- Removal

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

Remove the front passenger seat assembly.

(Refer to Body - "Front Seat Assembly")

Remove the occupant classification system unit (A) after loosening the mounting screws.

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

Remove the front passenger seat assembly.

(Refer to Body - "Front Seat Assembly")

- Installation

Install the occupant classification system unit on the Front seat track assembly.

Install the front passenger seat assembly.

(Refer to Body - "Front Seat Assembly")

After installing the occupant classification system, confirm proper system operation.

Turn the ignition switch ON the SRS indicator should be turned on for about six seconds and then go off.

Telltale lamp will turn on for 4 seconds and be turned off for 3 seconds. After the 7 seconds, it shall remain off if the OCS does not require suppression and the passenger airbag is enabled.

You should perform OCS Reset procedure after service or replacement about all part of the passenger seat. (Not included full seat assembly)

Ignition "ON" & Engine "OFF", select Airbag system and "Body Sensor Reset" mode.

The GDS will show the two OCS Reset function steps.

OCS initialization.

Select product configuration.

Before the starting the OCS Rest process, cross check seat correct configuration with actual vehicle.

If you see the center console, you can find different buttons per each different seat configuration type. (Refer to the below picture)

The OCS initialization procedure will be performed.

DTC Code	Code Name	Description
B176300	ECU Defect	Reset(Calibration setting) is not completed ECU is damaged from physical stress
B176400	MAT Defect	Mat and ECU are not connected . Mat is damaged from physical stress.
B17672F	Algo cut-off	Too much humidity.
B111117	IGN voltage high	IGN voltage high.
B111216	IGN voltage low	IGN voltage low.
B160388	CAN bus off	CAN Bus is not working.
B169787	ACU communication error	CAN Bus is not working. ACU is not working.