OCCUPANT CLASSIFICATION SYSTEM, Diagnostic DTC:B1795

DESCRIPTION

DTC B1795 is stored when a malfunction is detected in the occupant detection ECU.

CAUTION / NOTICE / HINT

PROCEDURE

1. Click here

   CHECK DTC

   
   

   1. Clear the DTCs stored in the occupant detection ECU.

      Click here

      
      
      1. Body Electrical > Occupant Detection > Clear DTCs
      2. 
         
      3. 
         

   2. Clear the DTCs stored in the airbag ECU assembly.

      Click here

      
      
      1. Body Electrical > SRS Airbag > Clear DTCs
      2. 
         
      3. 
         

   3. Turn the power switch off.

   4. Turn the power switch on (IG), and wait for at least 10 seconds.

   5. Check for DTCs.

      Click here

      
      
      1. Body Electrical > Occupant Detection > Trouble Codes
      2. 
         
      3. 
         

      OK
      DTC B1795 is not output.

      Tip:

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

   6. Turn the power switch off.

      Result
      Proceed to OK NG

   
   
   • OK

     USE SIMULATION METHOD TO CHECKClick here

   • NGClick here
2. Click here

   REPLACE OCCUPANT DETECTION ECU

   
   

   1. Turn the power switch off.

   2. Disconnect the cable from the negative (-) auxiliary battery terminal.

   3. Replace the occupant detection ECU with a new one.

      Click here

   4. Connect the cable to the negative (-) auxiliary battery terminal.

      Result
      Proceed to NEXT

   
   
   • NEXTClick here
3. Click here

   PERFORM ZERO POINT CALIBRATION

   
   

   1. Using the GTS, perform Zero Point Calibration.

      Click here

      
      
      1. Body Electrical > Occupant Detection > Utility

         Tester Display
         Zero Point Calibration

      2. 
         
         1. 
            
      3. 
         
         10. 
             

      Result
      Proceed to NEXT

   
   
   • NEXT

     END (OCCUPANT DETECTION ECU WAS DEFECTIVE)