Hyundai Elantra (CN7): Fuses And Relays / Relay Box (Passenger Compartment)

Hyundai Elantra (CN7) 2021-2026 Service Manual / Body Electrical System / Fuses And Relays / Relay Box (Passenger Compartment)

Repair procedures

Fuse Inspection
1.
Check that the fuse holders are loosely held and that the fuses are securely fixed by the holders.
2.
Check that each fuse circuit has the exact fuse capacity.
3.
Check the fuses for any damage.
   
•
If a fuse is to be replaced, be sure to use a new fuse of the same capacity. Always identify the cause of the blown fuse and completely eliminate the problem before installing a new fuse.
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)
The diagnostic system(Diagnostic tool) provides the following information.
(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.

Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the crash pad lower panel.
(Refer to Body - "Crash Pad Lower Panel")
3.
Disconnect the connectors from the fuse side of the ICU.

4.
Remove the ICU (A) after loosening the mounting nuts.

5.
Disconnect the connectors from the back side of the ICU.

Installation
1.
Install the smart junction box.
2.
Install the crash pad lower panel.
3.
Connect the negative (-) battery terminal.
4.
Check that all system operates normally.

    Repair procedures Inspection1.Disconnect the negative (-) battery terminal.2.Pull out the relay from the engine compartment relay block.Power Relay (Type A) Check for continuity between the terminals.

    Other information:

    Hyundai Elantra (CN7) 2021-2026 Service Manual: Description and operation

    Description and OperationBlcok Diagram    â€¢ This system monitors the driving situations through the radar and the camera. Thus, for a situation out of the sensing range, the system may not normally operate. The System may be limited when : • The radar sensor or camer

    Hyundai Elantra (CN7) 2021-2026 Service Manual: Desctiprion and operation

    DescriptionADAS_PRK is a unit that controls the functions required for ADAS parking. If the ADAS_PRK is applied, the parking distance warning function is also controlled by the ADAS_PRK.System FunctionParking Collision-Avoidance Assist (PCA)PCA is a parking safety system that assists in collision warning and emergency braking in the event of a coll

    Categories

     
    Copyright © 2026 www.helantra7.com - 0.0227