Hyundai Sonata LF Quiz
Body Electrical System

Windshield Wiper and Washer Switch 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. If it is necessary to remove the multifunction switch assembly, remove the steering wheel. (Steering System - "Steering Wheel")
  3. Remove the upper steering column shroud (A). (Refer to Body - "Steering Column Shroud 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. Loosen the screws (2 pcs) on the multifunction switch unit (A).

Installation

  1. Install the multifunction switch.
  2. Install the clock spring and steering wheel.
  3. Install the upper and lower steering column covers.
  4. Install the steering wheel.

Inspection (with Multifunction Switch)

  1. While pressing each switch, check the power supply between the multifunction switch connector and ground. If the power supply does not meet the specification, replace the switch.
    Description Switch No Resistance Value (Ω, ±1%)
    Wiper Switch Signal FOG 1 - 9 330
    OFF ?
    INT (AUTO) 800
    Low 1800
    High 5700
    Front Wiper INT Volume Level 1 7 - 9 330
    Level 2 690
    Level 3 1310
    Level 4 2610
    Level 5 7310
    Fog Light Switch OFF 9 - 10 ?
    ON 910
    Turn Signal Switch OFF 9 - 12 ?
    Left 910
    Right 2910
    Headlamp High/Low Beam Switch OFF 9 - 13 ?
    Passing 910
    Dimmer 2910
    Switch OFF 9 - 14 ?
    Auto 680
    Rear Lamp 1680
    Headlamp (Low Beam) 5580
  2. The body electrical system can be quickly diagnosed for faulty parts 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 check the body control module (BCM).
  5. Select the "Current Data" menu to check the current status of input/output data. Input/output data for sensors related to the body control module (BCM) can be checked.

Test yourself

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