Kia Cadenza YG: SRSCM / Side Impact Sensor (SIS) Repair procedures

Kia Cadenza YG 2016-2021 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 the Body group- Front door)
3.
Disconnect the pressure side impact sensor connector (B) and remove the pressure side impact sensor mounting screws (A).

Rear Side Impact Sensor
1.
Disconnect the battery negative cable and wait for at least three minutes before beginning work.
2.
Remove the rear seat back assembly. (Refer to the Body group - Rear seat)
3.
Disconnect the rear side impact sensor connector (B).

4.
Loosen the rear side impact sensor mounting bolt and remove the rear side impact sensor (A).
Installation
Pressure Side Impact Sensor
1.
Install the screw gromments (A).

   
•
Do not reuse the screw gromments (A), whenever installing.
2.
Install the new pressure side impact sensor with the screws (B) then connect the pressure side impact sensor connector.
Tightening torque :
1.1 ~ 1.3 N.m (0.11 ~ 0.13 kgf.m, 0.7 ~ 1.0 lb-ft)
3.
Install the front door trim. (Refer to the Body group- Front door)
4.
Reconnect the battery negative cable.
5.
After installing the pressure side 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.
   
•
You must comply with the specified tightening torques with the tool specified because Pressure – Side Impact Sensors (P-SIS) may be broken or screw gromment may be rotated.
•
Problems may be occurred in the durability of P-SIS or impact sensing performance may be depreciated if screw gromment is rotated.
•
The door module must not be transformed because SRSCM judges a impact through the pressure sensor in the door module.
Rear Side Impact Sensor
   
•
Do not turn the ignition switch ON and do not connect the battery cable while replacing the side impact sensor.
1.
Install the new rear side impact sensor with a bolt and then connect the rear 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 rear seat (Refer to the Body group - Rear seat)
3.
Reconnect the battery negative cable.
4.
After installing the Side 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.

    Components

    Description The SRSCM shall monitor the status of the driver and front passenger seat belt buckle. The SRSCM provides one pin each for the driver and front passenger seat belt buckle status input.

    Other information:

    Kia Cadenza YG 2016-2021 Service Manual: Specifications

    Specification ItemSpecificationUltrasonic sensorVoltage ratingDC 12 VDetecting range30 cm ~ 120 cmOperation voltageDC 9 ~ 16 VOperation currentMAX 300 mAOperation temperature-30°C ~ +80°C (-22°C ~ +176°C)Operation frequency48 ± 5 KHzEffective operating velocity10 KPH (6.

    Kia Cadenza YG 2016-2021 Service Manual: Repair procedures

    Diagnosis With GDS 1. BSD system defects can be quickly diagnosed with the GDS. GDS operates actuator quickly to monitor, input/output value and self diagnosis. 2. Connect the cable of GDS to the data link connector in driver side crash pad lower panel, turn the power on GDS.

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