Hyundai Sonata: Repair procedures - Multifunction Switch - Body Electrical SystemHyundai Sonata: 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.
Remove the clock spring.
(Refer to Restraint - "Driver Airbag (DAB) Module and Clock Spring")

5.
Disconnect the multifunction switch connector (A).

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

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.
Inspection
Multifunction Switch Inspection
1.
Check for continuity between the terminals in each switch position according to the table.

Switch
Switch Position
Switch Terminal
Resistance (?, ±3.5%)
Wiper switch
MIST
1-9
330
OFF
?
Intermittent (AUTO)
800
LOW
1800
HIGH
5700
Wiper intermittent volume
Volume 1
7-9
330
Volume 2
690
Volume 3
1310
Volume 4
2610
Volume 5
7310
Fog lamp switch
OFF
9-10
?
Front foglamp
910
Turnsignal switch
OFF
9-12
?
Left
910
Right
2910
Dimmer & Passing switch
OFF
9-13
?
Passing
910
Dimmer
2910
Light switgh
OFF
9-14
?
AUTO / DRL
680
Tail lamp
1680
Low beam
5580

Inspection (with GDS)
1.
The body electrocal system can be quickly diagnosed failed parts with vehicle diagnostic system(GDS).
The diagnostic system(GDS) provides the following information.
(1)
Self diagnosis : Checking the failure code (DTC) and display
(2)
Current data : Checking the system input/output data state
(3)
Actuation test : Checking the system operation condition
(4)
Additional function : Other controlling such as he system option and zero point adjustment
2.
Select the "Car Model" and the system to be checked in order to check the vehicle with the tester.
3.
Select the "Body Control Module (BCM)" to check the multi function switch.
4.
Select the "Current Data" menu to search the current state of the input/output data.
The input/output data for the sensors corresponding to the multi function switch can be checked.

    Components and Components Location
    Component 1. Steering column2. Multifunction switch3. Screw4. Clock spring ...

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