DTC B1795: Occupant Classification ECU Malfunction [11/2018 - 02/2019]: Procedure

1. Clear the DTCs stored in the occupant detection ECU.

   Refer to DTC CHECK / CLEAR [11/2018 - ]

   Body Electrical > Occupant Detection > Clear DTCs 

2. Clear the DTCs stored in the airbag ECU assembly.

   Refer to DTC CHECK / CLEAR [11/2018 - ]

   Body Electrical > SRS Airbag > Clear DTCs 

3. Turn the ignition switch off.
4. Turn the ignition switch to ON, and wait for at least 60 seconds.
5. Check the DTCs stored in the occupant detection ECU.

   Refer to DTC CHECK / CLEAR [11/2018 - ]

   Body Electrical > Occupant Detection > Trouble Codes 

   Result

   Proceed to
   DTC B1795 is output.
   DTC B1795 is not output.

   HINT: 

   Codes other than DTC B1795 may be output at this time, but they are not related to this check.

Result: 

DTC B1795 is not output. 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2018 - ] 

Result: 

DTC B1795 is output. 

See step  2

1. Turn the ignition switch off.
2. Disconnect the cable from the negative (-) battery terminal, and wait for at least 90 seconds.
3. Replace the occupant detection ECU with a new one.

   Refer to REMOVAL [11/2018 - 02/2019]

4. Connect the cable to the negative (-) battery terminal, and wait for at least 2 seconds.

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  3

1. Using the Techstream, perform "Zero Point Calibration".

   Refer to INITIALIZATION [11/2018 - ]

   Body Electrical > Occupant Detection > Utility 

   Tester Display
   Zero Point Calibration

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  4

1. Clear the DTCs stored in the occupant detection ECU.

   Refer to DTC CHECK / CLEAR [11/2018 - ]

   Body Electrical > Occupant Detection > Clear DTCs 

2. Clear the DTCs stored in the airbag ECU assembly.

   Refer to DTC CHECK / CLEAR [11/2018 - ]

   Body Electrical > SRS Airbag > Clear DTCs 

3. Turn the ignition switch off.
4. Turn the ignition switch to ON, and wait for at least 60 seconds.
5. Check the DTCs stored in the occupant detection ECU.

   Refer to DTC CHECK / CLEAR [11/2018 - ]

   Body Electrical > Occupant Detection > Trouble Codes 

   Result

   Proceed to
   DTC B1795 is output.
   DTC B1795 is not output.

   HINT: 

   Codes other than DTC B1795 may be output at this time, but they are not related to this check.

Result: 

DTC B1795 is not output. 

END (OCCUPANT DETECTION ECU WAS DEFECTIVE) 

Result: 

DTC B1795 is output. 

See step  5

1. Turn the ignition switch off.
2. Disconnect the cable from the negative (-) battery terminal, and wait for at least 90 seconds.
3. Replace the front seat adjuster assembly RH with a new one.

   Refer to DISASSEMBLY [11/2018 - 08/2020]

4. Connect the cable to the negative (-) battery terminal, and wait for at least 2 seconds.

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  6

1. Using the Techstream, perform "Zero Point Calibration".

   Refer to INITIALIZATION [11/2018 - ]

   Body Electrical > Occupant Detection > Utility 

   Tester Display
   Zero Point Calibration

   Result

   Proceed to
   NEXT

Result: 

NEXT 

END (FRONT SEAT ADJUSTER ASSEMBLY RH WAS DEFECTIVE)