DTC B1796: Sleep Operation Failure of Occupant Classification ECU [08/2013 - ]: Procedure
- CHECK FOR DTC
- Turn the ignition switch to ON, and wait for at least 60 seconds.
- Clear any DTCs stored in the memory. Refer to DTC CHECK / CLEAR [08/2013 - ]
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HINT:
- First clear DTCs stored in the occupant classification ECU and then in the center airbag sensor assembly.
- Use the Techstream to clear the DTCs of the occupant classification ECU, otherwise the DTCs cannot be cleared.
- Turn the ignition switch off.
- Turn the ignition switch to ON, and wait for at least 60 seconds.
- Using the Techstream, check for DTCs of the occupant classification ECU. Refer to DTC CHECK / CLEAR [08/2013 - ]
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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.
NG → See step 2
OK → See step 5
- REPLACE OCCUPANT CLASSIFICATION ECU
- Turn the ignition switch off.
- Disconnect the cable from the negative (-) battery terminal, and wait for at least 90 seconds.
- Replace the occupant classification ECU. Refer to REMOVAL [08/2013 - ]
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HINT:
Perform the inspection using parts from a normal vehicle when possible.
NEXT: Go to next step
- PERFORM ZERO POINT CALIBRATION
- Connect the cable to the negative (-) battery terminal, and wait for at least 2 seconds.
- Connect the Techstream to the DLC3.
- Turn the ignition switch to ON, and wait for at least 60 seconds.
- Using the Techstream, perform the zero point calibration. Refer to INITIALIZATION [08/2013 - ] .
NEXT: Go to next step
- PERFORM SENSITIVITY CHECK
- Using the Techstream, perform the sensitivity check. Refer to INITIALIZATION [08/2013 - ]
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Standard range
27 to 33 kg (59.5 to 72.8 lb)
NEXT → END
- Using the Techstream, perform the sensitivity check. Refer to INITIALIZATION [08/2013 - ]
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- USE SIMULATION METHOD TO CHECK. Refer to DIAGNOSIS SYSTEM [08/2013 - ]