Hyundai Elantra (CN7): Multifunction Switch / Repair procedures

Hyundai Elantra (CN7) 2021-2025 Service Manual / Body Electrical System / Multifunction Switch / Repair procedures

Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the steering wheel.
(Refer to Steering System - "Steering Wheel")
3.
Remove the steering column upper and lower shrouds after loosening the screws.
(Refer to Body - "Steering Column Shroud Panal")
4.
Disconnect the multifunction switch connectors (B) and clock spring connector (A)

5.
Remove the clock spring (A).

6.
Remove the multifunction switch assembly after loosening the clamp (A).

Installation
1.
Install the multifunction switch.
2.
Install the clock spring.
3.
Install the steering column upper and lower shrouds.
4.
Install the steering wheel.
5.
Connect the negative (-) battery terminal.
Inspection
Multifunction Switch Inspection
1.
Check for continuity between the terminals in each switch position according to the table.

[Left Handle Drive]
Switch
Switch position
Resistance (Ω, ±3.5%)
Wiper switch
MIST
330
OFF
∞
Intermittent (AUTO)
800
LOW
1800
HIGH
5700
Wiper intermittent volume
Volume 1
330
Volume 2
690
Volume 3
1310
Volume 4
2610
Volume 5
7310
Fog lamp switch
OFF
∞
Front foglamp
910
Rear foglamp
2910
Turnsignal switch
OFF
∞
Left
910
Right
2910
Dimmer & Passing switch
OFF
∞
Passing
910
Dimmer
2910
Light switgh
OFF
∞
AUTO / DRL
680
Tail lamp
1680
Low beam
5580

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

    Specifications Items Specifications Rated voltageDC 12VOperating temperature range-40 to +176°F (-40°C to +80°C)Quantity of standard loadWasherRelated current : 7ABlucking current : 15AInrush current : 20A

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