Hyundai Santa Fe: Multifunction Switch / Repair procedures

Hyundai Santa Fe (TM) 2019-2024 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. (Refer to Body - "Steering Column Shroud Panel")

4.	Disconnect the multifunction switch connector (A).

5.	Loosen the screws (2EA) and then remove the multifunction switch assembly (A).

Installation

1.	Install the multifunction switch.

2.	Install the clock spring and steering wheel.

3.	Install the steering column upper and lower shrouds.

4.	Install the steering wheel.

Inspection

Multifunction Switch Inspection

Check for continuity between the terminals in each switch position as shown below.

Switch	Switch position	Switch terminal	Resistance (Ω, ±3.5%)
Front wiper switch	MIST	1-9	330
	OFF		∞
	INT (AUTO)		800
	LOW		1800
	HIGH		5700
Front wiper intermittent volume	Volume 1	7-9	330
	Volume 2		690
	Volume 3		1310
	Volume 4		2610
	Volume 5		7310
Rear wiper switch	OFF	4-16	∞
	LOW		910
	HIGH		2000
Fog lamp switch	OFF	9-10	∞
	Front foglamp		910
	Rear foglamp		2910
Turn signal switch	OFF	9-12	∞
	Left		910
	Right		2910
Dimmer & Passing switch	OFF	9-13	∞
	Passing		910
	Dimmer		2910
Light switgh	OFF	9-14	680
	AUTO / DRL		∞
	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.

Specifications

Specifications Items Specifications Rated voltage DC 12V Operating temperature range -22 to +176°F (-30°C to +80°C) Rated load Dimmer & passing switch High : 0...

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Categories

Air bag collision sensors

WARNING

To reduce the risk of an air bag deploying unexpectedly and causing serious injury or death:

Do not hit or allow any objects to impact the locations where air bags or sensors are installed. Do not perform maintenance on or around the air bag sensors. If the location or angle of the sensors is altered, the air bags may deploy when they should not or may not deploy when they should. Installing bumper guards with nongenuine Hyundai or non-equivalent parts may adversely affect the collision and airbag deployment performance. Press the Engine Start/Stop button to the OFF or ACC position and wait for 3 minutes when the vehicle is being towed to prevent inadvertent air bag deployment. Have all air bag repairs performed by an authorized HYUNDAI dealer.