Component Inspection

B1322 WCS (Weight Classification System) ECU Defect

Inspection/Repair - Component Inspection

Component Inspection

1. Ignition "ON" & Engine "OFF" and Using a scan tool, clear the DTC
2. Ignition "OFF".
3. Disconnect the battery (-) terminal cable from the battery, and wait at least one minutes.
4. Disconnect WCS sensor connector.
5. Substitute the WCS sensor or WCS Module and check for proper operation.
6. Is DTC present problem?





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




Fig 1) Select System




Fig 2) Weight Classification System Select




Fig 3) Weight Classification System Reset




Fig 4) EMPTY Data

Specification :Approx. - 4.0 kg ~ + 4.0 kg

6. The 'WCS Reset' operation will take 3 - 10 second.
7. Make sure that there should not be vibration or weight adding to the passenger front seat.




Fig 5) Weight Classification System Reset




Fig 6) Weight Classification System Reset
8. If the 'WCS Reset' operation is finished successfully, you will see the following screen.




Fig 7) Normal Data




Fig 8) Current Data

Specification :Approx. - 4.0 kg ~ + 4.0 kg

9. Is the displayed parameter the same as the above 7 figure?