Kia Optima: SRSCM / Front Impact Sensor (FIS)
Description and operation
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.
Components and components location

1. Front impact sensor (FIS)
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Repair procedures
1. |
Disconnect the negative battery terminal.
After disconnecting the cables, wait at least 3 minutes.
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2. |
Remove the front impact sensor (A) by loosening the bolt after disconnecting
the connector (B).
Tightening torque :
8.8 - 10.8 N·m (0.9 - 1.0 kgf·m, 6.5 - 7.2 lb·ft)
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[LH]

[RH]

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Do not turn the ignition switch ON and do not connect the battery
cable while replacing the front impact sensor.
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1. |
Install a new front impact sensor.
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2. |
Tighten the front impact sensor mounting bolt.
Tightening torque :
8.8 - 10.8 N.m (0.9 - 1.0 kgf.m, 6.5 - 7.2 lb-ft)
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3. |
Connect the front impact sensor connector.
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4. |
Install the radiator assembly.
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5. |
Reconnect the battery negative cable.
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6. |
After installing the front impact sensor, confirm proper system operation
:
Turn the ignition switch ON; the SRS indicator light should turn on for
about six seconds and then go off.
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Description and operation
Description
The primary purpose of the SRSCM (Supplemental Restraints System Control Module)
is to discriminate between an event that warrants restraint syste ...
Description and operation
Description
The Side Impact Sensor (SIS) system consists of two kinds of side impact sensor
which are installed at each center of the front door module (left ...
Other information:
Components and components location
Components
1. Strut complete
2. Roll rod bracket
3. Sub frame
4. Stabilizer bar
5. Steering gear box
6. Dynamic damper
7. Sub frame stay
...
Repair procedures
Removal
1.
Disconnect the negative battery terminal.
2.
Remove the steering column upper & lower shroud panel.
(Refer to Body - "Steering Column Shroud Panel")
3.
Remove the ignition lock ...