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
18steps
~108min
4/5difficulty
Done 0 of 18

Inspection
  • Wrap the screwdriver or puller tool with protective tape.
  • Handle with care during storage and during disassembly/assembly, as it is easily contaminated by grease and oil.
Front Door Lock Module Inspection
  1. Remove the front door trim panel. (Refer to Body - "Front Door Trim")
  2. Remove the front door module. (Refer to Body - "Front Door Module")
  3. Disconnect the actuator connector.
    No Terminal Information
    left Right Side
    1 AJAR Switch Motor 2
    2 COM Motor 1
    3 Lock/Unlock Switch -
    4 Key Lock Switch Key Unlock Switch
    5 Key Unlock Switch Key Lock Switch
    6 - Lock/Unlock Switch
    7 Motor 1 COM
    8 Motor 2 AJAR switch
  4. Check actuator operation by connecting power and ground as specified in the table. To prevent actuator damage, apply battery voltage only momentarily.
  5. Remove the rear door trim panel. (Refer to Body - "Rear Door Trim")
  6. Remove the rear door module. (Refer to Body - "Rear Door Module")
  7. Disconnect the actuator connectors.
    No Terminal Information
    left Right Side
    1 AJAR Switch Motor 2
    2 COM Motor 1
    3 Lock/Unlock Switch -
    4 - -
    5 - -
    6 - Lock/Unlock Switch
    7 Motor 1 COM
    8 Motor 2 AJAR Switch
  8. Check actuator operation by connecting power and ground as specified in the table. To prevent actuator damage, apply battery voltage only momentarily.
  9. Remove the trunk lid trim. (Refer to Body - "Trunk Lid Trim")
  10. Disconnect the actuator connector.
  11. Check actuator operation by connecting power and ground as specified in the table. To prevent actuator damage, apply battery voltage only momentarily.
  12. When inspecting the trunk, the power supply option refers to the trunk module.
  13. Disconnect the negative (-) battery terminal.
  14. Remove the luggage compartment trim (Refer to Body - Luggage Compartment Trim).
  15. Disconnect the trunk open switch assembly connector (A).
  16. Check the continuity between the terminals in the half-latched state according to the table.
  17. Disconnect the connector (A).
  18. Check the continuity between the terminals and ground as specified in the table. (Refer to Body - "Hood Latch")
Rear Door Lock Module Inspection, Rear Door Lock Module Inspection, Trunk Open Switch, Hood Switch

Test yourself

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