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.

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.

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 ...

Side Impact Sensor (SIS) Components and Components Location

Components 1. Front Pressure Side Impact Sensor (P-SIS)2. Front Gravity Side Impact Sensor (G-SIS) ...

Other information:

Hyundai Elantra AD (2016-2020) Service Manual: Engine Coolant Temperature Sensor (ECTS) Repair procedures
Inspection 1. Turn the ignition switch OFF. 2. Disconnect the ECTS connector. 3. Remove the ECTS. 4. After immersing the thermistor of the sensor into engine coolant, measure resistance between the ECTS terminals 1 and 3. 5. Check that the resistance is within the specification. ...

Hyundai Elantra AD (2016-2020) Service Manual: Repair procedures
Component Replacement After Deployment • Before doing any SRS repairs, use the GDS Pro to check for DTCs. Refer to the Diagnostic Trouble Code list for repairing of the related DTCs. When the front airbag(s) deployed after a collision, replace the following i ...