Hyundai Sonata LF Quiz
Body Electrical System

Repair Procedures

In this manual: Body Electrical System
General Information — 9Engine Mechanical System — 90Engine Electrical System — 58Emission Control System — 24Engine Control System/Fuel System — 114Drive Shaft and Axle — 15Suspension System — 35Steering — 19Restraints — 50Brake System — 54Body (Interior and Exterior) — 213Body Electrical System — 241Heating, Ventilation, and Air Conditioning — 56DCT (Dual Clutch Transmission) System — 52
15steps
~90min
4/5difficulty
Done 0 of 15

Removal

  1. Disconnect the negative (-) battery terminal.
  2. Remove the steering wheel. (Refer to Steering System - "Steering Wheel")
  3. Remove the upper and lower steering column covers after loosening the screws. (Refer to Body - "Steering Column Cover Panel")
  4. Remove the clock spring. (Refer to Restraint System - "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 upper and lower steering column covers.
  4. Install the steering wheel.

Inspection

Multifunction Switch Inspection
  1. Check the continuity between the terminals at each switch position according to the table.
    Switch Switch Position Switch Terminal Resistance (Ω, ±3.5%)
    Wiper Switch FOG 1-9 330
    OFF ?
    Intermittent (AUTO) 800
    LOW 1800
    HIGH 5700
    Intermittent Wiper Volume Level 1 7-9 330
    Level 2 690
    Level 3 1310
    Level 4 2610
    Level 5 7310
    Fog Light Switch OFF 9-10 ?
    Front Fog Lamp 910
    Turn Signal Switch OFF 9-12 ?
    Left 910
    Right 2910
    Dimmer and Headlight Switch OFF 9-13 ?
    Passing 910
    Dimmer 2910
    Switch OFF 9-14 ?
    AUTO / DRL 680
    Rear Lamp 1680
    Low Beam 5580
  2. Body electrical system malfunctioning parts can be quickly diagnosed using the Global Diagnostic System (GDS). The GDS provides the following information.
    1. Self-Diagnosis: Diagnostic Trouble Code (DTC) check and display
    2. Current Data: Check the system input/output status.
    3. Actuation Test: Check the system operating status
    4. Additional Functions: Other controls such as system option and zero point adjustment.
  3. Select "Vehicle Model" and the system to be checked to inspect the vehicle with the tester.
  4. Select "Body Control Module (BCM)" to inspect the multifunction switch.
  5. Select the "Current Data" menu to check the current input/output status. Input/output data for the sensors related to the multifunction switch can be checked.
Inspection (with Multifunction Switch)

Test yourself

A quick Hyundai Sonata LF quiz: every answer comes with an explanation and a link to the manual page.