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DTC B1795: Occupant Classification ECU Malfunction: Procedure

WARNING: This page is about a different car, the 2011 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK DTC 
    1. Turn the ignition switch on (IG), and wait for at least 10 seconds.
    2. Check the DTCs. Refer to DTC CHECK / CLEAR .

      Result

      DTC B1771 and B1795 are output.

      DTC B1795 is output.

      HINT: 

      Codes other than DTC B1771 and B1795 may be output at this time, but they are not related to this check.

    A → GO TO  DTC B1771  

    B: Go to next step 

  2. REPLACE OCCUPANT CLASSIFICATION ECU 
    1. Turn the ignition switch off.
    2. Disconnect the negative (-) terminal cable from the battery.
    3. Replace the occupant classification ECU. Refer to DTC CHECK / CLEAR .

    NEXT: Go to next step 

  3. PERFORM ZERO POINT CALIBRATION 
    1. Connect the negative (-) terminal cable to the battery.
    2. Connect the Techstream to the DLC3.
    3. Turn the ignition switch on (IG).
    4. Using the Techstream, perform "Zero point calibration". Refer to INITIALIZATION .

      OK

      The "Zero Point Calibration is complete." is displayed.

    NEXT: Go to next step 

  4. PERFORM SENSITIVITY CHECK 
    1. Using the Techstream, perform "Sensitivity check". Refer to INITIALIZATION .

      Standard value

      27 to 33 kg (59.52 to 72.75 lb)

    NEXT → END