Hyundai Accent (HC): Body Electrical System / BCM (Body Control Module)

Contents:

Specifications

- Specifications

ItemsSpecifications
Rated voltageDC 12V
Operating voltageDC 9 - 16V
Operating temperature-30°C to 75°C (-4°F to 158°F)
Dark currentKeyless type : 3.5 mA
Non keyless type : 2.5 mA
SMK type : 2.5 mA

Components and Components Location ➤

Schematic Diagrams

- Circuit Diagram

Description and Operation ➤

Repair procedures

- Removal

1.Disconnect the negative (-) battery terminal.

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

3.Disconnect the BCM connectors.

4.Remove the body control module (A) after loosening the mounting bolt and nut.

- Installation

1.Install the body control module.

2.Connect the body control module.

3.Install the crash pad lower panel.

- BCM Diagnosis With Diagnostic tool

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

(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 'IBU_BCM' to search the current state of the input/output data.

Other information:

Hyundai Accent (HC) (2017 - 2022) Service Manual: Cylinder Block

- Disassembly     • Use fender covers to avoid damaging painted surfaces. • To avoid damage, unplug the wiring connectors carefully while holding the connector portion.     • Mark all wiring connector and hoses to avoid misconnection. • To release the fuel system pressure before removing the engine assembly, start the engine without fuel pump relay.

Hyundai Accent (HC) (2017 - 2022) Service Manual: Position Switch

- Specifications ItemSpecification Power supply (V)4.5 - 5.5V Output typePWM (S1, S2), ON/OFF (Ps, Ns) - Component Location 1. Position switch2. Manual control lever - Circuit Diagram - Inspection     • Inspect the connector thoroughly for looseness, poor connection, bending, corrosion, contamination, deformation, or damage.

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