Hyundai Sonata LF Quiz
Restraints

Front Impact Sensor (FIS) Repair Procedures

In this manual: Restraints
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
12steps
~72min
3/5difficulty
010203040509.87N·mlb·ft
Tightening torque found on this page
Done 0 of 12

Removal
  • Removal of the airbag must be performed in accordance with the precautions/procedures described earlier.
  • Before disconnecting the front impact sensor connector, disconnect the front airbag connector(s).
  • Do not turn the ignition ON or connect the battery cable when replacing the front impact sensor.
  1. Disconnect the negative battery cable and wait at least three minutes before starting work.
  2. Remove the front bumper. (Refer to Body - "Front Bumper Cover")
  3. Remove the upper radiator grille (A).
  4. Disconnect the front impact sensor connector (A).
  5. Remove the front impact sensor mounting nut.
  6. Remove the front impact sensor (B).

Installation
  • Do not turn the ignition ON or touch the battery cable when replacing the front impact sensor.
  1. Install a new front impact sensor.
  2. Tighten the front impact sensor mounting nut.

    Tightening torque: 7.8 ~ 9.8 N·m

  3. Connect the front impact sensor connector.
  4. Install the upper radiator grille.
  5. Connect the negative battery cable.
  6. After installing the front impact sensor, check that the system operates correctly:
    A. Turn the ignition ON; the SRS indicator should illuminate for approximately six seconds, then turn off.

Test yourself

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