DTC B1796: Sleep Operation Failure of Occupant Classification ECU (TO 12/2010): Procedure
- CHECK DTC
- Turn the ignition switch on (IG).
- Clear the DTCs stored in the occupant classification ECU. Refer to DTC CHECK / CLEAR .
- Clear the DTCs stored in the center airbag sensor assembly. Refer to DTC CHECK / CLEAR .
- Turn the ignition switch off, and wait for at least 10 seconds.
- Turn the ignition switch on (IG).
- Check the DTCs. Refer to DTC CHECK / CLEAR
.
OK
DTC B1796 is not output.
HINT:
Codes 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
- REPLACE OCCUPANT CLASSIFICATION ECU
- Turn the ignition switch off.
- Disconnect the negative (-) terminal cable from the battery.
- Replace the occupant classification ECU. Refer to REMOVAL .
NEXT: Go to next step
- PERFORM ZERO POINT CALIBRATION
- Connect the negative (-) terminal cable to the battery.
- Connect the Techstream to the DLC3.
- Turn the ignition switch on (IG).
- Using the Techstream, perform "Zero point calibration". Refer to INITIALIZATION
.
OK
The "Zero Point Calibration is complete." is displayed.
NEXT: Go to next step
- PERFORM SENSITIVITY CHECK
- Using the Techstream, perform "Sensitivity check". Refer to INITIALIZATION
.
Standard value
27 to 33 kg (59.52 to 72.75 lb)
NEXT → END
- Using the Techstream, perform "Sensitivity check". Refer to INITIALIZATION
.