Hyundai Elantra: SRSCM / Side Impact Sensor (SIS) Repair procedures

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

Removal

Pressure Side Impact Sensor

•	Removal of the airbag must be performed according to the precautions/procedures described previously.

•	Before disconnecting the side impact sensor connector(s), disconnect the side airbag connector(s).

•	Do not turn the ignition switch ON and do not connect the battery cable while replacing the side impact sensor.

1.	Disconnect the battery negative cable, and wait for at least three minutes before beginning work.

2.	Remove the front door trim. (Refer to Body - "Front Door Trim")

3.	Disconnect the pressure side impact sensor connector (A).

4.	Remove the side impact sensor (A) after loosening the side impact sensor mounting screws.

Gravity Side Impact Sensor

1.	Disconnect the battery negative cable and wait for at least three minutes before beginning work.

2.	Remove the door scuff trim. (Refer to Body - "Interior Trim")

3.	Remove the center pillar trim. (Refer to Body - "Interior Trim")

4.	Disconnect the side impact sensor connector (A).

5.	Remove the side impact sensor (A) after loosening the side impact sensor mounting bolt.

Installation

Pressure Side Impact Sensor

Install the pressure side impact sensor with the screw then connect the pressure side impact sensor connector.

Tightening torque :

2.0 ~ 2.9 N.m (0.2 ~ 0.3 kgf.m, 1.4 ~ 2.2 lb-ft)

2.	Install the front door trim. (Refer to Body - "Front Door Trim")

3.	Reconnect the battery negative cable.

After installing the pressure side 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.

•	You must comply with the specified tightening torques with the tool specified because Pressure – Side Impact Sensors (P-SIS) may be broken or POP-NUT may be rotated.

•	Problems may be occurred in the durability of P-SIS or impact sensing performance may be depreciated if POP-NUT is rotated.

•	The door module must not be transformed because SRSCM judges a impact through the pressure sensor in the door module.

Gravity Side Impact Sensor

•	Do not turn the ignition switch ON and do not connect the battery cable while replacing the side impact sensor.

Install the side impact sensor with the bolt then connect the side impact sensor connector.

Tightening torque :

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

2.	Install the center pillar trim. (Refer to Body - "Interior Trim")

3.	Install the door scuff trim. (Refer to Body - "Interior Trim")

4.	Reconnect the battery negative cable.

After installing the Side 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.

Side Impact Sensor (SIS) Description and Operation

Description • Side Impact Sensors (SIS), each installed on the center part of the right and left front door modules and the right and left center pillars, detects side impact during colli ...

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