DTC B1796: Sleep Operation Failure of Occupant Classification ECU: Procedure

1. Turn the ignition switch to ON.
2. Clear the DTCs.Refer to DTC CHECK / CLEAR .

   HINT: 

   First clear DTCs stored in the occupant classification ECU and then in the center airbag sensor assembly.

3. Turn the ignition switch off, and wait for at least 2 seconds.
4. Turn the ignition switch to ON.
5. Check the DTCs.Refer to DTC CHECK / CLEAR .

   OK

   DTC B1796 is not output.

   HINT: 

   DTCs other than DTC B1796 may be output at this time, but they are not related to this check.

OK → USE SIMULATION METHOD TO CHECK 

NG: Go to next step 

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 classification ECU.Refer to COMPONENTS .

NEXT: Go to next step 

1. Connect the cable to the negative (-) battery terminal, and wait for at least 2 seconds.
2. Connect the Techstream to the DLC3.
3. Turn the ignition switch to ON.
4. Using the Techstream, perform the zero point calibration.Refer to INITIALIZATION .

   OK

   "Zero Point Calibration is complete." is displayed.

NEXT: Go to next step 

1. Using the Techstream, perform the sensitivity check.Refer to INITIALIZATION .

   Standard value 

   27 to 33 kg (59.52 to 72.75 lb)

NEXT → END