5Key Lock switch-
6COMMotor 2
7Lock / UnLock switchMotor 1

4.Check actuator operation by connecting power and ground according to the table. To prevent damage to the actuator, apply battery voltage only momentarily.

Rear Door Latch Inspection

1.Remove the rear door trim.(Refer to Body - "Rear Door Trim")

2.Remove the rear latch.(Refer to Body - "Rear Door Latch")

3.Disconnect the connectors from the actuator.

NoPin Information
LHRH
1Motor 1Lock / UnLock switch
2Motor 2COM
3--
4--
5--
6COMMotor 2
7Lock / UnLock switchMotor 1

4.Check actuator operation by connecting power and ground according to the table. To prevent damage to the actuator, apply battery voltage only momentarily.

Door switch

1.Remove the door switch (A) after loosening the screw and disconnecting the connector (B).

2.Check for continuity between the terminals in each switch position according to the table.

Trunk Lock Module Inspection

1.Remove the tailgate trim. (Refer to Body - "Tailgate Trim")

2.Disconnect the connector from the actuator.

3.Check for continuity between the terminals in each switch position according to the table.

4.Check actuator operation by connecting power and ground according to the table. To prevent damage to the actuator, apply battery voltage only momentarily.

Power Door Lock Switch

- Diagnosis with Diagnostic tool Diagnosis with Diagnostic tool

1.In the body electrical system, failure can be quickly diagnosed by using the vehicle diagnostic system (Diagnostic tool).The diagnostic system (Diagnostic tool) provides the following information.

(1)Fault Code Searching : Checking failure and code number (DTC)

(2)Data Analysis : Checking the system input/output data state

(3)Actuation test : Checking the system operation condition

(4)S/W Management : Controlling other features including system option setting and zero point adjustment

2.If diagnose the vehicle by Diagnostic tool, select "DTC Analysis" and "Vehicle".

3.If check current status, select the "Data Analysis" and "Car model".

4.Select the 'ICU' to search the current state of the input/output data.

5.To forcibly actuate the input value of the module to be checked, select option 'Actuation Test'.

- Removal Driver Power Window Switch

1.Disconnect the negative (-) battery terminal.

2.Remove the front door trim.(Refer to Body - "Front Door Trim")

3.Remove the power window switch assembly (A) by pulling out both ends of the switch holders (B).

- Installation Driver Power Window Switch

1.Install the power window switch assembly.

2.Install the front door trim after connect the connector.

Other information:

Hyundai Accent (HC) (2017 - 2022) Service Manual: Description and Operation

- Description of ESP Optimum driving safety now has a name : ESP, the Electronic Stability Program.ESP recognizes critical driving conditions, such as panic reactions in dangerous situations, and stabilizes the vehicle by wheel-individual braking and engine control intervention with no needfor actuating the brake or the gas pedal.ESP adds a further function known as Active Yaw Control (AYC) to the ABS, TCS, EBD and ESP functions.

Hyundai Accent (HC) (2017 - 2022) Service Manual: Description and Operation

- Description System Overview The System offers the following features: – Human machine interface through a 1-stage button, for terminal switching and engine start. – Control of external relays for ACC / IGN1 / IGN2 terminal switching and STARTER, without use of mechanical ignition switch. – Steering column locking with an ESCL device; Monitoring of the vehicle status to insure safe activation of the ESCL.

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