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Home >> Toyota >> 2007 >> Camry CE, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 63 (Supplemental Restraint System - Occupant Classification System) >> Occupant Classification System >> DTC B1796: Sleep Operation Failure of Occupant Classification ECU (2006/03-2006/10) >> Inspection Procedure
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Inspection Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK DTC 
    1. Turn the power switch on (IG).
    2. Clear the DTCs stored in the occupant classification ECU (See DTC CHECK/CLEAR  ).
    3. Clear the DTCs stored in the center airbag sensor assembly (See DTC CHECK/CLEAR (2006/03-2006/10) ).
    4. Turn the power switch off, and wait for at least 10 seconds.
    5. Turn the power switch on (IG).
    6. Check the DTCs (See 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  (See DIAGNOSIS SYSTEM (2006/03-2006/10) )

    NG:  Go To Next Step

  2. REPLACE OCCUPANT CLASSIFICATION ECU 
    1. Turn the power switch off.
    2. Disconnect the negative (-) terminal cable from the battery.
    3. Replace the occupant classification ECU (See REMOVAL (2006/03-2006/10) ).
  3. PERFORM ZERO POINT CALIBRATION 
    1. Connect the negative (-) terminal cable to the battery.
    2. Connect the intelligent tester to the DLC3.
    3. Turn the power switch on (IG).
    4. Using the intelligent tester, perform "zero point calibration" (See INITIALIZATION  ).

      OK: "COMPLETED" is displayed. 

  4. PERFORM SENSITIVITY CHECK 
    1. Using the intelligent tester, perform "sensitivity check" (See INITIALIZATION  ).

      Standard value: 27 to 33 kg (59.52 to 72.75 lb) 

    NEXT: END 

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