DTC B1786: Front Occupant Classification Sensor RH Collision Detection: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON.
3. Using the Techstream, perform the 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 the 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 ON.
2. Clear the DTCs.Refer to DTC CHECK / CLEAR .

   HINT: 

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

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

   OK

   DTC B1786 is not output.

   HINT: 

   DTCs other than DTC B1786 may be output at this time, but they are not related to this check.

OK → USE SIMULATION METHOD TO CHECK 

NG: Go to next step 

1. Turn the ignition switch off.
2. Disconnect the cable from the negative (-) battery terminal, and wait for at least 90 seconds.
3. Replace the front seat with adjuster frame assembly RH.Refer to COMPONENTS .

   HINT: 

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

NEXT: Go to next step 

1. Connect the cable to the negative (-) battery terminal, and wait for at least 2 seconds.
2. Connect the Techstream to the DLC3.
3. Turn the ignition switch to ON.
4. Using the Techstream, perform the 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 the 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 ON.
2. Clear the DTCs.Refer to DTC CHECK / CLEAR .

   HINT: 

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

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

   OK

   DTC B1786 is not output.

   HINT: 

   DTCs other than DTC B1786 may be output at this time, but they are not related to this check.

OK → USE SIMULATION METHOD TO CHECK 

NG: Go to next step 

1. Turn the ignition switch off.
2. Disconnect the cable from the negative (-) battery terminal, and wait for at least 90 seconds.
3. Replace the occupant classification ECU.Refer to COMPONENTS .

NEXT: Go to next step 

1. Connect the cable to the negative (-) battery terminal, and wait for at least 2 seconds.
2. Connect the Techstream to the DLC3.
3. Turn the ignition switch to ON.
4. Using the Techstream, perform the zero point calibration.Refer to INITIALIZATION .

   OK

   "Zero Point Calibration is complete." is displayed.

NEXT: Go to next step 

1. Using the Techstream, perform the sensitivity check.Refer to INITIALIZATION .

   Standard value 

   27 to 33 kg (59.52 to 72.75 lb)

NEXT → END