DTC B1788: Rear Occupant Classification Sensor RH Collision Detection: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to the ON position.
3. Using the Techstream, perform "Zero point calibration". Refer to INITIALIZATION .

   OK

   "Zero Point Calibration is complete." is displayed.

NG → See step   4 

OK: Go to next step 

1. Using the Techstream, perform "Sensitivity check". Refer to INITIALIZATION .

   Standard value

   27 to 33 kg (59.52 to 72.75 lb)

NG → See step   4 

OK: Go to next step 

1. Turn the ignition switch to the ON position.
2. Clear the DTCs stored in the memory. Refer to DTC CHECK / CLEAR .

   HINT: 

   First clear DTCs stored in the occupant classification ECU and then in the center airbag sensor assembly.

3. Turn the ignition switch to the LOCK position.
4. Turn the ignition switch to the ON position.
5. Check the DTCs. Refer to DTC CHECK / CLEAR .

   OK

   DTC B1788 is not output.

   HINT: 

   Codes other than DTC B1788 may be output at this time, but they are not related to this check.

OK → END 

NG: Go to next step 

1. Turn the ignition switch to the LOCK position.
2. Disconnect the negative (-) terminal cable from the battery.
3. Replace the front seat with adjuster frame assembly RH. Refer to REMOVAL .

   HINT: 

   Perform the inspection using parts from a normal vehicle if possible.

NEXT: Go to next step 

1. Connect the negative (-) terminal cable to the battery.
2. Connect the Techstream to the DLC3.
3. Turn the ignition switch to the ON position.
4. Using the Techstream, perform "Zero point calibration". Refer to INITIALIZATION .

   OK

   "Zero Point Calibration is complete." is displayed.

NG → See step   8 

OK: Go to next step 

1. Using the Techstream, perform "Sensitivity check". Refer to INITIALIZATION .

   Standard value

   27 to 33 kg (59.52 to 72.75 lb)

NG → See step   8 

OK: Go to next step 

1. Turn the ignition switch to the ON position.
2. Clear the DTCs stored in the memory. Refer to DTC CHECK / CLEAR .

   HINT: 

   First clear DTCs stored in the occupant classification ECU and then in the center airbag sensor assembly.

3. Turn the ignition switch to the LOCK position.
4. Turn the ignition switch to the ON position.
5. Check the DTCs. Refer to DTC CHECK / CLEAR .

   OK

   DTC B1788 is not output.

   HINT: 

   Codes other than DTC B1788 may be output at this time, but they are not related to this check.

OK → END 

NG: Go to next step 

1. Turn the ignition switch to the LOCK position.
2. Disconnect the negative (-) terminal cable from the battery.
3. Replace the occupant classification ECU. Refer to REMOVAL .

NEXT: Go to next step 

1. Connect the negative (-) terminal cable to the battery.
2. Connect the Techstream to the DLC3.
3. Turn the ignition switch to the ON position.
4. Using the Techstream, perform "Zero point calibration". Refer to INITIALIZATION .

   OK

   "Zero Point Calibration is complete." is displayed.

NEXT: Go to next step 

1. Using the Techstream, perform "Zero point calibration". Refer to INITIALIZATION .

   Standard value

   27 to 33 kg (59.52 to 72.75 lb)

NEXT → END