DTC B1787: Rear Occupant Classification Sensor LH Collision Detection [12/2019 - 11/2023]: Procedure

1. Using the GTS, perform Zero Point Calibration.

   Refer to INITIALIZATION [12/2019 - 10/2021] , or refer to INITIALIZATION [10/2021 - 11/2023]

   OK

   "Zero Point Calibration is complete." is displayed.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  5

Result: 

OK 

See step  2

1. Turn the ignition switch to ON, and wait for at least 60 seconds.
2. Clear the DTCs stored in the occupant detection ECU.

   Body Electrical > Occupant Detection > Clear DTCs 

3. Clear the DTCs stored in the airbag sensor assembly.

   Body Electrical > SRS Airbag > Clear DTCs 

4. Turn the ignition switch off.
5. Turn the ignition switch to ON, and wait for at least 10 seconds.
6. Check for DTCs.

   Body Electrical > Occupant Detection > Trouble Codes 

   OK

   DTC B1787 is not output.

   HINT: 

   Codes other than DTC B1787 may be output at this time, but they are not related to this check.

7. Turn the ignition switch off.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

END 

Result: 

NG 

See step  3

1. Turn the ignition switch off.
2. Disconnect the cable from the negative (-) auxiliary battery terminal.
3. Replace the separate type front seat cushion spring assembly RH.

   for Manual Seat: Refer to REMOVAL [12/2019 - 10/2022] , or refer to REMOVAL [10/2022 - 11/2023]

   for Power Seat: Refer to REMOVAL [12/2019 - 10/2021] , or refer to REMOVAL [10/2021 - 10/2022] , or refer to REMOVAL [10/2022 - 11/2023]

4. Connect the cable to the negative (-) auxiliary battery terminal.

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  4

1. Using the GTS, perform Zero Point Calibration.

   Refer to INITIALIZATION [12/2019 - 10/2021] , or refer to INITIALIZATION [10/2021 - 11/2023]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

END 

1. Turn the ignition switch off.
2. Disconnect the cable from the negative (-) auxiliary battery terminal.
3. Replace the separate type front seat cushion spring assembly RH.

   for Manual Seat: Refer to REMOVAL [12/2019 - 10/2022] , or refer to REMOVAL [10/2022 - 11/2023]

   for Power Seat: Refer to REMOVAL [12/2019 - 10/2021] , or refer to REMOVAL [10/2021 - 10/2022] , or refer to REMOVAL [10/2022 - 11/2023]

4. Connect the cable to the negative (-) auxiliary battery terminal.

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  6

1. Using the GTS, perform Zero Point Calibration.

   Refer to INITIALIZATION [12/2019 - 10/2021] , or refer to INITIALIZATION [10/2021 - 11/2023]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

END