Hyundai Accent (HC): Body Electrical System / Auto Lighting Control System

Contents:

Specifications

- Specifications

ItemsSpecifications
Rated voltage5V
LoadMax. 1mA (When head lamp lighting)
Illuminations (LUX)501.42 ± 0.31V
1002.63 ± 0.58V
1503.84 ± 0.84V

Components and Components Location

- Component Location

1. Auto light sensor
2. Head lamps
3. Lighting switch (Auto)
4. Tail lamps
5. BCM (Body Control Module)


Schematic Diagrams

- Circuit Diagram

Auto Light Switch

- Inspection

1.Oprate the auto light swith, then check for continuity between terminals of multi-function switch connector.

Switch PositionSwitcH TerminalResistance (Ω, ±3.5%)
OFF9-14680
AUTO / DRL∞
Tail lamp1680
Low beam1680

Auto Light Sensor

- Inspection In the state of IGN1 ON, when the multi function switch module detects auto light switch on, tail lamp relay output and head lamp low relay output are controlled according to auto light sensor's input.If IGN1 ON, The BCM monitors the range of this supply and raises up a failure as soon as the supply’s voltage is out of range. Then this failure occurs and as long as this is present, the head lamp must be turned on without taking care about the sunlight level provided by the sensor.This is designed to prevent any head lamp cut off when the failure occurs during the night. - Removal

1.Disconnect the negative (-) battery terminal.

2.Remove the photo & auto light sensor (A) from crash pad upper side by using screw (-) driver.

3.Remove the auto light connector.

- Installation

1.Reconnect the auto light connector.

2.Install the auto light sensor.

Other information:

Hyundai Accent (HC) (2017 - 2022) Service Manual: Warning and Indicator Lights

Information Make sure that all warning lights are OFF after starting the engine. If any light remains ON, it indicates a condition that requires attention. Air Bag Warning Light This warning light illuminates: When the ignition switch is turned to the ON position. - It illuminates for approximately 6 seconds and then turns off. When there is a malfunction in the Supplemental Restraint System (SRS).

Hyundai Accent (HC) (2017 - 2022) Service Manual: Seat Belt Restraint System

In the Hyundai Accent, the seat belt restraint system is designed to hold occupants in the correct position during everyday driving and to help reduce injury risk in a sudden stop or collision. For the best protection, always wear your seat belt correctly and confirm every passenger is properly buckled up before the Hyundai Accent starts moving. WARNING Improperly positioned seat belts may increase the risk of serious injury in an accident.

Contents

Categories

 
Copyright © 2026
0.0079