Hyundai Elantra: SRSCM / Front Impact Sensor (FIS) Repair procedures

Hyundai Elantra AD (2016-2020) Service Manual / Restraint / SRSCM / Front Impact Sensor (FIS) Repair procedures

Removal
   
Removal of the airbag must be performed according to the precautions/ procedures described previously.
Before disconnecting the front impact sensor connector, disconnect the front airbag connector(s).
Do not turn the ignition switch ON and do not connect the battery cable while replacing the front impact sensor.
1.
Disconnect the battery negative cable, and wait for at least three minutes before beginning work.
2.
Disconnect the front impact sensor connector (A).

3.
Remove the front impact sensor (A) after loosening the mounting bolt.

Installation
   
Do not turn the ignition switch ON and do not contact the battery cable while replacing the front impact sensor.
1.
Install the new front impact sensor.
2.
Connect the front impact sensor connector.
3.
Install the front impact sensor mounting bolt.

Tightening torque :
7.8 ~ 9.8 N.m ( 0.8 ~ 1.0 kgf.m, 5.8 ~ 7.2 lb-ft)

4.
Reconnect the battery negative cable.
5.
After installing the Front Impact Sensor, confirm proper system operation :
A.
Turn the ignition switch ON; the SRS indicator light should be turned on for about six seconds and then go off.
Front Impact Sensor (FIS) Description and Operation
Description • The front impact sensors (FIS) are installed on the upper of the side panel in Front End Module (FEM). They are remote sensors that detect acceleration due to a collision at ...

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