Kia Rio: SRSCM / Front Impact Sensor (FIS)

Kia Rio 2017-2023 YB Service Manual / Restraint / SRSCM / Front Impact Sensor (FIS)

Description and operation

Description

•

The front impact sensor (FIS) is installed in the Front End Module (FEM). They are remote sensors that detect acceleration due to a collision at its mounting location. The primary purpose of the Front Impact Sensor (FIS) is to provide an indication of a collision. The Front Impact Sensor (FIS) sends acceleration data to the SRSCM.

•	They are remote sensors that detect acceleration due to a collision at its mounting location.

•	The primary purpose of the Front Impact Sensor (FIS) is to provide an indication of a collision. The Front Impact Sensor (FIS) sends acceleration data to the SRSCM.

Components and components location

Components

1. Front Impact Sensor (FIS)

Repair procedures

Removal

1.	Disconnect the battery negative terminal, and wait for at least thirty seconds before beginning work.

2.	Disconnect the front impact sensor connector (A).

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

Installation

Do not turn the ignition switch ON and do not connect the battery terminal while replacing the front impact sensor.

1.	Install the new front impact sensor.

Tighten the front impact sensor mounting bolt.

Tightning torque :

3.0 - 4.0 N.m (0.3 - 0.4 kgf.m . 2.2 - 2.9 lb-ft)

3.	Connect the front impact sensor.

4.	Reconnect the battery negative terminal.

5.	After installing the Front Impact Sensor, confirm proper system operation: • Turn the ignition switch ON; the SRS indicator light should be turned on for about six seconds and then go off.

❮SRS Control Module (SRSCM)

Description and operation Description The primary purpose of the SRSCM (Supplemental Restraints System Control Module) is to discriminate between an event that warrants restraint system deployment and an event that does not.

Side Impact Sensor (SIS)❯

Description and operation Description • Side Impact Sensor (SIS) system consists of two Pressure Side Impact Sensor (P-SIS) which are installed at each center of the front door module (LH and RH).

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