Hyundai Elantra (CN7): Body Electrical System / Multifunction Switch

Hyundai Elantra (CN7) 2021-2026 Service Manual / Body Electrical System / Multifunction Switch

Components and components location

Component

1. Steering column
2. Multifunction switch
3. Clock spring

4. Steering wheel
5. Driver airbag module (DAB)

Specifications

Items		Specifications
Rated voltage		DC 12V
Operating temperature range		-40 to +176°F (-40°C to +80°C)
Quantity of standard load	Washer	Related current : 7A Blucking current : 15A Inrush current : 20A

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

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)

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.

❮Special service tools

Special Service Tools Tool (Number and Name) Illustration Application RKE Battery Checker(09954-2P100)Measuring the RKE battery voltage.

Horn❯

Components and components location Component Location1. Horn switch2. Horn relay (Engine room compartment)3. Horn (Low pitch)4. Horn (High pitch)5. Clock spring Repair procedures Removal1.

Other information:

Hyundai Elantra (CN7) 2021-2026 Service Manual: Photo Sensor

Description and operation Description 1.The photo sensor is located at the center of the defrost nozzles.2.The photo sensor contains a photovoltaic (sensitive to sunlight) diode. The solar radiation received by its light receiving portion, generates an electromotive force in proportion to the amount of radiation received which is transferred to

Hyundai Elantra (CN7) 2021-2026 Service Manual: Blower Motor

Repair procedures Inspection1.Connect the battery voltage and check the blower motor rotation.Replacement1.Disconnect the negative (-) battery terminal.2.Disconnect the blower motor connector (A) and then remove the blower motor (B) after loosening the screws.