DTC B1787: Rear Occupant Classification Sensor LH Collision Detection: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch on (IG).
3. Using the Techstream, perform "Zero point calibration". Refer to INITIALIZATION .

   OK

   The "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 on (IG).
2. Clear the DTCs stored in the occupant classification ECU. Refer to DTC CHECK / CLEAR .
3. Clear the DTCs stored in the center airbag sensor assembly. Refer to DTC CHECK / CLEAR .
4. Turn the ignition switch off.
5. Turn the ignition switch on (IG).
6. Check the DTCs. Refer to DTC CHECK / CLEAR .

   OK

   DTC B1787 is not output.

   HINT: 

   Codes other than DTC B1787 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 off.
2. Disconnect the negative (-) terminal cable from the battery.
3. Replace the front seat frame with adjuster assembly RH. Refer to REMOVAL for power seat or REMOVAL for manual seat.

   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 on (IG).
4. Using the Techstream, perform "Zero point calibration". Refer to INITIALIZATION .

   OK

   The "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 on (IG).
2. Clear the DTCs stored in the occupant classification ECU. Refer to DTC CHECK / CLEAR .
3. Clear the DTCs stored in the center airbag sensor assembly. Refer to DTC CHECK / CLEAR .
4. Turn the ignition switch off.
5. Turn the ignition switch on (IG).
6. Check the DTCs. Refer to DTC CHECK / CLEAR .

   OK

   DTC B1787 is not output.

   HINT: 

   Codes other than DTC B1787 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 off.
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 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 

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

   Standard value

   27 to 33 kg (59.52 to 72.75 lb)

NEXT → END