Component Inspection

Ignition "ON" & Engine "OFF" and Using a scantool, clear the DTC
Ignition "OFF".
Disconnect the battery (-) terminal cable from the battery, and wait at least one minutes.
Disconnect WCS sensor connector.
Substitute the WCS sensor or WCS Module and check for proper operation.
Is DTC present?
YES
- Substitute a known-good SRSCM, and check for proper operation.
  If the problem is corrected, replace SRSCM and then go to "VERIFICATION OF VEHICLE REPAIR " procedure and go to "WCS Reset" procedure.
NO
- Substitute a known-good WCS Sensor or known-good seat assembly or WCS Module, and check for proper operation.
  If the problem is corrected, replace WCS Sensor or seat assembly and go to "WCS Reset" procedure.

WCS Reset

Ignition "OFF", connect scantool.
Ignition "ON" & Engine "OFF", select Weight Classification System and select "WCS Reset" mode.
You will see comments and current weight measured.
Make sure the measure weight is caused by occupant or tools or interference.
And then press "ENTER"

Fig 1: Scantool Display - Weight Classification System Reset (1 Of 8)
Courtesy of KIA MOTORS AMERICA, INC.

Fig 2: Scantool Display - Weight Classification System Reset (2 Of 8)
Courtesy of KIA MOTORS AMERICA, INC.

Fig 3: Scantool Display - Weight Classification System Reset (3 Of 8)
Courtesy of KIA MOTORS AMERICA, INC.

Fig 4: Scantool Display - Weight Classification System Reset (4 Of 8)
Courtesy of KIA MOTORS AMERICA, INC.

Specification: Approx. - 4.0 kg ~ + 4.0 kg
The 'WCS Reset' operation will take 3~10 second.
Make sure that there should not be vibration or weight adding to the passenger front seat.

Fig 5: Scantool Display - Weight Classification System Reset (5 Of 8)
Courtesy of KIA MOTORS AMERICA, INC.

Fig 6: Scantool Display - Weight Classification System Reset (6 Of 8)
Courtesy of KIA MOTORS AMERICA, INC.
If the 'WCS Reset' operation is finished successfully, you will see the following screen:

Fig 7: Scantool Display - Weight Classification System Reset (7 Of 8)
Courtesy of KIA MOTORS AMERICA, INC.

Fig 8: Scantool Display - Weight Classification System Reset (8 Of 8)
Courtesy of KIA MOTORS AMERICA, INC.
Is the displayed parameter the same as shown in Fig 8?
YES
- WCS reset is performed correctly
  Go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO
- WCS reset isn't performed correctly.
  Go to the appropriate troubleshooting procedure.